diff --git a/Documentation/powerpc/transactional_memory.txt b/Documentation/powerpc/transactional_memory.txt index c907be4..dc23e58 100644 --- a/Documentation/powerpc/transactional_memory.txt +++ b/Documentation/powerpc/transactional_memory.txt @@ -147,6 +147,25 @@ Example signal handler: fix_the_problem(ucp->dar); } +When in an active transaction that takes a signal, we need to be careful with +the stack. It's possible that the stack has moved back up after the tbegin. +The obvious case here is when the tbegin is called inside a function that +returns before a tend. In this case, the stack is part of the checkpointed +transactional memory state. If we write over this non transactionally or in +suspend, we are in trouble because if we get a tm abort, the program counter and +stack pointer will be back at the tbegin but our in memory stack won't be valid +anymore. + +To avoid this, when taking a signal in an active transaction, we need to use +the stack pointer from the checkpointed state, rather than the speculated +state. This ensures that the signal context (written tm suspended) will be +written below the stack required for the rollback. The transaction is aborted +becuase of the treclaim, so any memory written between the tbegin and the +signal will be rolled back anyway. + +For signals taken in non-TM or suspended mode, we use the +normal/non-checkpointed stack pointer. + Failure cause codes used by kernel ================================== @@ -155,14 +174,18 @@ These are defined in , and distinguish different reasons why the kernel aborted a transaction: TM_CAUSE_RESCHED Thread was rescheduled. + TM_CAUSE_TLBI Software TLB invalide. TM_CAUSE_FAC_UNAV FP/VEC/VSX unavailable trap. TM_CAUSE_SYSCALL Currently unused; future syscalls that must abort transactions for consistency will use this. TM_CAUSE_SIGNAL Signal delivered. TM_CAUSE_MISC Currently unused. + TM_CAUSE_ALIGNMENT Alignment fault. + TM_CAUSE_EMULATE Emulation that touched memory. -These can be checked by the user program's abort handler as TEXASR[0:7]. - +These can be checked by the user program's abort handler as TEXASR[0:7]. If +bit 7 is set, it indicates that the error is consider persistent. For example +a TM_CAUSE_ALIGNMENT will be persistent while a TM_CAUSE_RESCHED will not.q GDB === diff --git a/arch/arc/include/asm/pgtable.h b/arch/arc/include/asm/pgtable.h index b7e3668..8ca472c 100644 --- a/arch/arc/include/asm/pgtable.h +++ b/arch/arc/include/asm/pgtable.h @@ -57,9 +57,9 @@ #define _PAGE_ACCESSED (1<<1) /* Page is accessed (S) */ #define _PAGE_CACHEABLE (1<<2) /* Page is cached (H) */ -#define _PAGE_EXECUTE (1<<3) /* Page has user execute perm (H) */ -#define _PAGE_WRITE (1<<4) /* Page has user write perm (H) */ -#define _PAGE_READ (1<<5) /* Page has user read perm (H) */ +#define _PAGE_U_EXECUTE (1<<3) /* Page has user execute perm (H) */ +#define _PAGE_U_WRITE (1<<4) /* Page has user write perm (H) */ +#define _PAGE_U_READ (1<<5) /* Page has user read perm (H) */ #define _PAGE_K_EXECUTE (1<<6) /* Page has kernel execute perm (H) */ #define _PAGE_K_WRITE (1<<7) /* Page has kernel write perm (H) */ #define _PAGE_K_READ (1<<8) /* Page has kernel perm (H) */ @@ -72,9 +72,9 @@ /* PD1 */ #define _PAGE_CACHEABLE (1<<0) /* Page is cached (H) */ -#define _PAGE_EXECUTE (1<<1) /* Page has user execute perm (H) */ -#define _PAGE_WRITE (1<<2) /* Page has user write perm (H) */ -#define _PAGE_READ (1<<3) /* Page has user read perm (H) */ +#define _PAGE_U_EXECUTE (1<<1) /* Page has user execute perm (H) */ +#define _PAGE_U_WRITE (1<<2) /* Page has user write perm (H) */ +#define _PAGE_U_READ (1<<3) /* Page has user read perm (H) */ #define _PAGE_K_EXECUTE (1<<4) /* Page has kernel execute perm (H) */ #define _PAGE_K_WRITE (1<<5) /* Page has kernel write perm (H) */ #define _PAGE_K_READ (1<<6) /* Page has kernel perm (H) */ @@ -93,7 +93,8 @@ #endif /* Kernel allowed all permissions for all pages */ -#define _K_PAGE_PERMS (_PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ) +#define _K_PAGE_PERMS (_PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ | \ + _PAGE_GLOBAL | _PAGE_PRESENT) #ifdef CONFIG_ARC_CACHE_PAGES #define _PAGE_DEF_CACHEABLE _PAGE_CACHEABLE @@ -106,7 +107,11 @@ * -by default cached, unless config otherwise * -present in memory */ -#define ___DEF (_PAGE_PRESENT | _K_PAGE_PERMS | _PAGE_DEF_CACHEABLE) +#define ___DEF (_PAGE_PRESENT | _PAGE_DEF_CACHEABLE) + +#define _PAGE_READ (_PAGE_U_READ | _PAGE_K_READ) +#define _PAGE_WRITE (_PAGE_U_WRITE | _PAGE_K_WRITE) +#define _PAGE_EXECUTE (_PAGE_U_EXECUTE | _PAGE_K_EXECUTE) /* Set of bits not changed in pte_modify */ #define _PAGE_CHG_MASK (PAGE_MASK | _PAGE_ACCESSED | _PAGE_MODIFIED) @@ -125,11 +130,10 @@ * kernel vaddr space - visible in all addr spaces, but kernel mode only * Thus Global, all-kernel-access, no-user-access, cached */ -#define PAGE_KERNEL __pgprot(___DEF | _PAGE_GLOBAL) +#define PAGE_KERNEL __pgprot(_K_PAGE_PERMS | _PAGE_DEF_CACHEABLE) /* ioremap */ -#define PAGE_KERNEL_NO_CACHE __pgprot(_PAGE_PRESENT | _K_PAGE_PERMS | \ - _PAGE_GLOBAL) +#define PAGE_KERNEL_NO_CACHE __pgprot(_K_PAGE_PERMS) /************************************************************************** * Mapping of vm_flags (Generic VM) to PTE flags (arch specific) diff --git a/arch/arc/include/asm/tlb.h b/arch/arc/include/asm/tlb.h index 3eb2ce0..5e0ee30 100644 --- a/arch/arc/include/asm/tlb.h +++ b/arch/arc/include/asm/tlb.h @@ -16,7 +16,7 @@ /* Masks for actual TLB "PD"s */ #define PTE_BITS_IN_PD0 (_PAGE_GLOBAL | _PAGE_PRESENT) #define PTE_BITS_IN_PD1 (PAGE_MASK | _PAGE_CACHEABLE | \ - _PAGE_EXECUTE | _PAGE_WRITE | _PAGE_READ | \ + _PAGE_U_EXECUTE | _PAGE_U_WRITE | _PAGE_U_READ | \ _PAGE_K_EXECUTE | _PAGE_K_WRITE | _PAGE_K_READ) #ifndef __ASSEMBLY__ diff --git a/arch/arc/mm/tlbex.S b/arch/arc/mm/tlbex.S index 9df765d..3357d26 100644 --- a/arch/arc/mm/tlbex.S +++ b/arch/arc/mm/tlbex.S @@ -277,7 +277,7 @@ ARC_ENTRY EV_TLBMissI ;---------------------------------------------------------------- ; VERIFY_PTE: Check if PTE permissions approp for executing code cmp_s r2, VMALLOC_START - mov.lo r2, (_PAGE_PRESENT | _PAGE_READ | _PAGE_EXECUTE) + mov.lo r2, (_PAGE_PRESENT | _PAGE_U_READ | _PAGE_U_EXECUTE) mov.hs r2, (_PAGE_PRESENT | _PAGE_K_READ | _PAGE_K_EXECUTE) and r3, r0, r2 ; Mask out NON Flag bits from PTE @@ -320,9 +320,9 @@ ARC_ENTRY EV_TLBMissD mov_s r2, 0 lr r3, [ecr] btst_s r3, ECR_C_BIT_DTLB_LD_MISS ; Read Access - or.nz r2, r2, _PAGE_READ ; chk for Read flag in PTE + or.nz r2, r2, _PAGE_U_READ ; chk for Read flag in PTE btst_s r3, ECR_C_BIT_DTLB_ST_MISS ; Write Access - or.nz r2, r2, _PAGE_WRITE ; chk for Write flag in PTE + or.nz r2, r2, _PAGE_U_WRITE ; chk for Write flag in PTE ; Above laddering takes care of XCHG access ; which is both Read and Write diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index 02b70a4..755a61e 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -264,7 +264,7 @@ atmel,pins = <0 10 0x2 0x0 /* PA10 periph B */ 0 11 0x2 0x0 /* PA11 periph B */ - 0 24 0x2 0x0 /* PA24 periph B */ + 0 22 0x2 0x0 /* PA22 periph B */ 0 25 0x2 0x0 /* PA25 periph B */ 0 26 0x2 0x0 /* PA26 periph B */ 0 27 0x2 0x0 /* PA27 periph B */ diff --git a/arch/arm/boot/dts/at91sam9x25ek.dts b/arch/arm/boot/dts/at91sam9x25ek.dts index af907ea..80015b0 100644 --- a/arch/arm/boot/dts/at91sam9x25ek.dts +++ b/arch/arm/boot/dts/at91sam9x25ek.dts @@ -11,6 +11,6 @@ /include/ "at91sam9x5ek.dtsi" / { - model = "Atmel AT91SAM9G25-EK"; + model = "Atmel AT91SAM9X25-EK"; compatible = "atmel,at91sam9x25ek", "atmel,at91sam9x5ek", "atmel,at91sam9x5", "atmel,at91sam9"; }; diff --git a/arch/arm/crypto/sha1-armv4-large.S b/arch/arm/crypto/sha1-armv4-large.S index 92c6eed..99207c4 100644 --- a/arch/arm/crypto/sha1-armv4-large.S +++ b/arch/arm/crypto/sha1-armv4-large.S @@ -195,6 +195,7 @@ ENTRY(sha1_block_data_order) add r3,r3,r10 @ E+=F_00_19(B,C,D) cmp r14,sp bne .L_00_15 @ [((11+4)*5+2)*3] + sub sp,sp,#25*4 #if __ARM_ARCH__<7 ldrb r10,[r1,#2] ldrb r9,[r1,#3] @@ -290,7 +291,6 @@ ENTRY(sha1_block_data_order) add r3,r3,r10 @ E+=F_00_19(B,C,D) ldr r8,.LK_20_39 @ [+15+16*4] - sub sp,sp,#25*4 cmn sp,#0 @ [+3], clear carry to denote 20_39 .L_20_39_or_60_79: ldr r9,[r14,#15*4] diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c index 2acdff4..180b302 100644 --- a/arch/arm/mach-at91/at91rm9200_time.c +++ b/arch/arm/mach-at91/at91rm9200_time.c @@ -174,6 +174,7 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev) static struct clock_event_device clkevt = { .name = "at91_tick", .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, + .shift = 32, .rating = 150, .set_next_event = clkevt32k_next_event, .set_mode = clkevt32k_mode, @@ -264,9 +265,11 @@ void __init at91rm9200_timer_init(void) at91_st_write(AT91_ST_RTMR, 1); /* Setup timer clockevent, with minimum of two ticks (important!!) */ + clkevt.mult = div_sc(AT91_SLOW_CLOCK, NSEC_PER_SEC, clkevt.shift); + clkevt.max_delta_ns = clockevent_delta2ns(AT91_ST_ALMV, &clkevt); + clkevt.min_delta_ns = clockevent_delta2ns(2, &clkevt) + 1; clkevt.cpumask = cpumask_of(0); - clockevents_config_and_register(&clkevt, AT91_SLOW_CLOCK, - 2, AT91_ST_ALMV); + clockevents_register_device(&clkevt); /* register clocksource */ clocksource_register_hz(&clk32k, AT91_SLOW_CLOCK); diff --git a/arch/arm/mach-kirkwood/ts219-setup.c b/arch/arm/mach-kirkwood/ts219-setup.c index 283abff..e1267d6 100644 --- a/arch/arm/mach-kirkwood/ts219-setup.c +++ b/arch/arm/mach-kirkwood/ts219-setup.c @@ -124,7 +124,7 @@ static void __init qnap_ts219_init(void) static int __init ts219_pci_init(void) { if (machine_is_ts219()) - kirkwood_pcie_init(KW_PCIE0); + kirkwood_pcie_init(KW_PCIE1 | KW_PCIE0); return 0; } diff --git a/arch/arm/mach-omap2/cclock33xx_data.c b/arch/arm/mach-omap2/cclock33xx_data.c index 476b820..8327721 100644 --- a/arch/arm/mach-omap2/cclock33xx_data.c +++ b/arch/arm/mach-omap2/cclock33xx_data.c @@ -446,9 +446,29 @@ DEFINE_CLK_GATE(cefuse_fck, "sys_clkin_ck", &sys_clkin_ck, 0x0, */ DEFINE_CLK_FIXED_FACTOR(clkdiv32k_ck, "clk_24mhz", &clk_24mhz, 0x0, 1, 732); -DEFINE_CLK_GATE(clkdiv32k_ick, "clkdiv32k_ck", &clkdiv32k_ck, 0x0, - AM33XX_CM_PER_CLKDIV32K_CLKCTRL, AM33XX_MODULEMODE_SWCTRL_SHIFT, - 0x0, NULL); +static struct clk clkdiv32k_ick; + +static const char *clkdiv32k_ick_parent_names[] = { + "clkdiv32k_ck", +}; + +static const struct clk_ops clkdiv32k_ick_ops = { + .enable = &omap2_dflt_clk_enable, + .disable = &omap2_dflt_clk_disable, + .is_enabled = &omap2_dflt_clk_is_enabled, + .init = &omap2_init_clk_clkdm, +}; + +static struct clk_hw_omap clkdiv32k_ick_hw = { + .hw = { + .clk = &clkdiv32k_ick, + }, + .enable_reg = AM33XX_CM_PER_CLKDIV32K_CLKCTRL, + .enable_bit = AM33XX_MODULEMODE_SWCTRL_SHIFT, + .clkdm_name = "clk_24mhz_clkdm", +}; + +DEFINE_STRUCT_CLK(clkdiv32k_ick, clkdiv32k_ick_parent_names, clkdiv32k_ick_ops); /* "usbotg_fck" is an additional clock and not really a modulemode */ DEFINE_CLK_GATE(usbotg_fck, "dpll_per_ck", &dpll_per_ck, 0x0, diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index a202a47..3a750de 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -2066,7 +2066,7 @@ static int _omap4_get_context_lost(struct omap_hwmod *oh) * do so is present in the hwmod data, then call it and pass along the * return value; otherwise, return 0. */ -static int __init _enable_preprogram(struct omap_hwmod *oh) +static int _enable_preprogram(struct omap_hwmod *oh) { if (!oh->class->enable_preprogram) return 0; diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c index 2d4b641..7bb9619 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c @@ -373,7 +373,7 @@ static struct resource orion_ge10_shared_resources[] = { static struct platform_device orion_ge10_shared = { .name = MV643XX_ETH_SHARED_NAME, - .id = 1, + .id = 2, .dev = { .platform_data = &orion_ge10_shared_data, }, @@ -388,8 +388,8 @@ static struct resource orion_ge10_resources[] = { static struct platform_device orion_ge10 = { .name = MV643XX_ETH_NAME, - .id = 1, - .num_resources = 2, + .id = 2, + .num_resources = 1, .resource = orion_ge10_resources, .dev = { .coherent_dma_mask = DMA_BIT_MASK(32), @@ -425,7 +425,7 @@ static struct resource orion_ge11_shared_resources[] = { static struct platform_device orion_ge11_shared = { .name = MV643XX_ETH_SHARED_NAME, - .id = 1, + .id = 3, .dev = { .platform_data = &orion_ge11_shared_data, }, @@ -440,8 +440,8 @@ static struct resource orion_ge11_resources[] = { static struct platform_device orion_ge11 = { .name = MV643XX_ETH_NAME, - .id = 1, - .num_resources = 2, + .id = 3, + .num_resources = 1, .resource = orion_ge11_resources, .dev = { .coherent_dma_mask = DMA_BIT_MASK(32), diff --git a/arch/arm/plat-samsung/setup-mipiphy.c b/arch/arm/plat-samsung/setup-mipiphy.c index 1474593..66df315 100644 --- a/arch/arm/plat-samsung/setup-mipiphy.c +++ b/arch/arm/plat-samsung/setup-mipiphy.c @@ -8,6 +8,7 @@ * published by the Free Software Foundation. */ +#include #include #include #include @@ -50,8 +51,10 @@ int s5p_csis_phy_enable(int id, bool on) { return __s5p_mipi_phy_control(id, on, S5P_MIPI_DPHY_SRESETN); } +EXPORT_SYMBOL(s5p_csis_phy_enable); int s5p_dsim_phy_enable(struct platform_device *pdev, bool on) { return __s5p_mipi_phy_control(pdev->id, on, S5P_MIPI_DPHY_MRESETN); } +EXPORT_SYMBOL(s5p_dsim_phy_enable); diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index b3c5f62..671136e 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -317,14 +317,20 @@ asmlinkage long do_ni_syscall(struct pt_regs *regs) */ asmlinkage void bad_mode(struct pt_regs *regs, int reason, unsigned int esr) { + siginfo_t info; + void __user *pc = (void __user *)instruction_pointer(regs); console_verbose(); pr_crit("Bad mode in %s handler detected, code 0x%08x\n", handler[reason], esr); + __show_regs(regs); + + info.si_signo = SIGILL; + info.si_errno = 0; + info.si_code = ILL_ILLOPC; + info.si_addr = pc; - die("Oops - bad mode", regs, 0); - local_irq_disable(); - panic("bad mode"); + arm64_notify_die("Oops - bad mode", regs, &info, 0); } void __pte_error(const char *file, int line, unsigned long val) diff --git a/arch/avr32/kernel/module.c b/arch/avr32/kernel/module.c index 596f730..2c94129 100644 --- a/arch/avr32/kernel/module.c +++ b/arch/avr32/kernel/module.c @@ -264,7 +264,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab, break; case R_AVR32_GOT18SW: if ((relocation & 0xfffe0003) != 0 - && (relocation & 0xfffc0003) != 0xffff0000) + && (relocation & 0xfffc0000) != 0xfffc0000) return reloc_overflow(module, "R_AVR32_GOT18SW", relocation); relocation >>= 2; diff --git a/arch/m68k/kernel/head.S b/arch/m68k/kernel/head.S index d197e7f..ac85f16 100644 --- a/arch/m68k/kernel/head.S +++ b/arch/m68k/kernel/head.S @@ -2752,11 +2752,9 @@ func_return get_new_page #ifdef CONFIG_MAC L(scc_initable_mac): - .byte 9,12 /* Reset */ .byte 4,0x44 /* x16, 1 stopbit, no parity */ .byte 3,0xc0 /* receiver: 8 bpc */ .byte 5,0xe2 /* transmitter: 8 bpc, assert dtr/rts */ - .byte 9,0 /* no interrupts */ .byte 10,0 /* NRZ */ .byte 11,0x50 /* use baud rate generator */ .byte 12,1,13,0 /* 38400 baud */ @@ -2899,6 +2897,7 @@ func_start serial_init,%d0/%d1/%a0/%a1 is_not_mac(L(serial_init_not_mac)) #ifdef SERIAL_DEBUG + /* You may define either or both of these. */ #define MAC_USE_SCC_A /* Modem port */ #define MAC_USE_SCC_B /* Printer port */ @@ -2908,9 +2907,21 @@ func_start serial_init,%d0/%d1/%a0/%a1 #define mac_scc_cha_b_data_offset 0x4 #define mac_scc_cha_a_data_offset 0x6 +#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B) + movel %pc@(L(mac_sccbase)),%a0 + /* Reset SCC device */ + moveb #9,%a0@(mac_scc_cha_a_ctrl_offset) + moveb #0xc0,%a0@(mac_scc_cha_a_ctrl_offset) + /* Wait for 5 PCLK cycles, which is about 68 CPU cycles */ + /* 5 / 3.6864 MHz = approx. 1.36 us = 68 / 50 MHz */ + movel #35,%d0 +5: + subq #1,%d0 + jne 5b +#endif + #ifdef MAC_USE_SCC_A /* Initialize channel A */ - movel %pc@(L(mac_sccbase)),%a0 lea %pc@(L(scc_initable_mac)),%a1 5: moveb %a1@+,%d0 jmi 6f @@ -2922,9 +2933,6 @@ func_start serial_init,%d0/%d1/%a0/%a1 #ifdef MAC_USE_SCC_B /* Initialize channel B */ -#ifndef MAC_USE_SCC_A /* Load mac_sccbase only if needed */ - movel %pc@(L(mac_sccbase)),%a0 -#endif /* MAC_USE_SCC_A */ lea %pc@(L(scc_initable_mac)),%a1 7: moveb %a1@+,%d0 jmi 8f @@ -2933,6 +2941,7 @@ func_start serial_init,%d0/%d1/%a0/%a1 jra 7b 8: #endif /* MAC_USE_SCC_B */ + #endif /* SERIAL_DEBUG */ jra L(serial_init_done) @@ -3006,17 +3015,17 @@ func_start serial_putc,%d0/%d1/%a0/%a1 #ifdef SERIAL_DEBUG -#ifdef MAC_USE_SCC_A +#if defined(MAC_USE_SCC_A) || defined(MAC_USE_SCC_B) movel %pc@(L(mac_sccbase)),%a1 +#endif + +#ifdef MAC_USE_SCC_A 3: btst #2,%a1@(mac_scc_cha_a_ctrl_offset) jeq 3b moveb %d0,%a1@(mac_scc_cha_a_data_offset) #endif /* MAC_USE_SCC_A */ #ifdef MAC_USE_SCC_B -#ifndef MAC_USE_SCC_A /* Load mac_sccbase only if needed */ - movel %pc@(L(mac_sccbase)),%a1 -#endif /* MAC_USE_SCC_A */ 4: btst #2,%a1@(mac_scc_cha_b_ctrl_offset) jeq 4b moveb %d0,%a1@(mac_scc_cha_b_data_offset) diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index 7ff9eaa..a7b42ca 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -407,21 +407,16 @@ static inline void prefetchw(const void *x) #endif #ifdef CONFIG_PPC64 -static inline unsigned long get_clean_sp(struct pt_regs *regs, int is_32) +static inline unsigned long get_clean_sp(unsigned long sp, int is_32) { - unsigned long sp; - if (is_32) - sp = regs->gpr[1] & 0x0ffffffffUL; - else - sp = regs->gpr[1]; - + return sp & 0x0ffffffffUL; return sp; } #else -static inline unsigned long get_clean_sp(struct pt_regs *regs, int is_32) +static inline unsigned long get_clean_sp(unsigned long sp, int is_32) { - return regs->gpr[1]; + return sp; } #endif diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index c9c67fc..3b097a8 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -111,17 +111,6 @@ #define MSR_TM_TRANSACTIONAL(x) (((x) & MSR_TS_MASK) == MSR_TS_T) #define MSR_TM_SUSPENDED(x) (((x) & MSR_TS_MASK) == MSR_TS_S) -/* Reason codes describing kernel causes for transaction aborts. By - convention, bit0 is copied to TEXASR[56] (IBM bit 7) which is set if - the failure is persistent. -*/ -#define TM_CAUSE_RESCHED 0xfe -#define TM_CAUSE_TLBI 0xfc -#define TM_CAUSE_FAC_UNAV 0xfa -#define TM_CAUSE_SYSCALL 0xf9 /* Persistent */ -#define TM_CAUSE_MISC 0xf6 -#define TM_CAUSE_SIGNAL 0xf4 - #if defined(CONFIG_PPC_BOOK3S_64) #define MSR_64BIT MSR_SF diff --git a/arch/powerpc/include/asm/signal.h b/arch/powerpc/include/asm/signal.h index fbe66c4..9322c28 100644 --- a/arch/powerpc/include/asm/signal.h +++ b/arch/powerpc/include/asm/signal.h @@ -3,5 +3,8 @@ #define __ARCH_HAS_SA_RESTORER #include +#include + +extern unsigned long get_tm_stackpointer(struct pt_regs *regs); #endif /* _ASM_POWERPC_SIGNAL_H */ diff --git a/arch/powerpc/include/asm/tm.h b/arch/powerpc/include/asm/tm.h index 4b4449a..9dfbc34 100644 --- a/arch/powerpc/include/asm/tm.h +++ b/arch/powerpc/include/asm/tm.h @@ -5,6 +5,8 @@ * Copyright 2012 Matt Evans & Michael Neuling, IBM Corporation. */ +#include + #ifdef CONFIG_PPC_TRANSACTIONAL_MEM extern void do_load_up_transact_fpu(struct thread_struct *thread); extern void do_load_up_transact_altivec(struct thread_struct *thread); diff --git a/arch/powerpc/include/uapi/asm/Kbuild b/arch/powerpc/include/uapi/asm/Kbuild index f7bca63..5182c86 100644 --- a/arch/powerpc/include/uapi/asm/Kbuild +++ b/arch/powerpc/include/uapi/asm/Kbuild @@ -40,6 +40,7 @@ header-y += statfs.h header-y += swab.h header-y += termbits.h header-y += termios.h +header-y += tm.h header-y += types.h header-y += ucontext.h header-y += unistd.h diff --git a/arch/powerpc/include/uapi/asm/tm.h b/arch/powerpc/include/uapi/asm/tm.h new file mode 100644 index 0000000..85059a0 --- /dev/null +++ b/arch/powerpc/include/uapi/asm/tm.h @@ -0,0 +1,18 @@ +#ifndef _ASM_POWERPC_TM_H +#define _ASM_POWERPC_TM_H + +/* Reason codes describing kernel causes for transaction aborts. By + * convention, bit0 is copied to TEXASR[56] (IBM bit 7) which is set if + * the failure is persistent. PAPR saves 0xff-0xe0 for the hypervisor. + */ +#define TM_CAUSE_PERSISTENT 0x01 +#define TM_CAUSE_RESCHED 0xde +#define TM_CAUSE_TLBI 0xdc +#define TM_CAUSE_FAC_UNAV 0xda +#define TM_CAUSE_SYSCALL 0xd8 /* future use */ +#define TM_CAUSE_MISC 0xd6 /* future use */ +#define TM_CAUSE_SIGNAL 0xd4 +#define TM_CAUSE_ALIGNMENT 0xd2 +#define TM_CAUSE_EMULATE 0xd0 + +#endif diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index e514de5..4498467 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -851,7 +851,7 @@ resume_kernel: /* check current_thread_info, _TIF_EMULATE_STACK_STORE */ CURRENT_THREAD_INFO(r9, r1) lwz r8,TI_FLAGS(r9) - andis. r8,r8,_TIF_EMULATE_STACK_STORE@h + andis. r0,r8,_TIF_EMULATE_STACK_STORE@h beq+ 1f addi r8,r1,INT_FRAME_SIZE /* Get the kprobed function entry */ diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c index cf12eae..78760b8 100644 --- a/arch/powerpc/kernel/signal.c +++ b/arch/powerpc/kernel/signal.c @@ -17,6 +17,7 @@ #include #include #include +#include #include "signal.h" @@ -29,13 +30,13 @@ int show_unhandled_signals = 0; /* * Allocate space for the signal frame */ -void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, +void __user * get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size, int is_32) { unsigned long oldsp, newsp; /* Default to using normal stack */ - oldsp = get_clean_sp(regs, is_32); + oldsp = get_clean_sp(sp, is_32); /* Check for alt stack */ if ((ka->sa.sa_flags & SA_ONSTACK) && @@ -170,3 +171,38 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) tracehook_notify_resume(regs); } } + +unsigned long get_tm_stackpointer(struct pt_regs *regs) +{ + /* When in an active transaction that takes a signal, we need to be + * careful with the stack. It's possible that the stack has moved back + * up after the tbegin. The obvious case here is when the tbegin is + * called inside a function that returns before a tend. In this case, + * the stack is part of the checkpointed transactional memory state. + * If we write over this non transactionally or in suspend, we are in + * trouble because if we get a tm abort, the program counter and stack + * pointer will be back at the tbegin but our in memory stack won't be + * valid anymore. + * + * To avoid this, when taking a signal in an active transaction, we + * need to use the stack pointer from the checkpointed state, rather + * than the speculated state. This ensures that the signal context + * (written tm suspended) will be written below the stack required for + * the rollback. The transaction is aborted becuase of the treclaim, + * so any memory written between the tbegin and the signal will be + * rolled back anyway. + * + * For signals taken in non-TM or suspended mode, we use the + * normal/non-checkpointed stack pointer. + */ + +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM + if (MSR_TM_ACTIVE(regs->msr)) { + tm_enable(); + tm_reclaim(¤t->thread, regs->msr, TM_CAUSE_SIGNAL); + if (MSR_TM_TRANSACTIONAL(regs->msr)) + return current->thread.ckpt_regs.gpr[1]; + } +#endif + return regs->gpr[1]; +} diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h index ec84c90..c69b9ae 100644 --- a/arch/powerpc/kernel/signal.h +++ b/arch/powerpc/kernel/signal.h @@ -12,7 +12,7 @@ extern void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags); -extern void __user * get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, +extern void __user * get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size, int is_32); extern int handle_signal32(unsigned long sig, struct k_sigaction *ka, diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 95068bf..201385c 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -503,12 +503,6 @@ static int save_tm_user_regs(struct pt_regs *regs, { unsigned long msr = regs->msr; - /* tm_reclaim rolls back all reg states, updating thread.ckpt_regs, - * thread.transact_fpr[], thread.transact_vr[], etc. - */ - tm_enable(); - tm_reclaim(¤t->thread, msr, TM_CAUSE_SIGNAL); - /* Make sure floating point registers are stored in regs */ flush_fp_to_thread(current); @@ -965,7 +959,7 @@ int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka, /* Set up Signal Frame */ /* Put a Real Time Context onto stack */ - rt_sf = get_sigframe(ka, regs, sizeof(*rt_sf), 1); + rt_sf = get_sigframe(ka, get_tm_stackpointer(regs), sizeof(*rt_sf), 1); addr = rt_sf; if (unlikely(rt_sf == NULL)) goto badframe; @@ -1403,7 +1397,7 @@ int handle_signal32(unsigned long sig, struct k_sigaction *ka, unsigned long tramp; /* Set up Signal Frame */ - frame = get_sigframe(ka, regs, sizeof(*frame), 1); + frame = get_sigframe(ka, get_tm_stackpointer(regs), sizeof(*frame), 1); if (unlikely(frame == NULL)) goto badframe; sc = (struct sigcontext __user *) &frame->sctx; diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index c179428..3459473 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -154,11 +154,12 @@ static long setup_sigcontext(struct sigcontext __user *sc, struct pt_regs *regs, * As above, but Transactional Memory is in use, so deliver sigcontexts * containing checkpointed and transactional register states. * - * To do this, we treclaim to gather both sets of registers and set up the - * 'normal' sigcontext registers with rolled-back register values such that a - * simple signal handler sees a correct checkpointed register state. - * If interested, a TM-aware sighandler can examine the transactional registers - * in the 2nd sigcontext to determine the real origin of the signal. + * To do this, we treclaim (done before entering here) to gather both sets of + * registers and set up the 'normal' sigcontext registers with rolled-back + * register values such that a simple signal handler sees a correct + * checkpointed register state. If interested, a TM-aware sighandler can + * examine the transactional registers in the 2nd sigcontext to determine the + * real origin of the signal. */ static long setup_tm_sigcontexts(struct sigcontext __user *sc, struct sigcontext __user *tm_sc, @@ -184,16 +185,6 @@ static long setup_tm_sigcontexts(struct sigcontext __user *sc, BUG_ON(!MSR_TM_ACTIVE(regs->msr)); - /* tm_reclaim rolls back all reg states, saving checkpointed (older) - * GPRs to thread.ckpt_regs and (if used) FPRs to (newer) - * thread.transact_fp and/or VRs to (newer) thread.transact_vr. - * THEN we save out FP/VRs, if necessary, to the checkpointed (older) - * thread.fr[]/vr[]s. The transactional (newer) GPRs are on the - * stack, in *regs. - */ - tm_enable(); - tm_reclaim(¤t->thread, msr, TM_CAUSE_SIGNAL); - flush_fp_to_thread(current); #ifdef CONFIG_ALTIVEC @@ -711,7 +702,7 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info, unsigned long newsp = 0; long err = 0; - frame = get_sigframe(ka, regs, sizeof(*frame), 0); + frame = get_sigframe(ka, get_tm_stackpointer(regs), sizeof(*frame), 0); if (unlikely(frame == NULL)) goto badframe; diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 83efa2f..1c22b2d 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -52,6 +52,7 @@ #ifdef CONFIG_PPC64 #include #include +#include #endif #include #include @@ -913,6 +914,28 @@ static int emulate_isel(struct pt_regs *regs, u32 instword) return 0; } +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM +static inline bool tm_abort_check(struct pt_regs *regs, int cause) +{ + /* If we're emulating a load/store in an active transaction, we cannot + * emulate it as the kernel operates in transaction suspended context. + * We need to abort the transaction. This creates a persistent TM + * abort so tell the user what caused it with a new code. + */ + if (MSR_TM_TRANSACTIONAL(regs->msr)) { + tm_enable(); + tm_abort(cause); + return true; + } + return false; +} +#else +static inline bool tm_abort_check(struct pt_regs *regs, int reason) +{ + return false; +} +#endif + static int emulate_instruction(struct pt_regs *regs) { u32 instword; @@ -952,6 +975,9 @@ static int emulate_instruction(struct pt_regs *regs) /* Emulate load/store string insn. */ if ((instword & PPC_INST_STRING_GEN_MASK) == PPC_INST_STRING) { + if (tm_abort_check(regs, + TM_CAUSE_EMULATE | TM_CAUSE_PERSISTENT)) + return -EINVAL; PPC_WARN_EMULATED(string, regs); return emulate_string_inst(regs, instword); } @@ -1124,6 +1150,9 @@ void alignment_exception(struct pt_regs *regs) if (!arch_irq_disabled_regs(regs)) local_irq_enable(); + if (tm_abort_check(regs, TM_CAUSE_ALIGNMENT | TM_CAUSE_PERSISTENT)) + goto bail; + /* we don't implement logging of alignment exceptions */ if (!(current->thread.align_ctl & PR_UNALIGN_SIGBUS)) fixed = fix_alignment(regs); diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig index 9a0941b..b9fd0d3 100644 --- a/arch/powerpc/platforms/pseries/Kconfig +++ b/arch/powerpc/platforms/pseries/Kconfig @@ -18,6 +18,8 @@ config PPC_PSERIES select PPC_PCI_CHOICE if EXPERT select ZLIB_DEFLATE select PPC_DOORBELL + select HOTPLUG if SMP + select HOTPLUG_CPU if SMP default y config PPC_SPLPAR diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 3cb47cf..fd80015 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -637,7 +637,7 @@ static inline pgste_t pgste_update_all(pte_t *ptep, pgste_t pgste) unsigned long address, bits; unsigned char skey; - if (!pte_present(*ptep)) + if (pte_val(*ptep) & _PAGE_INVALID) return pgste; address = pte_val(*ptep) & PAGE_MASK; skey = page_get_storage_key(address); @@ -671,7 +671,7 @@ static inline pgste_t pgste_update_young(pte_t *ptep, pgste_t pgste) #ifdef CONFIG_PGSTE int young; - if (!pte_present(*ptep)) + if (pte_val(*ptep) & _PAGE_INVALID) return pgste; /* Get referenced bit from storage key */ young = page_reset_referenced(pte_val(*ptep) & PAGE_MASK); @@ -697,7 +697,7 @@ static inline void pgste_set_key(pte_t *ptep, pgste_t pgste, pte_t entry) unsigned long address; unsigned long okey, nkey; - if (!pte_present(entry)) + if (pte_val(entry) & _PAGE_INVALID) return; address = pte_val(entry) & PAGE_MASK; okey = nkey = page_get_storage_key(address); @@ -1072,6 +1072,9 @@ static inline pte_t ptep_modify_prot_start(struct mm_struct *mm, pte = *ptep; if (!mm_exclusive(mm)) __ptep_ipte(address, ptep); + + if (mm_has_pgste(mm)) + pgste = pgste_update_all(&pte, pgste); return pte; } @@ -1079,9 +1082,13 @@ static inline void ptep_modify_prot_commit(struct mm_struct *mm, unsigned long address, pte_t *ptep, pte_t pte) { + pgste_t pgste; + if (mm_has_pgste(mm)) { + pgste = *(pgste_t *)(ptep + PTRS_PER_PTE); + pgste_set_key(ptep, pgste, pte); pgste_set_pte(ptep, pte); - pgste_set_unlock(ptep, *(pgste_t *)(ptep + PTRS_PER_PTE)); + pgste_set_unlock(ptep, pgste); } else *ptep = pte; } diff --git a/arch/x86/crypto/crc32-pclmul_asm.S b/arch/x86/crypto/crc32-pclmul_asm.S index c8335014..c18c398 100644 --- a/arch/x86/crypto/crc32-pclmul_asm.S +++ b/arch/x86/crypto/crc32-pclmul_asm.S @@ -241,6 +241,6 @@ fold_64: pand %xmm3, %xmm1 PCLMULQDQ 0x00, CONSTANT, %xmm1 pxor %xmm2, %xmm1 - pextrd $0x01, %xmm1, %eax + PEXTRD 0x01, %xmm1, %eax ret diff --git a/arch/x86/include/asm/inst.h b/arch/x86/include/asm/inst.h index 280bf7f..3e11527 100644 --- a/arch/x86/include/asm/inst.h +++ b/arch/x86/include/asm/inst.h @@ -9,12 +9,68 @@ #define REG_NUM_INVALID 100 -#define REG_TYPE_R64 0 -#define REG_TYPE_XMM 1 +#define REG_TYPE_R32 0 +#define REG_TYPE_R64 1 +#define REG_TYPE_XMM 2 #define REG_TYPE_INVALID 100 + .macro R32_NUM opd r32 + \opd = REG_NUM_INVALID + .ifc \r32,%eax + \opd = 0 + .endif + .ifc \r32,%ecx + \opd = 1 + .endif + .ifc \r32,%edx + \opd = 2 + .endif + .ifc \r32,%ebx + \opd = 3 + .endif + .ifc \r32,%esp + \opd = 4 + .endif + .ifc \r32,%ebp + \opd = 5 + .endif + .ifc \r32,%esi + \opd = 6 + .endif + .ifc \r32,%edi + \opd = 7 + .endif +#ifdef CONFIG_X86_64 + .ifc \r32,%r8d + \opd = 8 + .endif + .ifc \r32,%r9d + \opd = 9 + .endif + .ifc \r32,%r10d + \opd = 10 + .endif + .ifc \r32,%r11d + \opd = 11 + .endif + .ifc \r32,%r12d + \opd = 12 + .endif + .ifc \r32,%r13d + \opd = 13 + .endif + .ifc \r32,%r14d + \opd = 14 + .endif + .ifc \r32,%r15d + \opd = 15 + .endif +#endif + .endm + .macro R64_NUM opd r64 \opd = REG_NUM_INVALID +#ifdef CONFIG_X86_64 .ifc \r64,%rax \opd = 0 .endif @@ -63,6 +119,7 @@ .ifc \r64,%r15 \opd = 15 .endif +#endif .endm .macro XMM_NUM opd xmm @@ -118,10 +175,13 @@ .endm .macro REG_TYPE type reg + R32_NUM reg_type_r32 \reg R64_NUM reg_type_r64 \reg XMM_NUM reg_type_xmm \reg .if reg_type_r64 <> REG_NUM_INVALID \type = REG_TYPE_R64 + .elseif reg_type_r32 <> REG_NUM_INVALID + \type = REG_TYPE_R32 .elseif reg_type_xmm <> REG_NUM_INVALID \type = REG_TYPE_XMM .else @@ -162,6 +222,16 @@ .byte \imm8 .endm + .macro PEXTRD imm8 xmm gpr + R32_NUM extrd_opd1 \gpr + XMM_NUM extrd_opd2 \xmm + PFX_OPD_SIZE + PFX_REX extrd_opd1 extrd_opd2 + .byte 0x0f, 0x3a, 0x16 + MODRM 0xc0 extrd_opd1 extrd_opd2 + .byte \imm8 + .endm + .macro AESKEYGENASSIST rcon xmm1 xmm2 XMM_NUM aeskeygen_opd1 \xmm1 XMM_NUM aeskeygen_opd2 \xmm2 diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 08f7e80..321d65e 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -115,8 +115,10 @@ startup_64: movq %rdi, %rax shrq $PUD_SHIFT, %rax andl $(PTRS_PER_PUD-1), %eax - movq %rdx, (4096+0)(%rbx,%rax,8) - movq %rdx, (4096+8)(%rbx,%rax,8) + movq %rdx, 4096(%rbx,%rax,8) + incl %eax + andl $(PTRS_PER_PUD-1), %eax + movq %rdx, 4096(%rbx,%rax,8) addq $8192, %rbx movq %rdi, %rax diff --git a/arch/x86/kernel/i387.c b/arch/x86/kernel/i387.c index 245a71d..cb33909 100644 --- a/arch/x86/kernel/i387.c +++ b/arch/x86/kernel/i387.c @@ -22,23 +22,19 @@ /* * Were we in an interrupt that interrupted kernel mode? * - * For now, with eagerfpu we will return interrupted kernel FPU - * state as not-idle. TBD: Ideally we can change the return value - * to something like __thread_has_fpu(current). But we need to - * be careful of doing __thread_clear_has_fpu() before saving - * the FPU etc for supporting nested uses etc. For now, take - * the simple route! - * * On others, we can do a kernel_fpu_begin/end() pair *ONLY* if that * pair does nothing at all: the thread must not have fpu (so * that we don't try to save the FPU state), and TS must * be set (so that the clts/stts pair does nothing that is * visible in the interrupted kernel thread). + * + * Except for the eagerfpu case when we return 1 unless we've already + * been eager and saved the state in kernel_fpu_begin(). */ static inline bool interrupted_kernel_fpu_idle(void) { if (use_eager_fpu()) - return 0; + return __thread_has_fpu(current); return !__thread_has_fpu(current) && (read_cr0() & X86_CR0_TS); @@ -78,8 +74,8 @@ void __kernel_fpu_begin(void) struct task_struct *me = current; if (__thread_has_fpu(me)) { - __save_init_fpu(me); __thread_clear_has_fpu(me); + __save_init_fpu(me); /* We do 'stts()' in __kernel_fpu_end() */ } else if (!use_eager_fpu()) { this_cpu_write(fpu_owner_task, NULL); diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 59622c9..698eece 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -1239,9 +1239,12 @@ static int decode_modrm(struct x86_emulate_ctxt *ctxt, ctxt->modrm_seg = VCPU_SREG_DS; if (ctxt->modrm_mod == 3) { + int highbyte_regs = ctxt->rex_prefix == 0; + op->type = OP_REG; op->bytes = (ctxt->d & ByteOp) ? 1 : ctxt->op_bytes; - op->addr.reg = decode_register(ctxt, ctxt->modrm_rm, ctxt->d & ByteOp); + op->addr.reg = decode_register(ctxt, ctxt->modrm_rm, + highbyte_regs && (ctxt->d & ByteOp)); if (ctxt->d & Sse) { op->type = OP_XMM; op->bytes = 16; @@ -3987,7 +3990,8 @@ static const struct opcode twobyte_table[256] = { DI(ImplicitOps | Priv, invd), DI(ImplicitOps | Priv, wbinvd), N, N, N, D(ImplicitOps | ModRM), N, N, /* 0x10 - 0x1F */ - N, N, N, N, N, N, N, N, D(ImplicitOps | ModRM), N, N, N, N, N, N, N, + N, N, N, N, N, N, N, N, + D(ImplicitOps | ModRM), N, N, N, N, N, N, D(ImplicitOps | ModRM), /* 0x20 - 0x2F */ DIP(ModRM | DstMem | Priv | Op3264, cr_read, check_cr_read), DIP(ModRM | DstMem | Priv | Op3264, dr_read, check_dr_read), @@ -4825,6 +4829,7 @@ twobyte_insn: case 0x08: /* invd */ case 0x0d: /* GrpP (prefetch) */ case 0x18: /* Grp16 (prefetch/nop) */ + case 0x1f: /* nop */ break; case 0x20: /* mov cr, reg */ ctxt->dst.val = ops->get_cr(ctxt, ctxt->modrm_reg); diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 474fcfe..eb8278a 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -24,7 +24,7 @@ acpi-y += nvs.o # Power management related files acpi-y += wakeup.o acpi-y += sleep.o -acpi-$(CONFIG_PM) += device_pm.o +acpi-y += device_pm.o acpi-$(CONFIG_ACPI_SLEEP) += proc.o diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c index dd314ef..557e58d 100644 --- a/drivers/acpi/device_pm.c +++ b/drivers/acpi/device_pm.c @@ -37,68 +37,6 @@ #define _COMPONENT ACPI_POWER_COMPONENT ACPI_MODULE_NAME("device_pm"); -static DEFINE_MUTEX(acpi_pm_notifier_lock); - -/** - * acpi_add_pm_notifier - Register PM notifier for given ACPI device. - * @adev: ACPI device to add the notifier for. - * @context: Context information to pass to the notifier routine. - * - * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of - * PM wakeup events. For example, wakeup events may be generated for bridges - * if one of the devices below the bridge is signaling wakeup, even if the - * bridge itself doesn't have a wakeup GPE associated with it. - */ -acpi_status acpi_add_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler, void *context) -{ - acpi_status status = AE_ALREADY_EXISTS; - - mutex_lock(&acpi_pm_notifier_lock); - - if (adev->wakeup.flags.notifier_present) - goto out; - - status = acpi_install_notify_handler(adev->handle, - ACPI_SYSTEM_NOTIFY, - handler, context); - if (ACPI_FAILURE(status)) - goto out; - - adev->wakeup.flags.notifier_present = true; - - out: - mutex_unlock(&acpi_pm_notifier_lock); - return status; -} - -/** - * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device. - * @adev: ACPI device to remove the notifier from. - */ -acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, - acpi_notify_handler handler) -{ - acpi_status status = AE_BAD_PARAMETER; - - mutex_lock(&acpi_pm_notifier_lock); - - if (!adev->wakeup.flags.notifier_present) - goto out; - - status = acpi_remove_notify_handler(adev->handle, - ACPI_SYSTEM_NOTIFY, - handler); - if (ACPI_FAILURE(status)) - goto out; - - adev->wakeup.flags.notifier_present = false; - - out: - mutex_unlock(&acpi_pm_notifier_lock); - return status; -} - /** * acpi_power_state_string - String representation of ACPI device power state. * @state: ACPI device power state to return the string representation of. @@ -376,6 +314,69 @@ bool acpi_bus_power_manageable(acpi_handle handle) } EXPORT_SYMBOL(acpi_bus_power_manageable); +#ifdef CONFIG_PM +static DEFINE_MUTEX(acpi_pm_notifier_lock); + +/** + * acpi_add_pm_notifier - Register PM notifier for given ACPI device. + * @adev: ACPI device to add the notifier for. + * @context: Context information to pass to the notifier routine. + * + * NOTE: @adev need not be a run-wake or wakeup device to be a valid source of + * PM wakeup events. For example, wakeup events may be generated for bridges + * if one of the devices below the bridge is signaling wakeup, even if the + * bridge itself doesn't have a wakeup GPE associated with it. + */ +acpi_status acpi_add_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler, void *context) +{ + acpi_status status = AE_ALREADY_EXISTS; + + mutex_lock(&acpi_pm_notifier_lock); + + if (adev->wakeup.flags.notifier_present) + goto out; + + status = acpi_install_notify_handler(adev->handle, + ACPI_SYSTEM_NOTIFY, + handler, context); + if (ACPI_FAILURE(status)) + goto out; + + adev->wakeup.flags.notifier_present = true; + + out: + mutex_unlock(&acpi_pm_notifier_lock); + return status; +} + +/** + * acpi_remove_pm_notifier - Unregister PM notifier from given ACPI device. + * @adev: ACPI device to remove the notifier from. + */ +acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler) +{ + acpi_status status = AE_BAD_PARAMETER; + + mutex_lock(&acpi_pm_notifier_lock); + + if (!adev->wakeup.flags.notifier_present) + goto out; + + status = acpi_remove_notify_handler(adev->handle, + ACPI_SYSTEM_NOTIFY, + handler); + if (ACPI_FAILURE(status)) + goto out; + + adev->wakeup.flags.notifier_present = false; + + out: + mutex_unlock(&acpi_pm_notifier_lock); + return status; +} + bool acpi_bus_can_wakeup(acpi_handle handle) { struct acpi_device *device; @@ -1014,3 +1015,4 @@ void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev) mutex_unlock(&adev->physical_node_lock); } EXPORT_SYMBOL_GPL(acpi_dev_pm_remove_dependent); +#endif /* CONFIG_PM */ diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index 4ac2593..abcae69 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -164,6 +164,14 @@ static struct dmi_system_id video_detect_dmi_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "UL30VT"), }, }, + { + .callback = video_detect_force_vendor, + .ident = "Asus UL30A", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "UL30A"), + }, + }, { }, }; diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 2f48123..93cb092 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -151,6 +151,7 @@ enum piix_controller_ids { piix_pata_vmw, /* PIIX4 for VMware, spurious DMA_ERR */ ich8_sata_snb, ich8_2port_sata_snb, + ich8_2port_sata_byt, }; struct piix_map_db { @@ -334,6 +335,9 @@ static const struct pci_device_id piix_pci_tbl[] = { { 0x8086, 0x8d60, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_snb }, /* SATA Controller IDE (Wellsburg) */ { 0x8086, 0x8d68, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata }, + /* SATA Controller IDE (BayTrail) */ + { 0x8086, 0x0F20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt }, + { 0x8086, 0x0F21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata_byt }, { } /* terminate list */ }; @@ -441,6 +445,7 @@ static const struct piix_map_db *piix_map_db_table[] = { [tolapai_sata] = &tolapai_map_db, [ich8_sata_snb] = &ich8_map_db, [ich8_2port_sata_snb] = &ich8_2port_map_db, + [ich8_2port_sata_byt] = &ich8_2port_map_db, }; static struct pci_bits piix_enable_bits[] = { @@ -1254,6 +1259,16 @@ static struct ata_port_info piix_port_info[] = { .udma_mask = ATA_UDMA6, .port_ops = &piix_sata_ops, }, + + [ich8_2port_sata_byt] = + { + .flags = PIIX_SATA_FLAGS | PIIX_FLAG_SIDPR | PIIX_FLAG_PIO16, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA6, + .port_ops = &piix_sata_ops, + }, + }; #define AHCI_PCI_BAR 5 diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 63c743b..cf15aee 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -1602,6 +1602,12 @@ unsigned ata_exec_internal_sg(struct ata_device *dev, qc->tf = *tf; if (cdb) memcpy(qc->cdb, cdb, ATAPI_CDB_LEN); + + /* some SATA bridges need us to indicate data xfer direction */ + if (tf->protocol == ATAPI_PROT_DMA && (dev->flags & ATA_DFLAG_DMADIR) && + dma_dir == DMA_FROM_DEVICE) + qc->tf.feature |= ATAPI_DMADIR; + qc->flags |= ATA_QCFLAG_RESULT_TF; qc->dma_dir = dma_dir; if (dma_dir != DMA_NONE) { diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c index caf33f6..d7b77e0 100644 --- a/drivers/ata/sata_rcar.c +++ b/drivers/ata/sata_rcar.c @@ -548,6 +548,7 @@ static void sata_rcar_bmdma_start(struct ata_queued_cmd *qc) /* start host DMA transaction */ dmactl = ioread32(priv->base + ATAPI_CONTROL1_REG); + dmactl &= ~ATAPI_CONTROL1_STOP; dmactl |= ATAPI_CONTROL1_START; iowrite32(dmactl, priv->base + ATAPI_CONTROL1_REG); } @@ -617,17 +618,16 @@ static struct ata_port_operations sata_rcar_port_ops = { .bmdma_status = sata_rcar_bmdma_status, }; -static int sata_rcar_serr_interrupt(struct ata_port *ap) +static void sata_rcar_serr_interrupt(struct ata_port *ap) { struct sata_rcar_priv *priv = ap->host->private_data; struct ata_eh_info *ehi = &ap->link.eh_info; int freeze = 0; - int handled = 0; u32 serror; serror = ioread32(priv->base + SCRSERR_REG); if (!serror) - return 0; + return; DPRINTK("SError @host_intr: 0x%x\n", serror); @@ -640,7 +640,6 @@ static int sata_rcar_serr_interrupt(struct ata_port *ap) ata_ehi_push_desc(ehi, "%s", "hotplug"); freeze = serror & SERR_COMM_WAKE ? 0 : 1; - handled = 1; } /* freeze or abort */ @@ -648,11 +647,9 @@ static int sata_rcar_serr_interrupt(struct ata_port *ap) ata_port_freeze(ap); else ata_port_abort(ap); - - return handled; } -static int sata_rcar_ata_interrupt(struct ata_port *ap) +static void sata_rcar_ata_interrupt(struct ata_port *ap) { struct ata_queued_cmd *qc; int handled = 0; @@ -661,7 +658,9 @@ static int sata_rcar_ata_interrupt(struct ata_port *ap) if (qc) handled |= ata_bmdma_port_intr(ap, qc); - return handled; + /* be sure to clear ATA interrupt */ + if (!handled) + sata_rcar_check_status(ap); } static irqreturn_t sata_rcar_interrupt(int irq, void *dev_instance) @@ -676,20 +675,21 @@ static irqreturn_t sata_rcar_interrupt(int irq, void *dev_instance) spin_lock_irqsave(&host->lock, flags); sataintstat = ioread32(priv->base + SATAINTSTAT_REG); + sataintstat &= SATA_RCAR_INT_MASK; if (!sataintstat) goto done; /* ack */ - iowrite32(sataintstat & ~SATA_RCAR_INT_MASK, - priv->base + SATAINTSTAT_REG); + iowrite32(~sataintstat & 0x7ff, priv->base + SATAINTSTAT_REG); ap = host->ports[0]; if (sataintstat & SATAINTSTAT_ATA) - handled |= sata_rcar_ata_interrupt(ap); + sata_rcar_ata_interrupt(ap); if (sataintstat & SATAINTSTAT_SERR) - handled |= sata_rcar_serr_interrupt(ap); + sata_rcar_serr_interrupt(ap); + handled = 1; done: spin_unlock_irqrestore(&host->lock, flags); diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 531ceb3..4e8213a 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -117,13 +117,13 @@ static struct page *brd_insert_page(struct brd_device *brd, sector_t sector) spin_lock(&brd->brd_lock); idx = sector >> PAGE_SECTORS_SHIFT; + page->index = idx; if (radix_tree_insert(&brd->brd_pages, idx, page)) { __free_page(page); page = radix_tree_lookup(&brd->brd_pages, idx); BUG_ON(!page); BUG_ON(page->index != idx); - } else - page->index = idx; + } spin_unlock(&brd->brd_lock); radix_tree_preload_end(); diff --git a/drivers/char/random.c b/drivers/char/random.c index 32a6c57..eccd7cc 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -865,16 +865,24 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min, if (r->entropy_count / 8 < min + reserved) { nbytes = 0; } else { + int entropy_count, orig; +retry: + entropy_count = orig = ACCESS_ONCE(r->entropy_count); /* If limited, never pull more than available */ - if (r->limit && nbytes + reserved >= r->entropy_count / 8) - nbytes = r->entropy_count/8 - reserved; - - if (r->entropy_count / 8 >= nbytes + reserved) - r->entropy_count -= nbytes*8; - else - r->entropy_count = reserved; + if (r->limit && nbytes + reserved >= entropy_count / 8) + nbytes = entropy_count/8 - reserved; + + if (entropy_count / 8 >= nbytes + reserved) { + entropy_count -= nbytes*8; + if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig) + goto retry; + } else { + entropy_count = reserved; + if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig) + goto retry; + } - if (r->entropy_count < random_write_wakeup_thresh) + if (entropy_count < random_write_wakeup_thresh) wakeup_write = 1; } @@ -957,10 +965,23 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, { ssize_t ret = 0, i; __u8 tmp[EXTRACT_SIZE]; + unsigned long flags; /* if last_data isn't primed, we need EXTRACT_SIZE extra bytes */ - if (fips_enabled && !r->last_data_init) - nbytes += EXTRACT_SIZE; + if (fips_enabled) { + spin_lock_irqsave(&r->lock, flags); + if (!r->last_data_init) { + r->last_data_init = true; + spin_unlock_irqrestore(&r->lock, flags); + trace_extract_entropy(r->name, EXTRACT_SIZE, + r->entropy_count, _RET_IP_); + xfer_secondary_pool(r, EXTRACT_SIZE); + extract_buf(r, tmp); + spin_lock_irqsave(&r->lock, flags); + memcpy(r->last_data, tmp, EXTRACT_SIZE); + } + spin_unlock_irqrestore(&r->lock, flags); + } trace_extract_entropy(r->name, nbytes, r->entropy_count, _RET_IP_); xfer_secondary_pool(r, nbytes); @@ -970,19 +991,6 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf, extract_buf(r, tmp); if (fips_enabled) { - unsigned long flags; - - - /* prime last_data value if need be, per fips 140-2 */ - if (!r->last_data_init) { - spin_lock_irqsave(&r->lock, flags); - memcpy(r->last_data, tmp, EXTRACT_SIZE); - r->last_data_init = true; - nbytes -= EXTRACT_SIZE; - spin_unlock_irqrestore(&r->lock, flags); - extract_buf(r, tmp); - } - spin_lock_irqsave(&r->lock, flags); if (!memcmp(tmp, r->last_data, EXTRACT_SIZE)) panic("Hardware RNG duplicated output!\n"); diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c index cf268b1..d482b12 100644 --- a/drivers/crypto/caam/caamalg.c +++ b/drivers/crypto/caam/caamalg.c @@ -1154,7 +1154,7 @@ static struct aead_edesc *aead_edesc_alloc(struct aead_request *req, dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained); sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1, - DMA_BIDIRECTIONAL, assoc_chained); + DMA_TO_DEVICE, assoc_chained); if (likely(req->src == req->dst)) { sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1, DMA_BIDIRECTIONAL, src_chained); @@ -1336,7 +1336,7 @@ static struct aead_edesc *aead_giv_edesc_alloc(struct aead_givcrypt_request dst_nents = sg_count(req->dst, req->cryptlen, &dst_chained); sgc = dma_map_sg_chained(jrdev, req->assoc, assoc_nents ? : 1, - DMA_BIDIRECTIONAL, assoc_chained); + DMA_TO_DEVICE, assoc_chained); if (likely(req->src == req->dst)) { sgc = dma_map_sg_chained(jrdev, req->src, src_nents ? : 1, DMA_BIDIRECTIONAL, src_chained); diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index e9b5789..49393e5 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -359,40 +359,64 @@ static const struct pci_device_id pciidlist[] = { /* aka */ INTEL_VGA_DEVICE(0x016a, &intel_ivybridge_d_info), /* GT2 server */ INTEL_VGA_DEVICE(0x0402, &intel_haswell_d_info), /* GT1 desktop */ INTEL_VGA_DEVICE(0x0412, &intel_haswell_d_info), /* GT2 desktop */ - INTEL_VGA_DEVICE(0x0422, &intel_haswell_d_info), /* GT2 desktop */ + INTEL_VGA_DEVICE(0x0422, &intel_haswell_d_info), /* GT3 desktop */ INTEL_VGA_DEVICE(0x040a, &intel_haswell_d_info), /* GT1 server */ INTEL_VGA_DEVICE(0x041a, &intel_haswell_d_info), /* GT2 server */ - INTEL_VGA_DEVICE(0x042a, &intel_haswell_d_info), /* GT2 server */ + INTEL_VGA_DEVICE(0x042a, &intel_haswell_d_info), /* GT3 server */ INTEL_VGA_DEVICE(0x0406, &intel_haswell_m_info), /* GT1 mobile */ INTEL_VGA_DEVICE(0x0416, &intel_haswell_m_info), /* GT2 mobile */ INTEL_VGA_DEVICE(0x0426, &intel_haswell_m_info), /* GT2 mobile */ + INTEL_VGA_DEVICE(0x040B, &intel_haswell_d_info), /* GT1 reserved */ + INTEL_VGA_DEVICE(0x041B, &intel_haswell_d_info), /* GT2 reserved */ + INTEL_VGA_DEVICE(0x042B, &intel_haswell_d_info), /* GT3 reserved */ + INTEL_VGA_DEVICE(0x040E, &intel_haswell_d_info), /* GT1 reserved */ + INTEL_VGA_DEVICE(0x041E, &intel_haswell_d_info), /* GT2 reserved */ + INTEL_VGA_DEVICE(0x042E, &intel_haswell_d_info), /* GT3 reserved */ INTEL_VGA_DEVICE(0x0C02, &intel_haswell_d_info), /* SDV GT1 desktop */ INTEL_VGA_DEVICE(0x0C12, &intel_haswell_d_info), /* SDV GT2 desktop */ - INTEL_VGA_DEVICE(0x0C22, &intel_haswell_d_info), /* SDV GT2 desktop */ + INTEL_VGA_DEVICE(0x0C22, &intel_haswell_d_info), /* SDV GT3 desktop */ INTEL_VGA_DEVICE(0x0C0A, &intel_haswell_d_info), /* SDV GT1 server */ INTEL_VGA_DEVICE(0x0C1A, &intel_haswell_d_info), /* SDV GT2 server */ - INTEL_VGA_DEVICE(0x0C2A, &intel_haswell_d_info), /* SDV GT2 server */ + INTEL_VGA_DEVICE(0x0C2A, &intel_haswell_d_info), /* SDV GT3 server */ INTEL_VGA_DEVICE(0x0C06, &intel_haswell_m_info), /* SDV GT1 mobile */ INTEL_VGA_DEVICE(0x0C16, &intel_haswell_m_info), /* SDV GT2 mobile */ - INTEL_VGA_DEVICE(0x0C26, &intel_haswell_m_info), /* SDV GT2 mobile */ + INTEL_VGA_DEVICE(0x0C26, &intel_haswell_m_info), /* SDV GT3 mobile */ + INTEL_VGA_DEVICE(0x0C0B, &intel_haswell_d_info), /* SDV GT1 reserved */ + INTEL_VGA_DEVICE(0x0C1B, &intel_haswell_d_info), /* SDV GT2 reserved */ + INTEL_VGA_DEVICE(0x0C2B, &intel_haswell_d_info), /* SDV GT3 reserved */ + INTEL_VGA_DEVICE(0x0C0E, &intel_haswell_d_info), /* SDV GT1 reserved */ + INTEL_VGA_DEVICE(0x0C1E, &intel_haswell_d_info), /* SDV GT2 reserved */ + INTEL_VGA_DEVICE(0x0C2E, &intel_haswell_d_info), /* SDV GT3 reserved */ INTEL_VGA_DEVICE(0x0A02, &intel_haswell_d_info), /* ULT GT1 desktop */ INTEL_VGA_DEVICE(0x0A12, &intel_haswell_d_info), /* ULT GT2 desktop */ - INTEL_VGA_DEVICE(0x0A22, &intel_haswell_d_info), /* ULT GT2 desktop */ + INTEL_VGA_DEVICE(0x0A22, &intel_haswell_d_info), /* ULT GT3 desktop */ INTEL_VGA_DEVICE(0x0A0A, &intel_haswell_d_info), /* ULT GT1 server */ INTEL_VGA_DEVICE(0x0A1A, &intel_haswell_d_info), /* ULT GT2 server */ - INTEL_VGA_DEVICE(0x0A2A, &intel_haswell_d_info), /* ULT GT2 server */ + INTEL_VGA_DEVICE(0x0A2A, &intel_haswell_d_info), /* ULT GT3 server */ INTEL_VGA_DEVICE(0x0A06, &intel_haswell_m_info), /* ULT GT1 mobile */ INTEL_VGA_DEVICE(0x0A16, &intel_haswell_m_info), /* ULT GT2 mobile */ - INTEL_VGA_DEVICE(0x0A26, &intel_haswell_m_info), /* ULT GT2 mobile */ + INTEL_VGA_DEVICE(0x0A26, &intel_haswell_m_info), /* ULT GT3 mobile */ + INTEL_VGA_DEVICE(0x0A0B, &intel_haswell_d_info), /* ULT GT1 reserved */ + INTEL_VGA_DEVICE(0x0A1B, &intel_haswell_d_info), /* ULT GT2 reserved */ + INTEL_VGA_DEVICE(0x0A2B, &intel_haswell_d_info), /* ULT GT3 reserved */ + INTEL_VGA_DEVICE(0x0A0E, &intel_haswell_m_info), /* ULT GT1 reserved */ + INTEL_VGA_DEVICE(0x0A1E, &intel_haswell_m_info), /* ULT GT2 reserved */ + INTEL_VGA_DEVICE(0x0A2E, &intel_haswell_m_info), /* ULT GT3 reserved */ INTEL_VGA_DEVICE(0x0D02, &intel_haswell_d_info), /* CRW GT1 desktop */ INTEL_VGA_DEVICE(0x0D12, &intel_haswell_d_info), /* CRW GT2 desktop */ - INTEL_VGA_DEVICE(0x0D22, &intel_haswell_d_info), /* CRW GT2 desktop */ + INTEL_VGA_DEVICE(0x0D22, &intel_haswell_d_info), /* CRW GT3 desktop */ INTEL_VGA_DEVICE(0x0D0A, &intel_haswell_d_info), /* CRW GT1 server */ INTEL_VGA_DEVICE(0x0D1A, &intel_haswell_d_info), /* CRW GT2 server */ - INTEL_VGA_DEVICE(0x0D2A, &intel_haswell_d_info), /* CRW GT2 server */ + INTEL_VGA_DEVICE(0x0D2A, &intel_haswell_d_info), /* CRW GT3 server */ INTEL_VGA_DEVICE(0x0D06, &intel_haswell_m_info), /* CRW GT1 mobile */ INTEL_VGA_DEVICE(0x0D16, &intel_haswell_m_info), /* CRW GT2 mobile */ - INTEL_VGA_DEVICE(0x0D26, &intel_haswell_m_info), /* CRW GT2 mobile */ + INTEL_VGA_DEVICE(0x0D26, &intel_haswell_m_info), /* CRW GT3 mobile */ + INTEL_VGA_DEVICE(0x0D0B, &intel_haswell_d_info), /* CRW GT1 reserved */ + INTEL_VGA_DEVICE(0x0D1B, &intel_haswell_d_info), /* CRW GT2 reserved */ + INTEL_VGA_DEVICE(0x0D2B, &intel_haswell_d_info), /* CRW GT3 reserved */ + INTEL_VGA_DEVICE(0x0D0E, &intel_haswell_d_info), /* CRW GT1 reserved */ + INTEL_VGA_DEVICE(0x0D1E, &intel_haswell_d_info), /* CRW GT2 reserved */ + INTEL_VGA_DEVICE(0x0D2E, &intel_haswell_d_info), /* CRW GT3 reserved */ INTEL_VGA_DEVICE(0x0f30, &intel_valleyview_m_info), INTEL_VGA_DEVICE(0x0157, &intel_valleyview_m_info), INTEL_VGA_DEVICE(0x0155, &intel_valleyview_d_info), diff --git a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c index 4393eb4..2391b1b 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c +++ b/drivers/gpu/drm/nouveau/core/subdev/device/nvc0.c @@ -138,7 +138,6 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_ENGINE_BSP ] = &nvc0_bsp_oclass; device->oclass[NVDEV_ENGINE_PPP ] = &nvc0_ppp_oclass; device->oclass[NVDEV_ENGINE_COPY0 ] = &nvc0_copy0_oclass; - device->oclass[NVDEV_ENGINE_COPY1 ] = &nvc0_copy1_oclass; device->oclass[NVDEV_ENGINE_DISP ] = &nva3_disp_oclass; break; case 0xce: @@ -225,7 +224,6 @@ nvc0_identify(struct nouveau_device *device) device->oclass[NVDEV_ENGINE_BSP ] = &nvc0_bsp_oclass; device->oclass[NVDEV_ENGINE_PPP ] = &nvc0_ppp_oclass; device->oclass[NVDEV_ENGINE_COPY0 ] = &nvc0_copy0_oclass; - device->oclass[NVDEV_ENGINE_COPY1 ] = &nvc0_copy1_oclass; device->oclass[NVDEV_ENGINE_DISP ] = &nva3_disp_oclass; break; case 0xc8: diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c index 44b8034..5073665 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -435,18 +435,17 @@ bool radeon_card_posted(struct radeon_device *rdev) return false; /* first check CRTCs */ - if (ASIC_IS_DCE41(rdev)) { + if (ASIC_IS_DCE4(rdev)) { reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET); - if (reg & EVERGREEN_CRTC_MASTER_EN) - return true; - } else if (ASIC_IS_DCE4(rdev)) { - reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | - RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); + if (rdev->num_crtc >= 4) { + reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET); + } + if (rdev->num_crtc >= 6) { + reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) | + RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET); + } if (reg & EVERGREEN_CRTC_MASTER_EN) return true; } else if (ASIC_IS_AVIVO(rdev)) { diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 287248c..aefefd5 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -1645,7 +1645,7 @@ static void si_gpu_init(struct radeon_device *rdev) default: rdev->config.si.max_shader_engines = 1; rdev->config.si.max_tile_pipes = 4; - rdev->config.si.max_cu_per_sh = 2; + rdev->config.si.max_cu_per_sh = 5; rdev->config.si.max_sh_per_se = 2; rdev->config.si.max_backends_per_se = 4; rdev->config.si.max_texture_channel_caches = 4; diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index ff1be16..421d607 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -318,7 +318,7 @@ static u32 get_vp_index(uuid_le *type_guid) return 0; } cur_cpu = (++next_vp % max_cpus); - return cur_cpu; + return hv_context.vp_index[cur_cpu]; } /* diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c index be1edb0..68ebb7f 100644 --- a/drivers/infiniband/ulp/iser/iser_memory.c +++ b/drivers/infiniband/ulp/iser/iser_memory.c @@ -416,8 +416,9 @@ int iser_reg_rdma_mem(struct iscsi_iser_task *iser_task, for (i=0 ; ipage_vec->length ; i++) iser_err("page_vec[%d] = 0x%llx\n", i, (unsigned long long) ib_conn->page_vec->pages[i]); - return err; } + if (err) + return err; } return 0; } diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index c09d41b..b4a76d1 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -2227,6 +2227,27 @@ static void srpt_close_ch(struct srpt_rdma_ch *ch) } /** + * srpt_shutdown_session() - Whether or not a session may be shut down. + */ +static int srpt_shutdown_session(struct se_session *se_sess) +{ + struct srpt_rdma_ch *ch = se_sess->fabric_sess_ptr; + unsigned long flags; + + spin_lock_irqsave(&ch->spinlock, flags); + if (ch->in_shutdown) { + spin_unlock_irqrestore(&ch->spinlock, flags); + return true; + } + + ch->in_shutdown = true; + target_sess_cmd_list_set_waiting(se_sess); + spin_unlock_irqrestore(&ch->spinlock, flags); + + return true; +} + +/** * srpt_drain_channel() - Drain a channel by resetting the IB queue pair. * @cm_id: Pointer to the CM ID of the channel to be drained. * @@ -2264,6 +2285,9 @@ static void srpt_drain_channel(struct ib_cm_id *cm_id) spin_unlock_irq(&sdev->spinlock); if (do_reset) { + if (ch->sess) + srpt_shutdown_session(ch->sess); + ret = srpt_ch_qp_err(ch); if (ret < 0) printk(KERN_ERR "Setting queue pair in error state" @@ -3467,14 +3491,6 @@ static void srpt_release_cmd(struct se_cmd *se_cmd) } /** - * srpt_shutdown_session() - Whether or not a session may be shut down. - */ -static int srpt_shutdown_session(struct se_session *se_sess) -{ - return true; -} - -/** * srpt_close_session() - Forcibly close a session. * * Callback function invoked by the TCM core to clean up sessions associated diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.h b/drivers/infiniband/ulp/srpt/ib_srpt.h index 4caf55c..3dae156 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.h +++ b/drivers/infiniband/ulp/srpt/ib_srpt.h @@ -325,6 +325,7 @@ struct srpt_rdma_ch { u8 sess_name[36]; struct work_struct release_work; struct completion *release_done; + bool in_shutdown; }; /** diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c index 17c9097..39f3df8 100644 --- a/drivers/input/touchscreen/egalax_ts.c +++ b/drivers/input/touchscreen/egalax_ts.c @@ -216,7 +216,7 @@ static int egalax_ts_probe(struct i2c_client *client, input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, EGALAX_MAX_X, 0, 0); input_set_abs_params(input_dev, - ABS_MT_POSITION_X, 0, EGALAX_MAX_Y, 0, 0); + ABS_MT_POSITION_Y, 0, EGALAX_MAX_Y, 0, 0); input_mt_init_slots(input_dev, MAX_SUPPORT_POINTS, 0); input_set_drvdata(input_dev, ts); diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index cbb1645..1a5285b 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -700,11 +700,23 @@ retry: static void iommu_poll_events(struct amd_iommu *iommu) { - u32 head, tail; + u32 head, tail, status; unsigned long flags; spin_lock_irqsave(&iommu->lock, flags); + /* enable event interrupts again */ + do { + /* + * Workaround for Erratum ERBT1312 + * Clearing the EVT_INT bit may race in the hardware, so read + * it again and make sure it was really cleared + */ + status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET); + writel(MMIO_STATUS_EVT_INT_MASK, + iommu->mmio_base + MMIO_STATUS_OFFSET); + } while (status & MMIO_STATUS_EVT_INT_MASK); + head = readl(iommu->mmio_base + MMIO_EVT_HEAD_OFFSET); tail = readl(iommu->mmio_base + MMIO_EVT_TAIL_OFFSET); @@ -741,16 +753,25 @@ static void iommu_handle_ppr_entry(struct amd_iommu *iommu, u64 *raw) static void iommu_poll_ppr_log(struct amd_iommu *iommu) { unsigned long flags; - u32 head, tail; + u32 head, tail, status; if (iommu->ppr_log == NULL) return; - /* enable ppr interrupts again */ - writel(MMIO_STATUS_PPR_INT_MASK, iommu->mmio_base + MMIO_STATUS_OFFSET); - spin_lock_irqsave(&iommu->lock, flags); + /* enable ppr interrupts again */ + do { + /* + * Workaround for Erratum ERBT1312 + * Clearing the PPR_INT bit may race in the hardware, so read + * it again and make sure it was really cleared + */ + status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET); + writel(MMIO_STATUS_PPR_INT_MASK, + iommu->mmio_base + MMIO_STATUS_OFFSET); + } while (status & MMIO_STATUS_PPR_INT_MASK); + head = readl(iommu->mmio_base + MMIO_PPR_HEAD_OFFSET); tail = readl(iommu->mmio_base + MMIO_PPR_TAIL_OFFSET); diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index e38ab43..083f98c 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -99,6 +99,7 @@ #define PASID_MASK 0x000fffff /* MMIO status bits */ +#define MMIO_STATUS_EVT_INT_MASK (1 << 1) #define MMIO_STATUS_COM_WAIT_INT_MASK (1 << 2) #define MMIO_STATUS_PPR_INT_MASK (1 << 6) diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c index a0d931b..b02b679 100644 --- a/drivers/leds/leds-gpio.c +++ b/drivers/leds/leds-gpio.c @@ -107,6 +107,10 @@ static int create_gpio_led(const struct gpio_led *template, return 0; } + ret = devm_gpio_request(parent, template->gpio, template->name); + if (ret < 0) + return ret; + led_dat->cdev.name = template->name; led_dat->cdev.default_trigger = template->default_trigger; led_dat->gpio = template->gpio; @@ -126,10 +130,7 @@ static int create_gpio_led(const struct gpio_led *template, if (!template->retain_state_suspended) led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; - ret = devm_gpio_request_one(parent, template->gpio, - (led_dat->active_low ^ state) ? - GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW, - template->name); + ret = gpio_direction_output(led_dat->gpio, led_dat->active_low ^ state); if (ret < 0) return ret; diff --git a/drivers/leds/leds-ot200.c b/drivers/leds/leds-ot200.c index ee14662..98cae52 100644 --- a/drivers/leds/leds-ot200.c +++ b/drivers/leds/leds-ot200.c @@ -47,37 +47,37 @@ static struct ot200_led leds[] = { { .name = "led_1", .port = 0x49, - .mask = BIT(7), + .mask = BIT(6), }, { .name = "led_2", .port = 0x49, - .mask = BIT(6), + .mask = BIT(5), }, { .name = "led_3", .port = 0x49, - .mask = BIT(5), + .mask = BIT(4), }, { .name = "led_4", .port = 0x49, - .mask = BIT(4), + .mask = BIT(3), }, { .name = "led_5", .port = 0x49, - .mask = BIT(3), + .mask = BIT(2), }, { .name = "led_6", .port = 0x49, - .mask = BIT(2), + .mask = BIT(1), }, { .name = "led_7", .port = 0x49, - .mask = BIT(1), + .mask = BIT(0), } }; diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index 45cb9f3..3b95465 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -136,6 +136,9 @@ #define KVASER_CTRL_MODE_SELFRECEPTION 3 #define KVASER_CTRL_MODE_OFF 4 +/* log message */ +#define KVASER_EXTENDED_FRAME BIT(31) + struct kvaser_msg_simple { u8 tid; u8 channel; @@ -817,8 +820,13 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev, priv = dev->nets[channel]; stats = &priv->netdev->stats; - if (msg->u.rx_can.flag & (MSG_FLAG_ERROR_FRAME | MSG_FLAG_NERR | - MSG_FLAG_OVERRUN)) { + if ((msg->u.rx_can.flag & MSG_FLAG_ERROR_FRAME) && + (msg->id == CMD_LOG_MESSAGE)) { + kvaser_usb_rx_error(dev, msg); + return; + } else if (msg->u.rx_can.flag & (MSG_FLAG_ERROR_FRAME | + MSG_FLAG_NERR | + MSG_FLAG_OVERRUN)) { kvaser_usb_rx_can_err(priv, msg); return; } else if (msg->u.rx_can.flag & ~MSG_FLAG_REMOTE_FRAME) { @@ -834,22 +842,40 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev, return; } - cf->can_id = ((msg->u.rx_can.msg[0] & 0x1f) << 6) | - (msg->u.rx_can.msg[1] & 0x3f); - cf->can_dlc = get_can_dlc(msg->u.rx_can.msg[5]); + if (msg->id == CMD_LOG_MESSAGE) { + cf->can_id = le32_to_cpu(msg->u.log_message.id); + if (cf->can_id & KVASER_EXTENDED_FRAME) + cf->can_id &= CAN_EFF_MASK | CAN_EFF_FLAG; + else + cf->can_id &= CAN_SFF_MASK; - if (msg->id == CMD_RX_EXT_MESSAGE) { - cf->can_id <<= 18; - cf->can_id |= ((msg->u.rx_can.msg[2] & 0x0f) << 14) | - ((msg->u.rx_can.msg[3] & 0xff) << 6) | - (msg->u.rx_can.msg[4] & 0x3f); - cf->can_id |= CAN_EFF_FLAG; - } + cf->can_dlc = get_can_dlc(msg->u.log_message.dlc); - if (msg->u.rx_can.flag & MSG_FLAG_REMOTE_FRAME) - cf->can_id |= CAN_RTR_FLAG; - else - memcpy(cf->data, &msg->u.rx_can.msg[6], cf->can_dlc); + if (msg->u.log_message.flags & MSG_FLAG_REMOTE_FRAME) + cf->can_id |= CAN_RTR_FLAG; + else + memcpy(cf->data, &msg->u.log_message.data, + cf->can_dlc); + } else { + cf->can_id = ((msg->u.rx_can.msg[0] & 0x1f) << 6) | + (msg->u.rx_can.msg[1] & 0x3f); + + if (msg->id == CMD_RX_EXT_MESSAGE) { + cf->can_id <<= 18; + cf->can_id |= ((msg->u.rx_can.msg[2] & 0x0f) << 14) | + ((msg->u.rx_can.msg[3] & 0xff) << 6) | + (msg->u.rx_can.msg[4] & 0x3f); + cf->can_id |= CAN_EFF_FLAG; + } + + cf->can_dlc = get_can_dlc(msg->u.rx_can.msg[5]); + + if (msg->u.rx_can.flag & MSG_FLAG_REMOTE_FRAME) + cf->can_id |= CAN_RTR_FLAG; + else + memcpy(cf->data, &msg->u.rx_can.msg[6], + cf->can_dlc); + } netif_rx(skb); @@ -911,6 +937,7 @@ static void kvaser_usb_handle_message(const struct kvaser_usb *dev, case CMD_RX_STD_MESSAGE: case CMD_RX_EXT_MESSAGE: + case CMD_LOG_MESSAGE: kvaser_usb_rx_can_msg(dev, msg); break; @@ -919,11 +946,6 @@ static void kvaser_usb_handle_message(const struct kvaser_usb *dev, kvaser_usb_rx_error(dev, msg); break; - case CMD_LOG_MESSAGE: - if (msg->u.log_message.flags & MSG_FLAG_ERROR_FRAME) - kvaser_usb_rx_error(dev, msg); - break; - case CMD_TX_ACKNOWLEDGE: kvaser_usb_tx_acknowledge(dev, msg); break; diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 17a9727..6f42e57 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -2921,6 +2921,31 @@ static int tg3_5700_link_polarity(struct tg3 *tp, u32 speed) return 0; } +static bool tg3_phy_power_bug(struct tg3 *tp) +{ + switch (tg3_asic_rev(tp)) { + case ASIC_REV_5700: + case ASIC_REV_5704: + return true; + case ASIC_REV_5780: + if (tp->phy_flags & TG3_PHYFLG_MII_SERDES) + return true; + return false; + case ASIC_REV_5717: + if (!tp->pci_fn) + return true; + return false; + case ASIC_REV_5719: + case ASIC_REV_5720: + if ((tp->phy_flags & TG3_PHYFLG_PHY_SERDES) && + !tp->pci_fn) + return true; + return false; + } + + return false; +} + static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power) { u32 val; @@ -2977,12 +3002,7 @@ static void tg3_power_down_phy(struct tg3 *tp, bool do_low_power) /* The PHY should not be powered down on some chips because * of bugs. */ - if (tg3_asic_rev(tp) == ASIC_REV_5700 || - tg3_asic_rev(tp) == ASIC_REV_5704 || - (tg3_asic_rev(tp) == ASIC_REV_5780 && - (tp->phy_flags & TG3_PHYFLG_MII_SERDES)) || - (tg3_asic_rev(tp) == ASIC_REV_5717 && - !tp->pci_fn)) + if (tg3_phy_power_bug(tp)) return; if (tg3_chip_rev(tp) == CHIPREV_5784_AX || @@ -7058,6 +7078,20 @@ static inline int tg3_4g_overflow_test(dma_addr_t mapping, int len) return (base > 0xffffdcc0) && (base + len + 8 < base); } +/* Test for TSO DMA buffers that cross into regions which are within MSS bytes + * of any 4GB boundaries: 4G, 8G, etc + */ +static inline int tg3_4g_tso_overflow_test(struct tg3 *tp, dma_addr_t mapping, + u32 len, u32 mss) +{ + if (tg3_asic_rev(tp) == ASIC_REV_5762 && mss) { + u32 base = (u32) mapping & 0xffffffff; + + return ((base + len + (mss & 0x3fff)) < base); + } + return 0; +} + /* Test for DMA addresses > 40-bit */ static inline int tg3_40bit_overflow_test(struct tg3 *tp, dma_addr_t mapping, int len) @@ -7094,6 +7128,9 @@ static bool tg3_tx_frag_set(struct tg3_napi *tnapi, u32 *entry, u32 *budget, if (tg3_4g_overflow_test(map, len)) hwbug = true; + if (tg3_4g_tso_overflow_test(tp, map, len, mss)) + hwbug = true; + if (tg3_40bit_overflow_test(tp, map, len)) hwbug = true; @@ -9056,6 +9093,14 @@ static void tg3_rss_write_indir_tbl(struct tg3 *tp) } } +static inline u32 tg3_lso_rd_dma_workaround_bit(struct tg3 *tp) +{ + if (tg3_asic_rev(tp) == ASIC_REV_5719) + return TG3_LSO_RD_DMA_TX_LENGTH_WA_5719; + else + return TG3_LSO_RD_DMA_TX_LENGTH_WA_5720; +} + /* tp->lock is held. */ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) { @@ -9735,16 +9780,17 @@ static int tg3_reset_hw(struct tg3 *tp, int reset_phy) tw32_f(RDMAC_MODE, rdmac_mode); udelay(40); - if (tg3_asic_rev(tp) == ASIC_REV_5719) { + if (tg3_asic_rev(tp) == ASIC_REV_5719 || + tg3_asic_rev(tp) == ASIC_REV_5720) { for (i = 0; i < TG3_NUM_RDMA_CHANNELS; i++) { if (tr32(TG3_RDMA_LENGTH + (i << 2)) > TG3_MAX_MTU(tp)) break; } if (i < TG3_NUM_RDMA_CHANNELS) { val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL); - val |= TG3_LSO_RD_DMA_TX_LENGTH_WA; + val |= tg3_lso_rd_dma_workaround_bit(tp); tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val); - tg3_flag_set(tp, 5719_RDMA_BUG); + tg3_flag_set(tp, 5719_5720_RDMA_BUG); } } @@ -10101,15 +10147,15 @@ static void tg3_periodic_fetch_stats(struct tg3 *tp) TG3_STAT_ADD32(&sp->tx_ucast_packets, MAC_TX_STATS_UCAST); TG3_STAT_ADD32(&sp->tx_mcast_packets, MAC_TX_STATS_MCAST); TG3_STAT_ADD32(&sp->tx_bcast_packets, MAC_TX_STATS_BCAST); - if (unlikely(tg3_flag(tp, 5719_RDMA_BUG) && + if (unlikely(tg3_flag(tp, 5719_5720_RDMA_BUG) && (sp->tx_ucast_packets.low + sp->tx_mcast_packets.low + sp->tx_bcast_packets.low) > TG3_NUM_RDMA_CHANNELS)) { u32 val; val = tr32(TG3_LSO_RD_DMA_CRPTEN_CTRL); - val &= ~TG3_LSO_RD_DMA_TX_LENGTH_WA; + val &= ~tg3_lso_rd_dma_workaround_bit(tp); tw32(TG3_LSO_RD_DMA_CRPTEN_CTRL, val); - tg3_flag_clear(tp, 5719_RDMA_BUG); + tg3_flag_clear(tp, 5719_5720_RDMA_BUG); } TG3_STAT_ADD32(&sp->rx_octets, MAC_RX_STATS_OCTETS); diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h index 8d7d4c2..25309bf 100644 --- a/drivers/net/ethernet/broadcom/tg3.h +++ b/drivers/net/ethernet/broadcom/tg3.h @@ -1422,7 +1422,8 @@ #define TG3_LSO_RD_DMA_CRPTEN_CTRL 0x00004910 #define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_BD_4K 0x00030000 #define TG3_LSO_RD_DMA_CRPTEN_CTRL_BLEN_LSO_4K 0x000c0000 -#define TG3_LSO_RD_DMA_TX_LENGTH_WA 0x02000000 +#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5719 0x02000000 +#define TG3_LSO_RD_DMA_TX_LENGTH_WA_5720 0x00200000 /* 0x4914 --> 0x4be0 unused */ #define TG3_NUM_RDMA_CHANNELS 4 @@ -3043,7 +3044,7 @@ enum TG3_FLAGS { TG3_FLAG_APE_HAS_NCSI, TG3_FLAG_TX_TSTAMP_EN, TG3_FLAG_4K_FIFO_LIMIT, - TG3_FLAG_5719_RDMA_BUG, + TG3_FLAG_5719_5720_RDMA_BUG, TG3_FLAG_RESET_TASK_PENDING, TG3_FLAG_PTP_CAPABLE, TG3_FLAG_5705_PLUS, diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index f76c3ca..21fa267 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -965,7 +965,7 @@ static void ar9003_hw_do_manual_peak_cal(struct ath_hw *ah, { int i; - if (!AR_SREV_9462(ah) && !AR_SREV_9565(ah)) + if (!AR_SREV_9462(ah) && !AR_SREV_9565(ah) && !AR_SREV_9485(ah)) return; for (i = 0; i < AR9300_MAX_CHAINS; i++) { diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h index 54ba42f..874f657 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.h @@ -68,13 +68,16 @@ #define AR9300_BASE_ADDR 0x3ff #define AR9300_BASE_ADDR_512 0x1ff -#define AR9300_OTP_BASE (AR_SREV_9340(ah) ? 0x30000 : 0x14000) -#define AR9300_OTP_STATUS (AR_SREV_9340(ah) ? 0x30018 : 0x15f18) +#define AR9300_OTP_BASE \ + ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30000 : 0x14000) +#define AR9300_OTP_STATUS \ + ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x30018 : 0x15f18) #define AR9300_OTP_STATUS_TYPE 0x7 #define AR9300_OTP_STATUS_VALID 0x4 #define AR9300_OTP_STATUS_ACCESS_BUSY 0x2 #define AR9300_OTP_STATUS_SM_BUSY 0x1 -#define AR9300_OTP_READ_DATA (AR_SREV_9340(ah) ? 0x3001c : 0x15f1c) +#define AR9300_OTP_READ_DATA \ + ((AR_SREV_9340(ah) || AR_SREV_9550(ah)) ? 0x3001c : 0x15f1c) enum targetPowerHTRates { HT_TARGET_RATE_0_8_16, diff --git a/drivers/net/wireless/ath/ath9k/ar9485_initvals.h b/drivers/net/wireless/ath/ath9k/ar9485_initvals.h index 712f415..88ff1d7 100644 --- a/drivers/net/wireless/ath/ath9k/ar9485_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9485_initvals.h @@ -1020,7 +1020,7 @@ static const u32 ar9485_1_1_baseband_postamble[][5] = { {0x0000a284, 0x00000000, 0x00000000, 0x000002a0, 0x000002a0}, {0x0000a288, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, {0x0000a28c, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, - {0x0000a2c4, 0x00158d18, 0x00158d18, 0x00158d18, 0x00158d18}, + {0x0000a2c4, 0x00158d18, 0x00158d18, 0x00058d18, 0x00058d18}, {0x0000a2d0, 0x00071981, 0x00071981, 0x00071982, 0x00071982}, {0x0000a2d8, 0xf999a83a, 0xf999a83a, 0xf999a83a, 0xf999a83a}, {0x0000a358, 0x00000000, 0x00000000, 0x00000000, 0x00000000}, diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 3714b97..f25a320 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -2003,6 +2003,14 @@ void ath9k_get_et_stats(struct ieee80211_hw *hw, WARN_ON(i != ATH9K_SSTATS_LEN); } +void ath9k_deinit_debug(struct ath_softc *sc) +{ + if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) { + relay_close(sc->rfs_chan_spec_scan); + sc->rfs_chan_spec_scan = NULL; + } +} + int ath9k_init_debug(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index 410d6d8..f939457 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -302,6 +302,7 @@ struct ath9k_debug { }; int ath9k_init_debug(struct ath_hw *ah); +void ath9k_deinit_debug(struct ath_softc *sc); void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status); void ath_debug_stat_tx(struct ath_softc *sc, struct ath_buf *bf, @@ -337,6 +338,10 @@ static inline int ath9k_init_debug(struct ath_hw *ah) return 0; } +static inline void ath9k_deinit_debug(struct ath_softc *sc) +{ +} + static inline void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) { diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index af932c9..26db547 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -885,7 +885,7 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, if (!ath_is_world_regd(reg)) { error = regulatory_hint(hw->wiphy, reg->alpha2); if (error) - goto unregister; + goto debug_cleanup; } ath_init_leds(sc); @@ -893,6 +893,8 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, return 0; +debug_cleanup: + ath9k_deinit_debug(sc); unregister: ieee80211_unregister_hw(hw); rx_cleanup: @@ -921,11 +923,6 @@ static void ath9k_deinit_softc(struct ath_softc *sc) sc->dfs_detector->exit(sc->dfs_detector); ath9k_eeprom_release(sc); - - if (config_enabled(CONFIG_ATH9K_DEBUGFS) && sc->rfs_chan_spec_scan) { - relay_close(sc->rfs_chan_spec_scan); - sc->rfs_chan_spec_scan = NULL; - } } void ath9k_deinit_device(struct ath_softc *sc) @@ -939,6 +936,7 @@ void ath9k_deinit_device(struct ath_softc *sc) ath9k_ps_restore(sc); + ath9k_deinit_debug(sc); ieee80211_unregister_hw(hw); ath_rx_cleanup(sc); ath9k_deinit_softc(sc); diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c index db183b4..c3c13ce 100644 --- a/drivers/net/wireless/iwlwifi/dvm/sta.c +++ b/drivers/net/wireless/iwlwifi/dvm/sta.c @@ -735,7 +735,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx) memcpy(&lq, priv->stations[i].lq, sizeof(struct iwl_link_quality_cmd)); - if (!memcmp(&lq, &zero_lq, sizeof(lq))) + if (memcmp(&lq, &zero_lq, sizeof(lq))) send_lq = true; } spin_unlock_bh(&priv->sta_lock); diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h index 2adb61f..4464382 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h +++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h @@ -165,6 +165,8 @@ enum { REPLY_DEBUG_CMD = 0xf0, DEBUG_LOG_MSG = 0xf7, + MCAST_FILTER_CMD = 0xd0, + /* D3 commands/notifications */ D3_CONFIG_CMD = 0xd3, PROT_OFFLOAD_CONFIG_CMD = 0xd4, @@ -951,4 +953,29 @@ struct iwl_set_calib_default_cmd { u8 data[0]; } __packed; /* PHY_CALIB_OVERRIDE_VALUES_S */ +#define MAX_PORT_ID_NUM 2 + +/** + * struct iwl_mcast_filter_cmd - configure multicast filter. + * @filter_own: Set 1 to filter out multicast packets sent by station itself + * @port_id: Multicast MAC addresses array specifier. This is a strange way + * to identify network interface adopted in host-device IF. + * It is used by FW as index in array of addresses. This array has + * MAX_PORT_ID_NUM members. + * @count: Number of MAC addresses in the array + * @pass_all: Set 1 to pass all multicast packets. + * @bssid: current association BSSID. + * @addr_list: Place holder for array of MAC addresses. + * IMPORTANT: add padding if necessary to ensure DWORD alignment. + */ +struct iwl_mcast_filter_cmd { + u8 filter_own; + u8 port_id; + u8 count; + u8 pass_all; + u8 bssid[6]; + u8 reserved[2]; + u8 addr_list[0]; +} __packed; /* MCAST_FILTERING_CMD_API_S_VER_1 */ + #endif /* __fw_api_h__ */ diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c index 341dbc0..bf76b17 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c @@ -586,10 +586,12 @@ static int iwl_mvm_mac_ctxt_send_cmd(struct iwl_mvm *mvm, */ static void iwl_mvm_mac_ctxt_cmd_fill_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif, - struct iwl_mac_data_sta *ctxt_sta) + struct iwl_mac_data_sta *ctxt_sta, + bool force_assoc_off) { /* We need the dtim_period to set the MAC as associated */ - if (vif->bss_conf.assoc && vif->bss_conf.dtim_period) { + if (vif->bss_conf.assoc && vif->bss_conf.dtim_period && + !force_assoc_off) { u32 dtim_offs; /* @@ -652,7 +654,8 @@ static int iwl_mvm_mac_ctxt_cmd_station(struct iwl_mvm *mvm, iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); /* Fill the data specific for station mode */ - iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.sta); + iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.sta, + action == FW_CTXT_ACTION_ADD); return iwl_mvm_mac_ctxt_send_cmd(mvm, &cmd); } @@ -669,7 +672,8 @@ static int iwl_mvm_mac_ctxt_cmd_p2p_client(struct iwl_mvm *mvm, iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action); /* Fill the data specific for station mode */ - iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta); + iwl_mvm_mac_ctxt_cmd_fill_sta(mvm, vif, &cmd.p2p_sta.sta, + action == FW_CTXT_ACTION_ADD); cmd.p2p_sta.ctwin = cpu_to_le32(vif->bss_conf.p2p_ctwindow); diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 7e169b0..8572358 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -82,15 +82,6 @@ static const struct ieee80211_iface_limit iwl_mvm_limits[] = { .types = BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_AP), }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_P2P_GO), - }, - { - .max = 1, - .types = BIT(NL80211_IFTYPE_P2P_DEVICE), - }, }; static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = { @@ -136,10 +127,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->chanctx_data_size = sizeof(struct iwl_mvm_phy_ctxt); hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_P2P_CLIENT) | - BIT(NL80211_IFTYPE_AP) | - BIT(NL80211_IFTYPE_P2P_GO) | - BIT(NL80211_IFTYPE_P2P_DEVICE); + BIT(NL80211_IFTYPE_AP); hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS | @@ -657,6 +645,20 @@ static void iwl_mvm_configure_filter(struct ieee80211_hw *hw, *total_flags = 0; } +static int iwl_mvm_configure_mcast_filter(struct iwl_mvm *mvm, + struct ieee80211_vif *vif) +{ + struct iwl_mcast_filter_cmd mcast_filter_cmd = { + .pass_all = 1, + }; + + memcpy(mcast_filter_cmd.bssid, vif->bss_conf.bssid, ETH_ALEN); + + return iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, + sizeof(mcast_filter_cmd), + &mcast_filter_cmd); +} + static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, @@ -677,6 +679,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm, IWL_ERR(mvm, "failed to update quotas\n"); return; } + iwl_mvm_configure_mcast_filter(mvm, vif); } else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) { /* remove AP station now that the MAC is unassoc */ ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id); @@ -886,7 +889,7 @@ static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, switch (cmd) { case STA_NOTIFY_SLEEP: - if (atomic_read(&mvmsta->pending_frames) > 0) + if (atomic_read(&mvm->pending_frames[mvmsta->sta_id]) > 0) ieee80211_sta_block_awake(hw, sta, true); /* * The fw updates the STA to be asleep. Tx packets on the Tx diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h index bdae700..dc59ef5 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h @@ -293,6 +293,7 @@ struct iwl_mvm { struct ieee80211_sta __rcu *fw_id_to_mac_id[IWL_MVM_STATION_COUNT]; struct work_struct sta_drained_wk; unsigned long sta_drained[BITS_TO_LONGS(IWL_MVM_STATION_COUNT)]; + atomic_t pending_frames[IWL_MVM_STATION_COUNT]; /* configured by mac80211 */ u32 rts_threshold; diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c index d0f9c1e..ddac833 100644 --- a/drivers/net/wireless/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/iwlwifi/mvm/ops.c @@ -293,6 +293,7 @@ static const char *iwl_mvm_cmd_strings[REPLY_MAX] = { CMD(NET_DETECT_PROFILES_CMD), CMD(NET_DETECT_HOTSPOTS_CMD), CMD(NET_DETECT_HOTSPOTS_QUERY_CMD), + CMD(MCAST_FILTER_CMD), }; #undef CMD diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c index 9b21b92..5c52faa 100644 --- a/drivers/net/wireless/iwlwifi/mvm/scan.c +++ b/drivers/net/wireless/iwlwifi/mvm/scan.c @@ -298,6 +298,12 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm, else cmd->type = cpu_to_le32(SCAN_TYPE_FORCED); + /* + * TODO: This is a WA due to a bug in the FW AUX framework that does not + * properly handle time events that fail to be scheduled + */ + cmd->type = cpu_to_le32(SCAN_TYPE_FORCED); + cmd->repeats = cpu_to_le32(1); /* diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c index 274f44e..7b8644e 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/iwlwifi/mvm/sta.c @@ -172,7 +172,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm, mvm_sta->max_agg_bufsize = LINK_QUAL_AGG_FRAME_LIMIT_DEF; /* HW restart, don't assume the memory has been zeroed */ - atomic_set(&mvm_sta->pending_frames, 0); + atomic_set(&mvm->pending_frames[sta_id], 0); mvm_sta->tid_disable_agg = 0; mvm_sta->tfd_queue_msk = 0; for (i = 0; i < IEEE80211_NUM_ACS; i++) @@ -360,14 +360,21 @@ int iwl_mvm_rm_sta(struct iwl_mvm *mvm, } /* + * Make sure that the tx response code sees the station as -EBUSY and + * calls the drain worker. + */ + spin_lock_bh(&mvm_sta->lock); + /* * There are frames pending on the AC queues for this station. * We need to wait until all the frames are drained... */ - if (atomic_read(&mvm_sta->pending_frames)) { - ret = iwl_mvm_drain_sta(mvm, mvm_sta, true); + if (atomic_read(&mvm->pending_frames[mvm_sta->sta_id])) { rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], ERR_PTR(-EBUSY)); + spin_unlock_bh(&mvm_sta->lock); + ret = iwl_mvm_drain_sta(mvm, mvm_sta, true); } else { + spin_unlock_bh(&mvm_sta->lock); ret = iwl_mvm_rm_sta_common(mvm, mvm_sta->sta_id); rcu_assign_pointer(mvm->fw_id_to_mac_id[mvm_sta->sta_id], NULL); } diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h index 896f88a..2dbf7ba 100644 --- a/drivers/net/wireless/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/iwlwifi/mvm/sta.h @@ -273,7 +273,6 @@ struct iwl_mvm_tid_data { * @max_agg_bufsize: the maximal size of the AGG buffer for this station * @lock: lock to protect the whole struct. Since %tid_data is access from Tx * and from Tx response flow, it needs a spinlock. - * @pending_frames: number of frames for this STA on the shared Tx queues. * @tid_data: per tid data. Look at %iwl_mvm_tid_data. * * When mac80211 creates a station it reserves some space (hw->sta_data_size) @@ -288,7 +287,6 @@ struct iwl_mvm_sta { u16 tid_disable_agg; u8 max_agg_bufsize; spinlock_t lock; - atomic_t pending_frames; struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT]; struct iwl_lq_sta lq_sta; struct ieee80211_vif *vif; diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c index 6645efe..44f26f4 100644 --- a/drivers/net/wireless/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/iwlwifi/mvm/tx.c @@ -416,9 +416,8 @@ int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb, spin_unlock(&mvmsta->lock); - if (mvmsta->vif->type == NL80211_IFTYPE_AP && - txq_id < IWL_FIRST_AMPDU_QUEUE) - atomic_inc(&mvmsta->pending_frames); + if (txq_id < IWL_FIRST_AMPDU_QUEUE) + atomic_inc(&mvm->pending_frames[mvmsta->sta_id]); return 0; @@ -678,16 +677,41 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, /* * If the txq is not an AMPDU queue, there is no chance we freed * several skbs. Check that out... - * If there are no pending frames for this STA, notify mac80211 that - * this station can go to sleep in its STA table. */ - if (txq_id < IWL_FIRST_AMPDU_QUEUE && mvmsta && - !WARN_ON(skb_freed > 1) && - mvmsta->vif->type == NL80211_IFTYPE_AP && - atomic_sub_and_test(skb_freed, &mvmsta->pending_frames)) { - ieee80211_sta_block_awake(mvm->hw, sta, false); - set_bit(sta_id, mvm->sta_drained); - schedule_work(&mvm->sta_drained_wk); + if (txq_id < IWL_FIRST_AMPDU_QUEUE && !WARN_ON(skb_freed > 1) && + atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) { + if (mvmsta) { + /* + * If there are no pending frames for this STA, notify + * mac80211 that this station can go to sleep in its + * STA table. + */ + if (mvmsta->vif->type == NL80211_IFTYPE_AP) + ieee80211_sta_block_awake(mvm->hw, sta, false); + /* + * We might very well have taken mvmsta pointer while + * the station was being removed. The remove flow might + * have seen a pending_frame (because we didn't take + * the lock) even if now the queues are drained. So make + * really sure now that this the station is not being + * removed. If it is, run the drain worker to remove it. + */ + spin_lock_bh(&mvmsta->lock); + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); + if (IS_ERR_OR_NULL(sta)) { + /* + * Station disappeared in the meantime: + * so we are draining. + */ + set_bit(sta_id, mvm->sta_drained); + schedule_work(&mvm->sta_drained_wk); + } + spin_unlock_bh(&mvmsta->lock); + } else if (!mvmsta) { + /* Tx response without STA, so we are draining */ + set_bit(sta_id, mvm->sta_drained); + schedule_work(&mvm->sta_drained_wk); + } } rcu_read_unlock(); diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index cffdf4f..2b49f48 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -2118,7 +2118,6 @@ static const struct ieee80211_iface_limit hwsim_if_limits[] = { #endif BIT(NL80211_IFTYPE_AP) | BIT(NL80211_IFTYPE_P2P_GO) }, - { .max = 1, .types = BIT(NL80211_IFTYPE_P2P_DEVICE) }, }; static struct ieee80211_iface_combination hwsim_if_comb = { @@ -2230,8 +2229,7 @@ static int __init init_mac80211_hwsim(void) BIT(NL80211_IFTYPE_P2P_CLIENT) | BIT(NL80211_IFTYPE_P2P_GO) | BIT(NL80211_IFTYPE_ADHOC) | - BIT(NL80211_IFTYPE_MESH_POINT) | - BIT(NL80211_IFTYPE_P2P_DEVICE); + BIT(NL80211_IFTYPE_MESH_POINT); hw->flags = IEEE80211_HW_MFP_CAPABLE | IEEE80211_HW_SIGNAL_DBM | diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index cd49ba9..8099e9d 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -47,11 +47,33 @@ #include #include +/* + * This is the maximum slots a skb can have. If a guest sends a skb + * which exceeds this limit it is considered malicious. + */ +#define FATAL_SKB_SLOTS_DEFAULT 20 +static unsigned int fatal_skb_slots = FATAL_SKB_SLOTS_DEFAULT; +module_param(fatal_skb_slots, uint, 0444); + +/* + * To avoid confusion, we define XEN_NETBK_LEGACY_SLOTS_MAX indicating + * the maximum slots a valid packet can use. Now this value is defined + * to be XEN_NETIF_NR_SLOTS_MIN, which is supposed to be supported by + * all backend. + */ +#define XEN_NETBK_LEGACY_SLOTS_MAX XEN_NETIF_NR_SLOTS_MIN + +typedef unsigned int pending_ring_idx_t; +#define INVALID_PENDING_RING_IDX (~0U) + struct pending_tx_info { - struct xen_netif_tx_request req; + struct xen_netif_tx_request req; /* coalesced tx request */ struct xenvif *vif; + pending_ring_idx_t head; /* head != INVALID_PENDING_RING_IDX + * if it is head of one or more tx + * reqs + */ }; -typedef unsigned int pending_ring_idx_t; struct netbk_rx_meta { int id; @@ -102,7 +124,11 @@ struct xen_netbk { atomic_t netfront_count; struct pending_tx_info pending_tx_info[MAX_PENDING_REQS]; - struct gnttab_copy tx_copy_ops[MAX_PENDING_REQS]; + /* Coalescing tx requests before copying makes number of grant + * copy ops greater or equal to number of slots required. In + * worst case a tx request consumes 2 gnttab_copy. + */ + struct gnttab_copy tx_copy_ops[2*MAX_PENDING_REQS]; u16 pending_ring[MAX_PENDING_REQS]; @@ -118,6 +144,16 @@ struct xen_netbk { static struct xen_netbk *xen_netbk; static int xen_netbk_group_nr; +/* + * If head != INVALID_PENDING_RING_IDX, it means this tx request is head of + * one or more merged tx requests, otherwise it is the continuation of + * previous tx request. + */ +static inline int pending_tx_is_head(struct xen_netbk *netbk, RING_IDX idx) +{ + return netbk->pending_tx_info[idx].head != INVALID_PENDING_RING_IDX; +} + void xen_netbk_add_xenvif(struct xenvif *vif) { int i; @@ -250,6 +286,7 @@ static int max_required_rx_slots(struct xenvif *vif) { int max = DIV_ROUND_UP(vif->dev->mtu, PAGE_SIZE); + /* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */ if (vif->can_sg || vif->gso || vif->gso_prefix) max += MAX_SKB_FRAGS + 1; /* extra_info + frags */ @@ -657,6 +694,7 @@ static void xen_netbk_rx_action(struct xen_netbk *netbk) __skb_queue_tail(&rxq, skb); /* Filled the batch queue? */ + /* XXX FIXME: RX path dependent on MAX_SKB_FRAGS */ if (count + MAX_SKB_FRAGS >= XEN_NETIF_RX_RING_SIZE) break; } @@ -902,47 +940,99 @@ static int netbk_count_requests(struct xenvif *vif, int work_to_do) { RING_IDX cons = vif->tx.req_cons; - int frags = 0; + int slots = 0; + int drop_err = 0; + int more_data; if (!(first->flags & XEN_NETTXF_more_data)) return 0; do { - if (frags >= work_to_do) { - netdev_err(vif->dev, "Need more frags\n"); + struct xen_netif_tx_request dropped_tx = { 0 }; + + if (slots >= work_to_do) { + netdev_err(vif->dev, + "Asked for %d slots but exceeds this limit\n", + work_to_do); netbk_fatal_tx_err(vif); return -ENODATA; } - if (unlikely(frags >= MAX_SKB_FRAGS)) { - netdev_err(vif->dev, "Too many frags\n"); + /* This guest is really using too many slots and + * considered malicious. + */ + if (unlikely(slots >= fatal_skb_slots)) { + netdev_err(vif->dev, + "Malicious frontend using %d slots, threshold %u\n", + slots, fatal_skb_slots); netbk_fatal_tx_err(vif); return -E2BIG; } - memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + frags), + /* Xen network protocol had implicit dependency on + * MAX_SKB_FRAGS. XEN_NETBK_LEGACY_SLOTS_MAX is set to + * the historical MAX_SKB_FRAGS value 18 to honor the + * same behavior as before. Any packet using more than + * 18 slots but less than fatal_skb_slots slots is + * dropped + */ + if (!drop_err && slots >= XEN_NETBK_LEGACY_SLOTS_MAX) { + if (net_ratelimit()) + netdev_dbg(vif->dev, + "Too many slots (%d) exceeding limit (%d), dropping packet\n", + slots, XEN_NETBK_LEGACY_SLOTS_MAX); + drop_err = -E2BIG; + } + + if (drop_err) + txp = &dropped_tx; + + memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + slots), sizeof(*txp)); - if (txp->size > first->size) { - netdev_err(vif->dev, "Frag is bigger than frame.\n"); - netbk_fatal_tx_err(vif); - return -EIO; + + /* If the guest submitted a frame >= 64 KiB then + * first->size overflowed and following slots will + * appear to be larger than the frame. + * + * This cannot be fatal error as there are buggy + * frontends that do this. + * + * Consume all slots and drop the packet. + */ + if (!drop_err && txp->size > first->size) { + if (net_ratelimit()) + netdev_dbg(vif->dev, + "Invalid tx request, slot size %u > remaining size %u\n", + txp->size, first->size); + drop_err = -EIO; } first->size -= txp->size; - frags++; + slots++; if (unlikely((txp->offset + txp->size) > PAGE_SIZE)) { - netdev_err(vif->dev, "txp->offset: %x, size: %u\n", + netdev_err(vif->dev, "Cross page boundary, txp->offset: %x, size: %u\n", txp->offset, txp->size); netbk_fatal_tx_err(vif); return -EINVAL; } - } while ((txp++)->flags & XEN_NETTXF_more_data); - return frags; + + more_data = txp->flags & XEN_NETTXF_more_data; + + if (!drop_err) + txp++; + + } while (more_data); + + if (drop_err) { + netbk_tx_err(vif, first, cons + slots); + return drop_err; + } + + return slots; } static struct page *xen_netbk_alloc_page(struct xen_netbk *netbk, - struct sk_buff *skb, u16 pending_idx) { struct page *page; @@ -963,48 +1053,114 @@ static struct gnttab_copy *xen_netbk_get_requests(struct xen_netbk *netbk, struct skb_shared_info *shinfo = skb_shinfo(skb); skb_frag_t *frags = shinfo->frags; u16 pending_idx = *((u16 *)skb->data); - int i, start; + u16 head_idx = 0; + int slot, start; + struct page *page; + pending_ring_idx_t index, start_idx = 0; + uint16_t dst_offset; + unsigned int nr_slots; + struct pending_tx_info *first = NULL; + + /* At this point shinfo->nr_frags is in fact the number of + * slots, which can be as large as XEN_NETBK_LEGACY_SLOTS_MAX. + */ + nr_slots = shinfo->nr_frags; /* Skip first skb fragment if it is on same page as header fragment. */ start = (frag_get_pending_idx(&shinfo->frags[0]) == pending_idx); - for (i = start; i < shinfo->nr_frags; i++, txp++) { - struct page *page; - pending_ring_idx_t index; + /* Coalesce tx requests, at this point the packet passed in + * should be <= 64K. Any packets larger than 64K have been + * handled in netbk_count_requests(). + */ + for (shinfo->nr_frags = slot = start; slot < nr_slots; + shinfo->nr_frags++) { struct pending_tx_info *pending_tx_info = netbk->pending_tx_info; - index = pending_index(netbk->pending_cons++); - pending_idx = netbk->pending_ring[index]; - page = xen_netbk_alloc_page(netbk, skb, pending_idx); + page = alloc_page(GFP_KERNEL|__GFP_COLD); if (!page) goto err; - gop->source.u.ref = txp->gref; - gop->source.domid = vif->domid; - gop->source.offset = txp->offset; - - gop->dest.u.gmfn = virt_to_mfn(page_address(page)); - gop->dest.domid = DOMID_SELF; - gop->dest.offset = txp->offset; - - gop->len = txp->size; - gop->flags = GNTCOPY_source_gref; + dst_offset = 0; + first = NULL; + while (dst_offset < PAGE_SIZE && slot < nr_slots) { + gop->flags = GNTCOPY_source_gref; + + gop->source.u.ref = txp->gref; + gop->source.domid = vif->domid; + gop->source.offset = txp->offset; + + gop->dest.domid = DOMID_SELF; + + gop->dest.offset = dst_offset; + gop->dest.u.gmfn = virt_to_mfn(page_address(page)); + + if (dst_offset + txp->size > PAGE_SIZE) { + /* This page can only merge a portion + * of tx request. Do not increment any + * pointer / counter here. The txp + * will be dealt with in future + * rounds, eventually hitting the + * `else` branch. + */ + gop->len = PAGE_SIZE - dst_offset; + txp->offset += gop->len; + txp->size -= gop->len; + dst_offset += gop->len; /* quit loop */ + } else { + /* This tx request can be merged in the page */ + gop->len = txp->size; + dst_offset += gop->len; + + index = pending_index(netbk->pending_cons++); + + pending_idx = netbk->pending_ring[index]; + + memcpy(&pending_tx_info[pending_idx].req, txp, + sizeof(*txp)); + xenvif_get(vif); + + pending_tx_info[pending_idx].vif = vif; + + /* Poison these fields, corresponding + * fields for head tx req will be set + * to correct values after the loop. + */ + netbk->mmap_pages[pending_idx] = (void *)(~0UL); + pending_tx_info[pending_idx].head = + INVALID_PENDING_RING_IDX; + + if (!first) { + first = &pending_tx_info[pending_idx]; + start_idx = index; + head_idx = pending_idx; + } + + txp++; + slot++; + } - gop++; + gop++; + } - memcpy(&pending_tx_info[pending_idx].req, txp, sizeof(*txp)); - xenvif_get(vif); - pending_tx_info[pending_idx].vif = vif; - frag_set_pending_idx(&frags[i], pending_idx); + first->req.offset = 0; + first->req.size = dst_offset; + first->head = start_idx; + set_page_ext(page, netbk, head_idx); + netbk->mmap_pages[head_idx] = page; + frag_set_pending_idx(&frags[shinfo->nr_frags], head_idx); } + BUG_ON(shinfo->nr_frags > MAX_SKB_FRAGS); + return gop; err: /* Unwind, freeing all pages and sending error responses. */ - while (i-- > start) { - xen_netbk_idx_release(netbk, frag_get_pending_idx(&frags[i]), - XEN_NETIF_RSP_ERROR); + while (shinfo->nr_frags-- > start) { + xen_netbk_idx_release(netbk, + frag_get_pending_idx(&frags[shinfo->nr_frags]), + XEN_NETIF_RSP_ERROR); } /* The head too, if necessary. */ if (start) @@ -1020,8 +1176,10 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk, struct gnttab_copy *gop = *gopp; u16 pending_idx = *((u16 *)skb->data); struct skb_shared_info *shinfo = skb_shinfo(skb); + struct pending_tx_info *tx_info; int nr_frags = shinfo->nr_frags; int i, err, start; + u16 peek; /* peek into next tx request */ /* Check status of header. */ err = gop->status; @@ -1033,11 +1191,20 @@ static int xen_netbk_tx_check_gop(struct xen_netbk *netbk, for (i = start; i < nr_frags; i++) { int j, newerr; + pending_ring_idx_t head; pending_idx = frag_get_pending_idx(&shinfo->frags[i]); + tx_info = &netbk->pending_tx_info[pending_idx]; + head = tx_info->head; /* Check error status: if okay then remember grant handle. */ - newerr = (++gop)->status; + do { + newerr = (++gop)->status; + if (newerr) + break; + peek = netbk->pending_ring[pending_index(++head)]; + } while (!pending_tx_is_head(netbk, peek)); + if (likely(!newerr)) { /* Had a previous error? Invalidate this fragment. */ if (unlikely(err)) @@ -1262,11 +1429,12 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) struct sk_buff *skb; int ret; - while (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) && + while ((nr_pending_reqs(netbk) + XEN_NETBK_LEGACY_SLOTS_MAX + < MAX_PENDING_REQS) && !list_empty(&netbk->net_schedule_list)) { struct xenvif *vif; struct xen_netif_tx_request txreq; - struct xen_netif_tx_request txfrags[MAX_SKB_FRAGS]; + struct xen_netif_tx_request txfrags[XEN_NETBK_LEGACY_SLOTS_MAX]; struct page *page; struct xen_netif_extra_info extras[XEN_NETIF_EXTRA_TYPE_MAX-1]; u16 pending_idx; @@ -1354,7 +1522,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) pending_idx = netbk->pending_ring[index]; data_len = (txreq.size > PKT_PROT_LEN && - ret < MAX_SKB_FRAGS) ? + ret < XEN_NETBK_LEGACY_SLOTS_MAX) ? PKT_PROT_LEN : txreq.size; skb = alloc_skb(data_len + NET_SKB_PAD + NET_IP_ALIGN, @@ -1381,7 +1549,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) } /* XXX could copy straight to head */ - page = xen_netbk_alloc_page(netbk, skb, pending_idx); + page = xen_netbk_alloc_page(netbk, pending_idx); if (!page) { kfree_skb(skb); netbk_tx_err(vif, &txreq, idx); @@ -1404,6 +1572,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk) memcpy(&netbk->pending_tx_info[pending_idx].req, &txreq, sizeof(txreq)); netbk->pending_tx_info[pending_idx].vif = vif; + netbk->pending_tx_info[pending_idx].head = index; *((u16 *)skb->data) = pending_idx; __skb_put(skb, data_len); @@ -1531,7 +1700,10 @@ static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx, { struct xenvif *vif; struct pending_tx_info *pending_tx_info; - pending_ring_idx_t index; + pending_ring_idx_t head; + u16 peek; /* peek into next tx request */ + + BUG_ON(netbk->mmap_pages[pending_idx] == (void *)(~0UL)); /* Already complete? */ if (netbk->mmap_pages[pending_idx] == NULL) @@ -1540,19 +1712,40 @@ static void xen_netbk_idx_release(struct xen_netbk *netbk, u16 pending_idx, pending_tx_info = &netbk->pending_tx_info[pending_idx]; vif = pending_tx_info->vif; + head = pending_tx_info->head; + + BUG_ON(!pending_tx_is_head(netbk, head)); + BUG_ON(netbk->pending_ring[pending_index(head)] != pending_idx); - make_tx_response(vif, &pending_tx_info->req, status); + do { + pending_ring_idx_t index; + pending_ring_idx_t idx = pending_index(head); + u16 info_idx = netbk->pending_ring[idx]; - index = pending_index(netbk->pending_prod++); - netbk->pending_ring[index] = pending_idx; + pending_tx_info = &netbk->pending_tx_info[info_idx]; + make_tx_response(vif, &pending_tx_info->req, status); - xenvif_put(vif); + /* Setting any number other than + * INVALID_PENDING_RING_IDX indicates this slot is + * starting a new packet / ending a previous packet. + */ + pending_tx_info->head = 0; + + index = pending_index(netbk->pending_prod++); + netbk->pending_ring[index] = netbk->pending_ring[info_idx]; + + xenvif_put(vif); + + peek = netbk->pending_ring[pending_index(++head)]; + + } while (!pending_tx_is_head(netbk, peek)); netbk->mmap_pages[pending_idx]->mapping = 0; put_page(netbk->mmap_pages[pending_idx]); netbk->mmap_pages[pending_idx] = NULL; } + static void make_tx_response(struct xenvif *vif, struct xen_netif_tx_request *txp, s8 st) @@ -1605,8 +1798,9 @@ static inline int rx_work_todo(struct xen_netbk *netbk) static inline int tx_work_todo(struct xen_netbk *netbk) { - if (((nr_pending_reqs(netbk) + MAX_SKB_FRAGS) < MAX_PENDING_REQS) && - !list_empty(&netbk->net_schedule_list)) + if ((nr_pending_reqs(netbk) + XEN_NETBK_LEGACY_SLOTS_MAX + < MAX_PENDING_REQS) && + !list_empty(&netbk->net_schedule_list)) return 1; return 0; @@ -1689,6 +1883,13 @@ static int __init netback_init(void) if (!xen_domain()) return -ENODEV; + if (fatal_skb_slots < XEN_NETBK_LEGACY_SLOTS_MAX) { + printk(KERN_INFO + "xen-netback: fatal_skb_slots too small (%d), bump it to XEN_NETBK_LEGACY_SLOTS_MAX (%d)\n", + fatal_skb_slots, XEN_NETBK_LEGACY_SLOTS_MAX); + fatal_skb_slots = XEN_NETBK_LEGACY_SLOTS_MAX; + } + xen_netbk_group_nr = num_online_cpus(); xen_netbk = vzalloc(sizeof(struct xen_netbk) * xen_netbk_group_nr); if (!xen_netbk) diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 7ffa43b..1f57423 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -36,7 +36,7 @@ #include #include #include -#include +#include #include #include #include @@ -548,6 +548,16 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) unsigned int len = skb_headlen(skb); unsigned long flags; + /* If skb->len is too big for wire format, drop skb and alert + * user about misconfiguration. + */ + if (unlikely(skb->len > XEN_NETIF_MAX_TX_SIZE)) { + net_alert_ratelimited( + "xennet: skb->len = %u, too big for wire format\n", + skb->len); + goto drop; + } + slots = DIV_ROUND_UP(offset + len, PAGE_SIZE) + xennet_count_skb_frag_slots(skb); if (unlikely(slots > MAX_SKB_FRAGS + 1)) { @@ -1064,7 +1074,8 @@ err: static int xennet_change_mtu(struct net_device *dev, int mtu) { - int max = xennet_can_sg(dev) ? 65535 - ETH_HLEN : ETH_DATA_LEN; + int max = xennet_can_sg(dev) ? + XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER : ETH_DATA_LEN; if (mtu > max) return -EINVAL; @@ -1368,6 +1379,8 @@ static struct net_device *xennet_create_dev(struct xenbus_device *dev) SET_ETHTOOL_OPS(netdev, &xennet_ethtool_ops); SET_NETDEV_DEV(netdev, &dev->dev); + netif_set_gso_max_size(netdev, XEN_NETIF_MAX_TX_SIZE - MAX_TCP_HEADER); + np->netdev = netdev; netif_carrier_off(netdev); diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c index 6faba40..a8b2c23 100644 --- a/drivers/rapidio/devices/tsi721.c +++ b/drivers/rapidio/devices/tsi721.c @@ -471,6 +471,10 @@ static irqreturn_t tsi721_irqhandler(int irq, void *ptr) u32 intval; u32 ch_inte; + /* For MSI mode disable all device-level interrupts */ + if (priv->flags & TSI721_USING_MSI) + iowrite32(0, priv->regs + TSI721_DEV_INTE); + dev_int = ioread32(priv->regs + TSI721_DEV_INT); if (!dev_int) return IRQ_NONE; @@ -560,6 +564,14 @@ static irqreturn_t tsi721_irqhandler(int irq, void *ptr) } } #endif + + /* For MSI mode re-enable device-level interrupts */ + if (priv->flags & TSI721_USING_MSI) { + dev_int = TSI721_DEV_INT_SR2PC_CH | TSI721_DEV_INT_SRIO | + TSI721_DEV_INT_SMSG_CH | TSI721_DEV_INT_BDMA_CH; + iowrite32(dev_int, priv->regs + TSI721_DEV_INTE); + } + return IRQ_HANDLED; } diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c index 39cf146..149fad4 100644 --- a/drivers/regulator/palmas-regulator.c +++ b/drivers/regulator/palmas-regulator.c @@ -677,7 +677,7 @@ static int palmas_probe(struct platform_device *pdev) pmic->desc[id].vsel_mask = SMPS10_VSEL; pmic->desc[id].enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, - PALMAS_SMPS10_STATUS); + PALMAS_SMPS10_CTRL); pmic->desc[id].enable_mask = SMPS10_BOOST_EN; pmic->desc[id].min_uV = 3750000; pmic->desc[id].uV_step = 1250000; diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 2197b57..7e64546 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -4777,7 +4777,7 @@ static int ipr_eh_host_reset(struct scsi_cmnd *cmd) ioa_cfg = (struct ipr_ioa_cfg *) cmd->device->host->hostdata; spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags); - if (!ioa_cfg->in_reset_reload) { + if (!ioa_cfg->in_reset_reload && !ioa_cfg->hrrq[IPR_INIT_HRRQ].ioa_is_dead) { ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_ABBREV); dev_err(&ioa_cfg->pdev->dev, "Adapter being reset as a result of error recovery.\n"); @@ -6739,6 +6739,7 @@ static int ipr_invalid_adapter(struct ipr_ioa_cfg *ioa_cfg) static int ipr_ioa_bringdown_done(struct ipr_cmnd *ipr_cmd) { struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + int i; ENTER; if (!ioa_cfg->hrrq[IPR_INIT_HRRQ].removing_ioa) { @@ -6750,6 +6751,13 @@ static int ipr_ioa_bringdown_done(struct ipr_cmnd *ipr_cmd) ioa_cfg->in_reset_reload = 0; ioa_cfg->reset_retries = 0; + for (i = 0; i < ioa_cfg->hrrq_num; i++) { + spin_lock(&ioa_cfg->hrrq[i]._lock); + ioa_cfg->hrrq[i].ioa_is_dead = 1; + spin_unlock(&ioa_cfg->hrrq[i]._lock); + } + wmb(); + list_add_tail(&ipr_cmd->queue, &ipr_cmd->hrrq->hrrq_free_q); wake_up_all(&ioa_cfg->reset_wait_q); LEAVE; @@ -8651,7 +8659,7 @@ static void ipr_pci_perm_failure(struct pci_dev *pdev) spin_lock_irqsave(ioa_cfg->host->host_lock, flags); if (ioa_cfg->sdt_state == WAIT_FOR_DUMP) ioa_cfg->sdt_state = ABORT_DUMP; - ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES; + ioa_cfg->reset_retries = IPR_NUM_RESET_RELOAD_RETRIES - 1; ioa_cfg->in_ioa_bringdown = 1; for (i = 0; i < ioa_cfg->hrrq_num; i++) { spin_lock(&ioa_cfg->hrrq[i]._lock); diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c index bc5e9da..a94e66f 100644 --- a/drivers/staging/vt6656/hostap.c +++ b/drivers/staging/vt6656/hostap.c @@ -133,7 +133,7 @@ static int hostap_disable_hostapd(struct vnt_private *pDevice, int rtnl_locked) DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n", pDevice->dev->name, pDevice->apdev->name); } - kfree(pDevice->apdev); + free_netdev(pDevice->apdev); pDevice->apdev = NULL; pDevice->bEnable8021x = false; pDevice->bEnableHostWEP = false; diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c index 69971f3..60b50d0 100644 --- a/drivers/staging/vt6656/iwctl.c +++ b/drivers/staging/vt6656/iwctl.c @@ -1348,9 +1348,12 @@ int iwctl_siwpower(struct net_device *dev, struct iw_request_info *info, return rc; } + spin_lock_irq(&pDevice->lock); + if (wrq->disabled) { pDevice->ePSMode = WMAC_POWER_CAM; PSvDisablePowerSaving(pDevice); + spin_unlock_irq(&pDevice->lock); return rc; } if ((wrq->flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { @@ -1361,6 +1364,9 @@ int iwctl_siwpower(struct net_device *dev, struct iw_request_info *info, pDevice->ePSMode = WMAC_POWER_FAST; PSvEnablePowerSaving((void *)pDevice, pMgmt->wListenInterval); } + + spin_unlock_irq(&pDevice->lock); + switch (wrq->flags & IW_POWER_MODE) { case IW_POWER_UNICAST_R: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO " SIOCSIWPOWER: IW_POWER_UNICAST_R \n"); diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index ca2be40..93ae910 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -712,9 +712,9 @@ static int iscsi_add_notunderstood_response( } INIT_LIST_HEAD(&extra_response->er_list); - strncpy(extra_response->key, key, strlen(key) + 1); - strncpy(extra_response->value, NOTUNDERSTOOD, - strlen(NOTUNDERSTOOD) + 1); + strlcpy(extra_response->key, key, sizeof(extra_response->key)); + strlcpy(extra_response->value, NOTUNDERSTOOD, + sizeof(extra_response->value)); list_add_tail(&extra_response->er_list, ¶m_list->extra_response_list); @@ -1583,8 +1583,6 @@ int iscsi_decode_text_input( if (phase & PHASE_SECURITY) { if (iscsi_check_for_auth_key(key) > 0) { - char *tmpptr = key + strlen(key); - *tmpptr = '='; kfree(tmpbuf); return 1; } diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h index 1e1b750..2c536a0 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.h +++ b/drivers/target/iscsi/iscsi_target_parameters.h @@ -1,8 +1,10 @@ #ifndef ISCSI_PARAMETERS_H #define ISCSI_PARAMETERS_H +#include + struct iscsi_extra_response { - char key[64]; + char key[KEY_MAXLEN]; char value[32]; struct list_head er_list; } ____cacheline_aligned; diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c index ca4b219..12191d8 100644 --- a/drivers/target/target_core_file.c +++ b/drivers/target/target_core_file.c @@ -150,6 +150,7 @@ static int fd_configure_device(struct se_device *dev) if (S_ISBLK(inode->i_mode)) { unsigned long long dev_size; + fd_dev->fd_block_size = bdev_logical_block_size(inode->i_bdev); /* * Determine the number of bytes from i_size_read() minus * one (1) logical sector from underlying struct block_device @@ -168,11 +169,11 @@ static int fd_configure_device(struct se_device *dev) " block_device\n"); goto fail; } - } - fd_dev->fd_block_size = dev->dev_attrib.hw_block_size; + fd_dev->fd_block_size = FD_BLOCKSIZE; + } - dev->dev_attrib.hw_block_size = FD_BLOCKSIZE; + dev->dev_attrib.hw_block_size = fd_dev->fd_block_size; dev->dev_attrib.hw_max_sectors = FD_MAX_SECTORS; dev->dev_attrib.hw_queue_depth = FD_MAX_DEVICE_QUEUE_DEPTH; @@ -583,11 +584,12 @@ static sector_t fd_get_blocks(struct se_device *dev) * to handle underlying block_device resize operations. */ if (S_ISBLK(i->i_mode)) - dev_size = (i_size_read(i) - fd_dev->fd_block_size); + dev_size = i_size_read(i); else dev_size = fd_dev->fd_dev_size; - return div_u64(dev_size, dev->dev_attrib.block_size); + return div_u64(dev_size - dev->dev_attrib.block_size, + dev->dev_attrib.block_size); } static struct sbc_ops fd_sbc_ops = { diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 0d46276..fc9a5a0 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -222,6 +222,7 @@ struct se_session *transport_init_session(void) INIT_LIST_HEAD(&se_sess->sess_list); INIT_LIST_HEAD(&se_sess->sess_acl_list); INIT_LIST_HEAD(&se_sess->sess_cmd_list); + INIT_LIST_HEAD(&se_sess->sess_wait_list); spin_lock_init(&se_sess->sess_cmd_lock); kref_init(&se_sess->sess_kref); @@ -2252,11 +2253,14 @@ void target_sess_cmd_list_set_waiting(struct se_session *se_sess) unsigned long flags; spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); - - WARN_ON(se_sess->sess_tearing_down); + if (se_sess->sess_tearing_down) { + spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + return; + } se_sess->sess_tearing_down = 1; + list_splice_init(&se_sess->sess_cmd_list, &se_sess->sess_wait_list); - list_for_each_entry(se_cmd, &se_sess->sess_cmd_list, se_cmd_list) + list_for_each_entry(se_cmd, &se_sess->sess_wait_list, se_cmd_list) se_cmd->cmd_wait_set = 1; spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); @@ -2273,9 +2277,10 @@ void target_wait_for_sess_cmds( { struct se_cmd *se_cmd, *tmp_cmd; bool rc = false; + unsigned long flags; list_for_each_entry_safe(se_cmd, tmp_cmd, - &se_sess->sess_cmd_list, se_cmd_list) { + &se_sess->sess_wait_list, se_cmd_list) { list_del(&se_cmd->se_cmd_list); pr_debug("Waiting for se_cmd: %p t_state: %d, fabric state:" @@ -2303,6 +2308,11 @@ void target_wait_for_sess_cmds( se_cmd->se_tfo->release_cmd(se_cmd); } + + spin_lock_irqsave(&se_sess->sess_cmd_lock, flags); + WARN_ON(!list_empty(&se_sess->sess_cmd_list)); + spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); + } EXPORT_SYMBOL(target_wait_for_sess_cmds); diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c index 05e72be..1f8cba6 100644 --- a/drivers/tty/n_tty.c +++ b/drivers/tty/n_tty.c @@ -1588,6 +1588,14 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old) ldata->real_raw = 0; } n_tty_set_room(tty); + /* + * Fix tty hang when I_IXON(tty) is cleared, but the tty + * been stopped by STOP_CHAR(tty) before it. + */ + if (!I_IXON(tty) && old && (old->c_iflag & IXON) && !tty->flow_stopped) { + start_tty(tty); + } + /* The termios change make the tty ready for I/O */ wake_up_interruptible(&tty->write_wait); wake_up_interruptible(&tty->read_wait); diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c index b7eb86a..8a7eb77 100644 --- a/drivers/usb/atm/cxacru.c +++ b/drivers/usb/atm/cxacru.c @@ -686,7 +686,8 @@ static int cxacru_cm_get_array(struct cxacru_data *instance, enum cxacru_cm_requ { int ret, len; __le32 *buf; - int offb, offd; + int offb; + unsigned int offd; const int stride = CMD_PACKET_SIZE / (4 * 2) - 1; int buflen = ((size - 1) / stride + 1 + size * 2) * 4; diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig index 608a2ae..b2df442 100644 --- a/drivers/usb/chipidea/Kconfig +++ b/drivers/usb/chipidea/Kconfig @@ -20,7 +20,7 @@ config USB_CHIPIDEA_UDC config USB_CHIPIDEA_HOST bool "ChipIdea host controller" depends on USB=y || USB=USB_CHIPIDEA - depends on USB_EHCI_HCD + depends on USB_EHCI_HCD=y select USB_EHCI_ROOT_HUB_TT help Say Y here to enable host controller functionality of the diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 3113c1d..e14346a 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -88,6 +88,9 @@ static const struct usb_device_id usb_quirk_list[] = { /* Edirol SD-20 */ { USB_DEVICE(0x0582, 0x0027), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Alcor Micro Corp. Hub */ + { USB_DEVICE(0x058f, 0x9254), .driver_info = USB_QUIRK_RESET_RESUME }, + /* appletouch */ { USB_DEVICE(0x05ac, 0x021a), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 180a2b0..007137f 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -233,14 +233,14 @@ static int ohci_urb_enqueue ( urb->start_frame = frame; } } else if (ed->type == PIPE_ISOCHRONOUS) { - u16 next = ohci_frame_no(ohci) + 2; + u16 next = ohci_frame_no(ohci) + 1; u16 frame = ed->last_iso + ed->interval; /* Behind the scheduling threshold? */ if (unlikely(tick_before(frame, next))) { /* USB_ISO_ASAP: Round up to the first available slot */ - if (urb->transfer_flags & URB_ISO_ASAP) + if (urb->transfer_flags & URB_ISO_ASAP) { frame += (next - frame + ed->interval - 1) & -ed->interval; @@ -248,21 +248,25 @@ static int ohci_urb_enqueue ( * Not ASAP: Use the next slot in the stream. If * the entire URB falls before the threshold, fail. */ - else if (tick_before(frame + ed->interval * + } else { + if (tick_before(frame + ed->interval * (urb->number_of_packets - 1), next)) { - retval = -EXDEV; - usb_hcd_unlink_urb_from_ep(hcd, urb); - goto fail; - } + retval = -EXDEV; + usb_hcd_unlink_urb_from_ep(hcd, urb); + goto fail; + } - /* - * Some OHCI hardware doesn't handle late TDs - * correctly. After retiring them it proceeds to - * the next ED instead of the next TD. Therefore - * we have to omit the late TDs entirely. - */ - urb_priv->td_cnt = DIV_ROUND_UP(next - frame, - ed->interval); + /* + * Some OHCI hardware doesn't handle late TDs + * correctly. After retiring them it proceeds + * to the next ED instead of the next TD. + * Therefore we have to omit the late TDs + * entirely. + */ + urb_priv->td_cnt = DIV_ROUND_UP( + (u16) (next - frame), + ed->interval); + } } urb->start_frame = frame; } diff --git a/drivers/usb/host/uhci-hub.c b/drivers/usb/host/uhci-hub.c index f87bee6..9189bc9 100644 --- a/drivers/usb/host/uhci-hub.c +++ b/drivers/usb/host/uhci-hub.c @@ -225,7 +225,8 @@ static int uhci_hub_status_data(struct usb_hcd *hcd, char *buf) /* auto-stop if nothing connected for 1 second */ if (any_ports_active(uhci)) uhci->rh_state = UHCI_RH_RUNNING; - else if (time_after_eq(jiffies, uhci->auto_stop_time)) + else if (time_after_eq(jiffies, uhci->auto_stop_time) && + !uhci->wait_for_hp) suspend_rh(uhci, UHCI_RH_AUTO_STOPPED); break; diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index f0976d8..041c6dd 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -1287,7 +1287,7 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb, return -EINVAL; /* Can't change the period */ } else { - next = uhci->frame_number + 2; + next = uhci->frame_number + 1; /* Find the next unused frame */ if (list_empty(&qh->queue)) { diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 6dc238c..fd26470e428 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -1423,15 +1423,17 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, ep_ctx->ep_info2 |= cpu_to_le32(xhci_get_endpoint_type(udev, ep)); /* Set the max packet size and max burst */ + max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc)); + max_burst = 0; switch (udev->speed) { case USB_SPEED_SUPER: - max_packet = usb_endpoint_maxp(&ep->desc); - ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet)); /* dig out max burst from ep companion desc */ - max_packet = ep->ss_ep_comp.bMaxBurst; - ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_packet)); + max_burst = ep->ss_ep_comp.bMaxBurst; break; case USB_SPEED_HIGH: + /* Some devices get this wrong */ + if (usb_endpoint_xfer_bulk(&ep->desc)) + max_packet = 512; /* bits 11:12 specify the number of additional transaction * opportunities per microframe (USB 2.0, section 9.6.6) */ @@ -1439,17 +1441,16 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, usb_endpoint_xfer_int(&ep->desc)) { max_burst = (usb_endpoint_maxp(&ep->desc) & 0x1800) >> 11; - ep_ctx->ep_info2 |= cpu_to_le32(MAX_BURST(max_burst)); } - /* Fall through */ + break; case USB_SPEED_FULL: case USB_SPEED_LOW: - max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc)); - ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet)); break; default: BUG(); } + ep_ctx->ep_info2 |= cpu_to_le32(MAX_PACKET(max_packet) | + MAX_BURST(max_burst)); max_esit_payload = xhci_get_max_esit_payload(xhci, udev, ep); ep_ctx->tx_info = cpu_to_le32(MAX_ESIT_PAYLOAD_FOR_EP(max_esit_payload)); diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index be2dcb0..266ece7 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -191,6 +191,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_PID) }, { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_GBM_BOOST_PID) }, { USB_DEVICE(NEWPORT_VID, NEWPORT_AGILIS_PID) }, + { USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_CC_PID) }, + { USB_DEVICE(NEWPORT_VID, NEWPORT_CONEX_AGP_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 9852827..6dd7925 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -772,6 +772,8 @@ */ #define NEWPORT_VID 0x104D #define NEWPORT_AGILIS_PID 0x3000 +#define NEWPORT_CONEX_CC_PID 0x3002 +#define NEWPORT_CONEX_AGP_PID 0x3006 /* Interbiometrics USB I/O Board */ /* Developed for Interbiometrics by Rudolf Gugler */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index bff059a..87181be 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -196,6 +196,7 @@ static void option_instat_callback(struct urb *urb); #define DELL_PRODUCT_5800_MINICARD_VZW 0x8195 /* Novatel E362 */ #define DELL_PRODUCT_5800_V2_MINICARD_VZW 0x8196 /* Novatel E362 */ +#define DELL_PRODUCT_5804_MINICARD_ATT 0x819b /* Novatel E371 */ #define KYOCERA_VENDOR_ID 0x0c88 #define KYOCERA_PRODUCT_KPC650 0x17da @@ -341,8 +342,8 @@ static void option_instat_callback(struct urb *urb); #define CINTERION_PRODUCT_EU3_E 0x0051 #define CINTERION_PRODUCT_EU3_P 0x0052 #define CINTERION_PRODUCT_PH8 0x0053 -#define CINTERION_PRODUCT_AH6 0x0055 -#define CINTERION_PRODUCT_PLS8 0x0060 +#define CINTERION_PRODUCT_AHXX 0x0055 +#define CINTERION_PRODUCT_PLXX 0x0060 /* Olivetti products */ #define OLIVETTI_VENDOR_ID 0x0b3c @@ -771,6 +772,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */ { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_MINICARD_VZW, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_V2_MINICARD_VZW, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5804_MINICARD_ATT, 0xff, 0xff, 0xff) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, /* ADU-E100, ADU-310 */ { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) }, @@ -966,6 +968,8 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0330, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0395, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0412, 0xff, 0xff, 0xff), /* Telewell TW-LTE 4G */ + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0414, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0417, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff), @@ -1264,8 +1268,9 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_E) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_EU3_P) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8) }, - { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AH6) }, - { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLS8) }, + { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX) }, + { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLXX), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) }, { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) }, { USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) }, diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index 210fce2..47c1155 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c @@ -18,6 +18,7 @@ #include #include #include +#include #include "cifsglob.h" #include "cifsproto.h" #include "cifsfs.h" @@ -150,7 +151,8 @@ char *cifs_compose_mount_options(const char *sb_mountdata, * assuming that we have 'unc=' and 'ip=' in * the original sb_mountdata */ - md_len = strlen(sb_mountdata) + rc + strlen(ref->node_name) + 12; + md_len = strlen(sb_mountdata) + rc + strlen(ref->node_name) + 12 + + INET6_ADDRSTRLEN; mountdata = kzalloc(md_len+1, GFP_KERNEL); if (mountdata == NULL) { rc = -ENOMEM; diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 20887bf..cb88429 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -169,7 +169,8 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr) if (fattr->cf_flags & CIFS_FATTR_DFS_REFERRAL) inode->i_flags |= S_AUTOMOUNT; - cifs_set_ops(inode); + if (inode->i_state & I_NEW) + cifs_set_ops(inode); } void diff --git a/fs/fat/inode.c b/fs/fat/inode.c index acf6e47..e7a7fde 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -1223,6 +1223,19 @@ static int fat_read_root(struct inode *inode) return 0; } +static unsigned long calc_fat_clusters(struct super_block *sb) +{ + struct msdos_sb_info *sbi = MSDOS_SB(sb); + + /* Divide first to avoid overflow */ + if (sbi->fat_bits != 12) { + unsigned long ent_per_sec = sb->s_blocksize * 8 / sbi->fat_bits; + return ent_per_sec * sbi->fat_length; + } + + return sbi->fat_length * sb->s_blocksize * 8 / sbi->fat_bits; +} + /* * Read the super block of an MS-DOS FS. */ @@ -1427,7 +1440,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat, sbi->dirty = b->fat16.state & FAT_STATE_DIRTY; /* check that FAT table does not overflow */ - fat_clusters = sbi->fat_length * sb->s_blocksize * 8 / sbi->fat_bits; + fat_clusters = calc_fat_clusters(sb); total_clusters = min(total_clusters, fat_clusters - FAT_START_ENT); if (total_clusters > MAX_FAT(sb)) { if (!silent) diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index ff15522..185c479 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -180,6 +180,8 @@ u64 fuse_get_attr_version(struct fuse_conn *fc) static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) { struct inode *inode; + struct dentry *parent; + struct fuse_conn *fc; inode = ACCESS_ONCE(entry->d_inode); if (inode && is_bad_inode(inode)) @@ -187,10 +189,8 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) else if (fuse_dentry_time(entry) < get_jiffies_64()) { int err; struct fuse_entry_out outarg; - struct fuse_conn *fc; struct fuse_req *req; struct fuse_forget_link *forget; - struct dentry *parent; u64 attr_version; /* For negative dentries, always do a fresh lookup */ @@ -241,8 +241,14 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) entry_attr_timeout(&outarg), attr_version); fuse_change_entry_timeout(entry, &outarg); + } else if (inode) { + fc = get_fuse_conn(inode); + if (fc->readdirplus_auto) { + parent = dget_parent(entry); + fuse_advise_use_readdirplus(parent->d_inode); + dput(parent); + } } - fuse_advise_use_readdirplus(inode); return 1; } diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index 137185c..a215d22 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -864,10 +864,11 @@ static void process_init_reply(struct fuse_conn *fc, struct fuse_req *req) fc->dont_mask = 1; if (arg->flags & FUSE_AUTO_INVAL_DATA) fc->auto_inval_data = 1; - if (arg->flags & FUSE_DO_READDIRPLUS) + if (arg->flags & FUSE_DO_READDIRPLUS) { fc->do_readdirplus = 1; - if (arg->flags & FUSE_READDIRPLUS_AUTO) - fc->readdirplus_auto = 1; + if (arg->flags & FUSE_READDIRPLUS_AUTO) + fc->readdirplus_auto = 1; + } } else { ra_pages = fc->max_read / PAGE_CACHE_SIZE; fc->no_lock = 1; diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index b7dc47b..77554b6 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -125,7 +125,7 @@ int jfs_write_inode(struct inode *inode, struct writeback_control *wbc) { int wait = wbc->sync_mode == WB_SYNC_ALL; - if (test_cflag(COMMIT_Nolink, inode)) + if (inode->i_nlink == 0) return 0; /* * If COMMIT_DIRTY is not set, the inode isn't really dirty. diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c index 2eb952c..cbe48ea 100644 --- a/fs/jfs/jfs_logmgr.c +++ b/fs/jfs/jfs_logmgr.c @@ -1058,7 +1058,8 @@ static int lmLogSync(struct jfs_log * log, int hard_sync) */ void jfs_syncpt(struct jfs_log *log, int hard_sync) { LOG_LOCK(log); - lmLogSync(log, hard_sync); + if (!test_bit(log_QUIESCE, &log->flag)) + lmLogSync(log, hard_sync); LOG_UNLOCK(log); } diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 0086401..261e9b9 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1022,7 +1022,7 @@ static struct nfs4_state *nfs4_try_open_cached(struct nfs4_opendata *opendata) struct nfs4_state *state = opendata->state; struct nfs_inode *nfsi = NFS_I(state->inode); struct nfs_delegation *delegation; - int open_mode = opendata->o_arg.open_flags & (O_EXCL|O_TRUNC); + int open_mode = opendata->o_arg.open_flags; fmode_t fmode = opendata->o_arg.fmode; nfs4_stateid stateid; int ret = -EAGAIN; diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index 6b49f14..734c93f 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -202,13 +202,32 @@ static int nilfs_writepage(struct page *page, struct writeback_control *wbc) static int nilfs_set_page_dirty(struct page *page) { - int ret = __set_page_dirty_buffers(page); + int ret = __set_page_dirty_nobuffers(page); - if (ret) { + if (page_has_buffers(page)) { struct inode *inode = page->mapping->host; - unsigned nr_dirty = 1 << (PAGE_SHIFT - inode->i_blkbits); + unsigned nr_dirty = 0; + struct buffer_head *bh, *head; - nilfs_set_file_dirty(inode, nr_dirty); + /* + * This page is locked by callers, and no other thread + * concurrently marks its buffers dirty since they are + * only dirtied through routines in fs/buffer.c in + * which call sites of mark_buffer_dirty are protected + * by page lock. + */ + bh = head = page_buffers(page); + do { + /* Do not mark hole blocks dirty */ + if (buffer_dirty(bh) || !buffer_mapped(bh)) + continue; + + set_buffer_dirty(bh); + nr_dirty++; + } while (bh = bh->b_this_page, bh != head); + + if (nr_dirty) + nilfs_set_file_dirty(inode, nr_dirty); } return ret; } diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c index 1c39efb..2487116 100644 --- a/fs/ocfs2/extent_map.c +++ b/fs/ocfs2/extent_map.c @@ -790,7 +790,7 @@ int ocfs2_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, &hole_size, &rec, &is_last); if (ret) { mlog_errno(ret); - goto out; + goto out_unlock; } if (rec.e_blkno == 0ULL) { diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c index 66c53b6..6c2d136 100644 --- a/fs/reiserfs/dir.c +++ b/fs/reiserfs/dir.c @@ -204,6 +204,8 @@ int reiserfs_readdir_dentry(struct dentry *dentry, void *dirent, next_pos = deh_offset(deh) + 1; if (item_moved(&tmp_ih, &path_to_entry)) { + set_cpu_key_k_offset(&pos_key, + next_pos); goto research; } } /* for */ diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index ea5061f..c3a9de6 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -1810,11 +1810,16 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th, TYPE_STAT_DATA, SD_SIZE, MAX_US_INT); memcpy(INODE_PKEY(inode), &(ih.ih_key), KEY_SIZE); args.dirid = le32_to_cpu(ih.ih_key.k_dir_id); - if (insert_inode_locked4(inode, args.objectid, - reiserfs_find_actor, &args) < 0) { + + reiserfs_write_unlock(inode->i_sb); + err = insert_inode_locked4(inode, args.objectid, + reiserfs_find_actor, &args); + reiserfs_write_lock(inode->i_sb); + if (err) { err = -EINVAL; goto out_bad_inode; } + if (old_format_only(sb)) /* not a perfect generation count, as object ids can be reused, but ** this is as good as reiserfs can do right now. diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index 4cce1d9..821bcf7 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -318,7 +318,19 @@ static int delete_one_xattr(struct dentry *dentry, void *data) static int chown_one_xattr(struct dentry *dentry, void *data) { struct iattr *attrs = data; - return reiserfs_setattr(dentry, attrs); + int ia_valid = attrs->ia_valid; + int err; + + /* + * We only want the ownership bits. Otherwise, we'll do + * things like change a directory to a regular file if + * ATTR_MODE is set. + */ + attrs->ia_valid &= (ATTR_UID|ATTR_GID); + err = reiserfs_setattr(dentry, attrs); + attrs->ia_valid = ia_valid; + + return err; } /* No i_mutex, but the inode is unconnected. */ diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c index d7c01ef..6c8767f 100644 --- a/fs/reiserfs/xattr_acl.c +++ b/fs/reiserfs/xattr_acl.c @@ -443,6 +443,9 @@ int reiserfs_acl_chmod(struct inode *inode) int depth; int error; + if (IS_PRIVATE(inode)) + return 0; + if (S_ISLNK(inode->i_mode)) return -EOPNOTSUPP; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index d82efaa..ca9ecaa 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -455,6 +455,28 @@ xfs_vn_getattr( return 0; } +static void +xfs_setattr_mode( + struct xfs_trans *tp, + struct xfs_inode *ip, + struct iattr *iattr) +{ + struct inode *inode = VFS_I(ip); + umode_t mode = iattr->ia_mode; + + ASSERT(tp); + ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); + + if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID)) + mode &= ~S_ISGID; + + ip->i_d.di_mode &= S_IFMT; + ip->i_d.di_mode |= mode & ~S_IFMT; + + inode->i_mode &= S_IFMT; + inode->i_mode |= mode & ~S_IFMT; +} + int xfs_setattr_nonsize( struct xfs_inode *ip, @@ -606,18 +628,8 @@ xfs_setattr_nonsize( /* * Change file access modes. */ - if (mask & ATTR_MODE) { - umode_t mode = iattr->ia_mode; - - if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID)) - mode &= ~S_ISGID; - - ip->i_d.di_mode &= S_IFMT; - ip->i_d.di_mode |= mode & ~S_IFMT; - - inode->i_mode &= S_IFMT; - inode->i_mode |= mode & ~S_IFMT; - } + if (mask & ATTR_MODE) + xfs_setattr_mode(tp, ip, iattr); /* * Change file access or modified times. @@ -714,9 +726,8 @@ xfs_setattr_size( return XFS_ERROR(error); ASSERT(S_ISREG(ip->i_d.di_mode)); - ASSERT((mask & (ATTR_MODE|ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET| - ATTR_MTIME_SET|ATTR_KILL_SUID|ATTR_KILL_SGID| - ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0); + ASSERT((mask & (ATTR_UID|ATTR_GID|ATTR_ATIME|ATTR_ATIME_SET| + ATTR_MTIME_SET|ATTR_KILL_PRIV|ATTR_TIMES_SET)) == 0); if (!(flags & XFS_ATTR_NOLOCK)) { lock_flags |= XFS_IOLOCK_EXCL; @@ -860,6 +871,12 @@ xfs_setattr_size( xfs_inode_clear_eofblocks_tag(ip); } + /* + * Change file access modes. + */ + if (mask & ATTR_MODE) + xfs_setattr_mode(tp, ip, iattr); + if (mask & ATTR_CTIME) { inode->i_ctime = iattr->ia_ctime; ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec; diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 22ba56e..fc93bd3d 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -352,7 +352,6 @@ acpi_status acpi_bus_get_status_handle(acpi_handle handle, unsigned long long *sta); int acpi_bus_get_status(struct acpi_device *device); -#ifdef CONFIG_PM int acpi_bus_set_power(acpi_handle handle, int state); const char *acpi_power_state_string(int state); int acpi_device_get_power(struct acpi_device *device, int *state); @@ -360,41 +359,12 @@ int acpi_device_set_power(struct acpi_device *device, int state); int acpi_bus_init_power(struct acpi_device *device); int acpi_bus_update_power(acpi_handle handle, int *state_p); bool acpi_bus_power_manageable(acpi_handle handle); + +#ifdef CONFIG_PM bool acpi_bus_can_wakeup(acpi_handle handle); -#else /* !CONFIG_PM */ -static inline int acpi_bus_set_power(acpi_handle handle, int state) -{ - return 0; -} -static inline const char *acpi_power_state_string(int state) -{ - return "D0"; -} -static inline int acpi_device_get_power(struct acpi_device *device, int *state) -{ - return 0; -} -static inline int acpi_device_set_power(struct acpi_device *device, int state) -{ - return 0; -} -static inline int acpi_bus_init_power(struct acpi_device *device) -{ - return 0; -} -static inline int acpi_bus_update_power(acpi_handle handle, int *state_p) -{ - return 0; -} -static inline bool acpi_bus_power_manageable(acpi_handle handle) -{ - return false; -} -static inline bool acpi_bus_can_wakeup(acpi_handle handle) -{ - return false; -} -#endif /* !CONFIG_PM */ +#else +static inline bool acpi_bus_can_wakeup(acpi_handle handle) { return false; } +#endif #ifdef CONFIG_ACPI_PROC_EVENT int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 16d4d09..6ae7d2c 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -570,7 +570,7 @@ struct cgroup *cgroup_rightmost_descendant(struct cgroup *pos); * * If a subsystem synchronizes against the parent in its ->css_online() and * before starting iterating, and synchronizes against @pos on each - * iteration, any descendant cgroup which finished ->css_offline() is + * iteration, any descendant cgroup which finished ->css_online() is * guaranteed to be visible in the future iterations. * * In other words, the following guarantees that a descendant can't escape diff --git a/include/linux/wait.h b/include/linux/wait.h index 7cb64d4..30194a6 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -217,6 +217,8 @@ do { \ if (!ret) \ break; \ } \ + if (!ret && (condition)) \ + ret = 1; \ finish_wait(&wq, &__wait); \ } while (0) @@ -233,8 +235,9 @@ do { \ * wake_up() has to be called after changing any variable that could * change the result of the wait condition. * - * The function returns 0 if the @timeout elapsed, and the remaining - * jiffies if the condition evaluated to true before the timeout elapsed. + * The function returns 0 if the @timeout elapsed, or the remaining + * jiffies (at least 1) if the @condition evaluated to %true before + * the @timeout elapsed. */ #define wait_event_timeout(wq, condition, timeout) \ ({ \ @@ -302,6 +305,8 @@ do { \ ret = -ERESTARTSYS; \ break; \ } \ + if (!ret && (condition)) \ + ret = 1; \ finish_wait(&wq, &__wait); \ } while (0) @@ -318,9 +323,10 @@ do { \ * wake_up() has to be called after changing any variable that could * change the result of the wait condition. * - * The function returns 0 if the @timeout elapsed, -ERESTARTSYS if it - * was interrupted by a signal, and the remaining jiffies otherwise - * if the condition evaluated to true before the timeout elapsed. + * Returns: + * 0 if the @timeout elapsed, -%ERESTARTSYS if it was interrupted by + * a signal, or the remaining jiffies (at least 1) if the @condition + * evaluated to %true before the @timeout elapsed. */ #define wait_event_interruptible_timeout(wq, condition, timeout) \ ({ \ diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index c4af592..f8640f3 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -544,6 +544,7 @@ struct se_session { struct list_head sess_list; struct list_head sess_acl_list; struct list_head sess_cmd_list; + struct list_head sess_wait_list; spinlock_t sess_cmd_lock; struct kref sess_kref; }; diff --git a/include/xen/interface/io/netif.h b/include/xen/interface/io/netif.h index 9dfc120..3ef3fe0 100644 --- a/include/xen/interface/io/netif.h +++ b/include/xen/interface/io/netif.h @@ -13,6 +13,24 @@ #include /* + * Older implementation of Xen network frontend / backend has an + * implicit dependency on the MAX_SKB_FRAGS as the maximum number of + * ring slots a skb can use. Netfront / netback may not work as + * expected when frontend and backend have different MAX_SKB_FRAGS. + * + * A better approach is to add mechanism for netfront / netback to + * negotiate this value. However we cannot fix all possible + * frontends, so we need to define a value which states the minimum + * slots backend must support. + * + * The minimum value derives from older Linux kernel's MAX_SKB_FRAGS + * (18), which is proved to work with most frontends. Any new backend + * which doesn't negotiate with frontend should expect frontend to + * send a valid packet using slots up to this value. + */ +#define XEN_NETIF_NR_SLOTS_MIN 18 + +/* * Notifications after enqueuing any type of message should be conditional on * the appropriate req_event or rsp_event field in the shared ring. * If the client sends notification for rx requests then it should specify @@ -47,6 +65,7 @@ #define _XEN_NETTXF_extra_info (3) #define XEN_NETTXF_extra_info (1U<<_XEN_NETTXF_extra_info) +#define XEN_NETIF_MAX_TX_SIZE 0xFFFF struct xen_netif_tx_request { grant_ref_t gref; /* Reference to buffer page */ uint16_t offset; /* Offset within buffer page */ diff --git a/kernel/cgroup.c b/kernel/cgroup.c index ba1f977..a48de6a 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -2747,13 +2747,14 @@ static int cgroup_add_file(struct cgroup *cgrp, struct cgroup_subsys *subsys, goto out; } + cfe->type = (void *)cft; + cfe->dentry = dentry; + dentry->d_fsdata = cfe; + simple_xattrs_init(&cfe->xattrs); + mode = cgroup_file_mode(cft); error = cgroup_create_file(dentry, mode | S_IFREG, cgrp->root->sb); if (!error) { - cfe->type = (void *)cft; - cfe->dentry = dentry; - dentry->d_fsdata = cfe; - simple_xattrs_init(&cfe->xattrs); list_add_tail(&cfe->node, &parent->files); cfe = NULL; } @@ -2999,11 +3000,8 @@ struct cgroup *cgroup_next_descendant_pre(struct cgroup *pos, WARN_ON_ONCE(!rcu_read_lock_held()); /* if first iteration, pretend we just visited @cgroup */ - if (!pos) { - if (list_empty(&cgroup->children)) - return NULL; + if (!pos) pos = cgroup; - } /* visit the first child if exists */ next = list_first_or_null_rcu(&pos->children, struct cgroup, sibling); @@ -3011,14 +3009,14 @@ struct cgroup *cgroup_next_descendant_pre(struct cgroup *pos, return next; /* no child, visit my or the closest ancestor's next sibling */ - do { + while (pos != cgroup) { next = list_entry_rcu(pos->sibling.next, struct cgroup, sibling); if (&next->sibling != &pos->parent->children) return next; pos = pos->parent; - } while (pos != cgroup); + } return NULL; } diff --git a/kernel/module.c b/kernel/module.c index 0925c9a..97f202c 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1861,12 +1861,12 @@ static void free_module(struct module *mod) { trace_module_free(mod); - /* Delete from various lists */ - mutex_lock(&module_mutex); - stop_machine(__unlink_module, mod, NULL); - mutex_unlock(&module_mutex); mod_sysfs_teardown(mod); + /* We leave it in list to prevent duplicate loads, but make sure + * that noone uses it while it's being deconstructed. */ + mod->state = MODULE_STATE_UNFORMED; + /* Remove dynamic debug info */ ddebug_remove_module(mod->name); @@ -1879,6 +1879,11 @@ static void free_module(struct module *mod) /* Free any allocated parameters. */ destroy_params(mod->kp, mod->num_kp); + /* Now we can delete it from the lists */ + mutex_lock(&module_mutex); + stop_machine(__unlink_module, mod, NULL); + mutex_unlock(&module_mutex); + /* This may be NULL, but that's OK */ unset_module_init_ro_nx(mod); module_free(mod, mod->module_init); diff --git a/kernel/range.c b/kernel/range.c index 9b8ae2d..98883ed 100644 --- a/kernel/range.c +++ b/kernel/range.c @@ -48,9 +48,11 @@ int add_range_with_merge(struct range *range, int az, int nr_range, final_start = min(range[i].start, start); final_end = max(range[i].end, end); - range[i].start = final_start; - range[i].end = final_end; - return nr_range; + /* clear it and add it back for further merge */ + range[i].start = 0; + range[i].end = 0; + return add_range_with_merge(range, az, nr_range, + final_start, final_end); } /* Need to add it: */ diff --git a/lib/klist.c b/lib/klist.c index 0874e41..358a368 100644 --- a/lib/klist.c +++ b/lib/klist.c @@ -193,10 +193,10 @@ static void klist_release(struct kref *kref) if (waiter->node != n) continue; + list_del(&waiter->list); waiter->woken = 1; mb(); wake_up_process(waiter->process); - list_del(&waiter->list); } spin_unlock(&klist_remove_lock); knode_set_klist(n, NULL); diff --git a/mm/huge_memory.c b/mm/huge_memory.c index e2f7f5aa..a4510d4 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2318,7 +2318,12 @@ static void collapse_huge_page(struct mm_struct *mm, pte_unmap(pte); spin_lock(&mm->page_table_lock); BUG_ON(!pmd_none(*pmd)); - set_pmd_at(mm, address, pmd, _pmd); + /* + * We can only use set_pmd_at when establishing + * hugepmds and never for establishing regular pmds that + * points to regular pagetables. Use pmd_populate for that + */ + pmd_populate(mm, pmd, pmd_pgtable(_pmd)); spin_unlock(&mm->page_table_lock); anon_vma_unlock_write(vma->anon_vma); goto out; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 2b55222..9630d58 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -3991,8 +3991,6 @@ __mem_cgroup_uncharge_common(struct page *page, enum charge_type ctype, if (mem_cgroup_disabled()) return NULL; - VM_BUG_ON(PageSwapCache(page)); - if (PageTransHuge(page)) { nr_pages <<= compound_order(page); VM_BUG_ON(!PageTransHuge(page)); @@ -4088,6 +4086,18 @@ void mem_cgroup_uncharge_page(struct page *page) if (page_mapped(page)) return; VM_BUG_ON(page->mapping && !PageAnon(page)); + /* + * If the page is in swap cache, uncharge should be deferred + * to the swap path, which also properly accounts swap usage + * and handles memcg lifetime. + * + * Note that this check is not stable and reclaim may add the + * page to swap cache at any time after this. However, if the + * page is not in swap cache by the time page->mapcount hits + * 0, there won't be any page table references to the swap + * slot, and reclaim will free it and not actually write the + * page to disk. + */ if (PageSwapCache(page)) return; __mem_cgroup_uncharge_common(page, MEM_CGROUP_CHARGE_TYPE_ANON, false); diff --git a/mm/migrate.c b/mm/migrate.c index 3bbaf5d..22ed5c1 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -165,7 +165,7 @@ static int remove_migration_pte(struct page *new, struct vm_area_struct *vma, pte = arch_make_huge_pte(pte, vma, new, 0); } #endif - flush_cache_page(vma, addr, pte_pfn(pte)); + flush_dcache_page(new); set_pte_at(mm, addr, ptep, pte); if (PageHuge(new)) { diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c index be04122..6725ff1 100644 --- a/mm/mmu_notifier.c +++ b/mm/mmu_notifier.c @@ -40,48 +40,44 @@ void __mmu_notifier_release(struct mm_struct *mm) int id; /* - * srcu_read_lock() here will block synchronize_srcu() in - * mmu_notifier_unregister() until all registered - * ->release() callouts this function makes have - * returned. + * SRCU here will block mmu_notifier_unregister until + * ->release returns. */ id = srcu_read_lock(&srcu); + hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist) + /* + * If ->release runs before mmu_notifier_unregister it must be + * handled, as it's the only way for the driver to flush all + * existing sptes and stop the driver from establishing any more + * sptes before all the pages in the mm are freed. + */ + if (mn->ops->release) + mn->ops->release(mn, mm); + srcu_read_unlock(&srcu, id); + spin_lock(&mm->mmu_notifier_mm->lock); while (unlikely(!hlist_empty(&mm->mmu_notifier_mm->list))) { mn = hlist_entry(mm->mmu_notifier_mm->list.first, struct mmu_notifier, hlist); - /* - * Unlink. This will prevent mmu_notifier_unregister() - * from also making the ->release() callout. + * We arrived before mmu_notifier_unregister so + * mmu_notifier_unregister will do nothing other than to wait + * for ->release to finish and for mmu_notifier_unregister to + * return. */ hlist_del_init_rcu(&mn->hlist); - spin_unlock(&mm->mmu_notifier_mm->lock); - - /* - * Clear sptes. (see 'release' description in mmu_notifier.h) - */ - if (mn->ops->release) - mn->ops->release(mn, mm); - - spin_lock(&mm->mmu_notifier_mm->lock); } spin_unlock(&mm->mmu_notifier_mm->lock); /* - * All callouts to ->release() which we have done are complete. - * Allow synchronize_srcu() in mmu_notifier_unregister() to complete - */ - srcu_read_unlock(&srcu, id); - - /* - * mmu_notifier_unregister() may have unlinked a notifier and may - * still be calling out to it. Additionally, other notifiers - * may have been active via vmtruncate() et. al. Block here - * to ensure that all notifier callouts for this mm have been - * completed and the sptes are really cleaned up before returning - * to exit_mmap(). + * synchronize_srcu here prevents mmu_notifier_release from returning to + * exit_mmap (which would proceed with freeing all pages in the mm) + * until the ->release method returns, if it was invoked by + * mmu_notifier_unregister. + * + * The mmu_notifier_mm can't go away from under us because one mm_count + * is held by exit_mmap. */ synchronize_srcu(&srcu); } @@ -292,31 +288,34 @@ void mmu_notifier_unregister(struct mmu_notifier *mn, struct mm_struct *mm) { BUG_ON(atomic_read(&mm->mm_count) <= 0); - spin_lock(&mm->mmu_notifier_mm->lock); if (!hlist_unhashed(&mn->hlist)) { + /* + * SRCU here will force exit_mmap to wait for ->release to + * finish before freeing the pages. + */ int id; + id = srcu_read_lock(&srcu); /* - * Ensure we synchronize up with __mmu_notifier_release(). + * exit_mmap will block in mmu_notifier_release to guarantee + * that ->release is called before freeing the pages. */ - id = srcu_read_lock(&srcu); - - hlist_del_rcu(&mn->hlist); - spin_unlock(&mm->mmu_notifier_mm->lock); - if (mn->ops->release) mn->ops->release(mn, mm); + srcu_read_unlock(&srcu, id); + spin_lock(&mm->mmu_notifier_mm->lock); /* - * Allow __mmu_notifier_release() to complete. + * Can not use list_del_rcu() since __mmu_notifier_release + * can delete it before we hold the lock. */ - srcu_read_unlock(&srcu, id); - } else + hlist_del_init_rcu(&mn->hlist); spin_unlock(&mm->mmu_notifier_mm->lock); + } /* - * Wait for any running method to finish, including ->release() if it - * was run by __mmu_notifier_release() instead of us. + * Wait for any running method to finish, of course including + * ->release if it was run by mmu_notifier_relase instead of us. */ synchronize_srcu(&srcu); diff --git a/mm/pagewalk.c b/mm/pagewalk.c index 35aa294..5da2cbc 100644 --- a/mm/pagewalk.c +++ b/mm/pagewalk.c @@ -127,28 +127,7 @@ static int walk_hugetlb_range(struct vm_area_struct *vma, return 0; } -static struct vm_area_struct* hugetlb_vma(unsigned long addr, struct mm_walk *walk) -{ - struct vm_area_struct *vma; - - /* We don't need vma lookup at all. */ - if (!walk->hugetlb_entry) - return NULL; - - VM_BUG_ON(!rwsem_is_locked(&walk->mm->mmap_sem)); - vma = find_vma(walk->mm, addr); - if (vma && vma->vm_start <= addr && is_vm_hugetlb_page(vma)) - return vma; - - return NULL; -} - #else /* CONFIG_HUGETLB_PAGE */ -static struct vm_area_struct* hugetlb_vma(unsigned long addr, struct mm_walk *walk) -{ - return NULL; -} - static int walk_hugetlb_range(struct vm_area_struct *vma, unsigned long addr, unsigned long end, struct mm_walk *walk) @@ -198,30 +177,53 @@ int walk_page_range(unsigned long addr, unsigned long end, if (!walk->mm) return -EINVAL; + VM_BUG_ON(!rwsem_is_locked(&walk->mm->mmap_sem)); + pgd = pgd_offset(walk->mm, addr); do { - struct vm_area_struct *vma; + struct vm_area_struct *vma = NULL; next = pgd_addr_end(addr, end); /* - * handle hugetlb vma individually because pagetable walk for - * the hugetlb page is dependent on the architecture and - * we can't handled it in the same manner as non-huge pages. + * This function was not intended to be vma based. + * But there are vma special cases to be handled: + * - hugetlb vma's + * - VM_PFNMAP vma's */ - vma = hugetlb_vma(addr, walk); + vma = find_vma(walk->mm, addr); if (vma) { - if (vma->vm_end < next) + /* + * There are no page structures backing a VM_PFNMAP + * range, so do not allow split_huge_page_pmd(). + */ + if ((vma->vm_start <= addr) && + (vma->vm_flags & VM_PFNMAP)) { next = vma->vm_end; + pgd = pgd_offset(walk->mm, next); + continue; + } /* - * Hugepage is very tightly coupled with vma, so - * walk through hugetlb entries within a given vma. + * Handle hugetlb vma individually because pagetable + * walk for the hugetlb page is dependent on the + * architecture and we can't handled it in the same + * manner as non-huge pages. */ - err = walk_hugetlb_range(vma, addr, next, walk); - if (err) - break; - pgd = pgd_offset(walk->mm, next); - continue; + if (walk->hugetlb_entry && (vma->vm_start <= addr) && + is_vm_hugetlb_page(vma)) { + if (vma->vm_end < next) + next = vma->vm_end; + /* + * Hugepage is very tightly coupled with vma, + * so walk through hugetlb entries within a + * given vma. + */ + err = walk_hugetlb_range(vma, addr, next, walk); + if (err) + break; + pgd = pgd_offset(walk->mm, next); + continue; + } } if (pgd_none_or_clear_bad(pgd)) { diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index d51ca9d..9cbebc2 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1649,6 +1649,15 @@ void ieee80211_remove_interfaces(struct ieee80211_local *local) ASSERT_RTNL(); + /* + * Close all AP_VLAN interfaces first, as otherwise they + * might be closed while the AP interface they belong to + * is closed, causing unregister_netdevice_many() to crash. + */ + list_for_each_entry(sdata, &local->interfaces, list) + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + dev_close(sdata->dev); + mutex_lock(&local->iflist_mtx); list_for_each_entry_safe(sdata, tmp, &local->interfaces, list) { list_del(&sdata->list); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 346ad4c..0a60f40 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3182,10 +3182,6 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) if (WARN_ON_ONCE(!auth_data)) return -EINVAL; - if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) - tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS | - IEEE80211_TX_INTFL_MLME_CONN_TX; - auth_data->tries++; if (auth_data->tries > IEEE80211_AUTH_MAX_TRIES) { @@ -3219,6 +3215,10 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) auth_data->expected_transaction = trans; } + if (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) + tx_flags = IEEE80211_TX_CTL_REQ_TX_STATUS | + IEEE80211_TX_INTFL_MLME_CONN_TX; + ieee80211_send_auth(sdata, trans, auth_data->algorithm, status, auth_data->data, auth_data->data_len, auth_data->bss->bssid, @@ -3242,12 +3242,12 @@ static int ieee80211_probe_auth(struct ieee80211_sub_if_data *sdata) * will not answer to direct packet in unassociated state. */ ieee80211_send_probe_req(sdata, NULL, ssidie + 2, ssidie[1], - NULL, 0, (u32) -1, true, tx_flags, + NULL, 0, (u32) -1, true, 0, auth_data->bss->channel, false); rcu_read_unlock(); } - if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) { + if (tx_flags == 0) { auth_data->timeout = jiffies + IEEE80211_AUTH_TIMEOUT; ifmgd->auth_data->timeout_started = true; run_again(ifmgd, auth_data->timeout); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index c6844ad..bb0b457 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -3032,6 +3032,9 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx, * and location updates. Note that mac80211 * itself never looks at these frames. */ + if (!multicast && + !ether_addr_equal(sdata->vif.addr, hdr->addr1)) + return 0; if (ieee80211_is_public_action(hdr, skb->len)) return 1; if (!ieee80211_is_beacon(hdr->frame_control)) diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c index 3ed801d..124b1fd 100644 --- a/net/mac80211/tkip.c +++ b/net/mac80211/tkip.c @@ -208,10 +208,10 @@ void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf, u32 iv32 = get_unaligned_le32(&data[4]); u16 iv16 = data[2] | (data[0] << 8); - spin_lock_bh(&key->u.tkip.txlock); + spin_lock(&key->u.tkip.txlock); ieee80211_compute_tkip_p1k(key, iv32); tkip_mixing_phase2(tk, ctx, iv16, p2k); - spin_unlock_bh(&key->u.tkip.txlock); + spin_unlock(&key->u.tkip.txlock); } EXPORT_SYMBOL(ieee80211_get_tkip_p2k); diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c index f8529fc..5356b12 100644 --- a/net/sunrpc/sched.c +++ b/net/sunrpc/sched.c @@ -324,11 +324,17 @@ EXPORT_SYMBOL_GPL(__rpc_wait_for_completion_task); * Note: If the task is ASYNC, and is being made runnable after sitting on an * rpc_wait_queue, this must be called with the queue spinlock held to protect * the wait queue operation. + * Note the ordering of rpc_test_and_set_running() and rpc_clear_queued(), + * which is needed to ensure that __rpc_execute() doesn't loop (due to the + * lockless RPC_IS_QUEUED() test) before we've had a chance to test + * the RPC_TASK_RUNNING flag. */ static void rpc_make_runnable(struct rpc_task *task) { + bool need_wakeup = !rpc_test_and_set_running(task); + rpc_clear_queued(task); - if (rpc_test_and_set_running(task)) + if (!need_wakeup) return; if (RPC_IS_ASYNC(task)) { INIT_WORK(&task->u.tk_work, rpc_async_schedule); diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c index c3f9e1e..06bdf5a 100644 --- a/net/sunrpc/svcauth_unix.c +++ b/net/sunrpc/svcauth_unix.c @@ -810,11 +810,15 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp) goto badcred; argv->iov_base = (void*)((__be32*)argv->iov_base + slen); /* skip machname */ argv->iov_len -= slen*4; - + /* + * Note: we skip uid_valid()/gid_valid() checks here for + * backwards compatibility with clients that use -1 id's. + * Instead, -1 uid or gid is later mapped to the + * (export-specific) anonymous id by nfsd_setuser. + * Supplementary gid's will be left alone. + */ cred->cr_uid = make_kuid(&init_user_ns, svc_getnl(argv)); /* uid */ cred->cr_gid = make_kgid(&init_user_ns, svc_getnl(argv)); /* gid */ - if (!uid_valid(cred->cr_uid) || !gid_valid(cred->cr_gid)) - goto badcred; slen = svc_getnl(argv); /* gids length */ if (slen > 16 || (len -= (slen + 2)*4) < 0) goto badcred; @@ -823,8 +827,6 @@ svcauth_unix_accept(struct svc_rqst *rqstp, __be32 *authp) return SVC_CLOSE; for (i = 0; i < slen; i++) { kgid_t kgid = make_kgid(&init_user_ns, svc_getnl(argv)); - if (!gid_valid(kgid)) - goto badcred; GROUP_AT(cred->cr_group_info, i) = kgid; } if (svc_getu32(argv) != htonl(RPC_AUTH_NULL) || svc_getu32(argv) != 0) { diff --git a/net/wireless/core.c b/net/wireless/core.c index 6ddf74f..ed56e2b 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -638,17 +638,21 @@ int wiphy_register(struct wiphy *wiphy) * cfg80211_mutex lock */ res = rfkill_register(rdev->rfkill); - if (res) - goto out_rm_dev; + if (res) { + device_del(&rdev->wiphy.dev); + + mutex_lock(&cfg80211_mutex); + debugfs_remove_recursive(rdev->wiphy.debugfsdir); + list_del_rcu(&rdev->list); + wiphy_regulatory_deregister(wiphy); + mutex_unlock(&cfg80211_mutex); + return res; + } rtnl_lock(); rdev->wiphy.registered = true; rtnl_unlock(); return 0; - -out_rm_dev: - device_del(&rdev->wiphy.dev); - return res; } EXPORT_SYMBOL(wiphy_register); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 58e13a8..34ef522 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -7177,6 +7177,8 @@ static int nl80211_send_wowlan_tcp(struct sk_buff *msg, &tcp->payload_tok)) return -ENOBUFS; + nla_nest_end(msg, nl_tcp); + return 0; } diff --git a/net/wireless/sme.c b/net/wireless/sme.c index 482c70e..5b2d0a0 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -227,6 +227,9 @@ void cfg80211_conn_work(struct work_struct *work) mutex_lock(&rdev->sched_scan_mtx); list_for_each_entry(wdev, &rdev->wdev_list, list) { + if (!wdev->netdev) + continue; + wdev_lock(wdev); if (!netif_running(wdev->netdev)) { wdev_unlock(wdev); diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 7586de7..3cdf17c 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -2386,6 +2386,7 @@ TRACE_EVENT(cfg80211_report_wowlan_wakeup, TP_STRUCT__entry( WIPHY_ENTRY WDEV_ENTRY + __field(bool, non_wireless) __field(bool, disconnect) __field(bool, magic_pkt) __field(bool, gtk_rekey_failure) @@ -2394,20 +2395,22 @@ TRACE_EVENT(cfg80211_report_wowlan_wakeup, __field(bool, rfkill_release) __field(s32, pattern_idx) __field(u32, packet_len) - __dynamic_array(u8, packet, wakeup->packet_present_len) + __dynamic_array(u8, packet, + wakeup ? wakeup->packet_present_len : 0) ), TP_fast_assign( WIPHY_ASSIGN; WDEV_ASSIGN; - __entry->disconnect = wakeup->disconnect; - __entry->magic_pkt = wakeup->magic_pkt; - __entry->gtk_rekey_failure = wakeup->gtk_rekey_failure; - __entry->eap_identity_req = wakeup->eap_identity_req; - __entry->four_way_handshake = wakeup->four_way_handshake; - __entry->rfkill_release = wakeup->rfkill_release; - __entry->pattern_idx = wakeup->pattern_idx; - __entry->packet_len = wakeup->packet_len; - if (wakeup->packet && wakeup->packet_present_len) + __entry->non_wireless = !wakeup; + __entry->disconnect = wakeup ? wakeup->disconnect : false; + __entry->magic_pkt = wakeup ? wakeup->magic_pkt : false; + __entry->gtk_rekey_failure = wakeup ? wakeup->gtk_rekey_failure : false; + __entry->eap_identity_req = wakeup ? wakeup->eap_identity_req : false; + __entry->four_way_handshake = wakeup ? wakeup->four_way_handshake : false; + __entry->rfkill_release = wakeup ? wakeup->rfkill_release : false; + __entry->pattern_idx = wakeup ? wakeup->pattern_idx : false; + __entry->packet_len = wakeup ? wakeup->packet_len : false; + if (wakeup && wakeup->packet && wakeup->packet_present_len) memcpy(__get_dynamic_array(packet), wakeup->packet, wakeup->packet_present_len); ), diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c index 0f6f481..c92a056 100644 --- a/sound/soc/codecs/cs42l52.c +++ b/sound/soc/codecs/cs42l52.c @@ -86,7 +86,7 @@ static const struct reg_default cs42l52_reg_defaults[] = { { CS42L52_BEEP_VOL, 0x00 }, /* r1D Beep Volume off Time */ { CS42L52_BEEP_TONE_CTL, 0x00 }, /* r1E Beep Tone Cfg. */ { CS42L52_TONE_CTL, 0x00 }, /* r1F Tone Ctl */ - { CS42L52_MASTERA_VOL, 0x88 }, /* r20 Master A Volume */ + { CS42L52_MASTERA_VOL, 0x00 }, /* r20 Master A Volume */ { CS42L52_MASTERB_VOL, 0x00 }, /* r21 Master B Volume */ { CS42L52_HPA_VOL, 0x00 }, /* r22 Headphone A Volume */ { CS42L52_HPB_VOL, 0x00 }, /* r23 Headphone B Volume */ diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c index cdeb301..eaeab83 100644 --- a/sound/soc/codecs/wm5110.c +++ b/sound/soc/codecs/wm5110.c @@ -190,7 +190,7 @@ ARIZONA_MIXER_CONTROLS("DSP2R", ARIZONA_DSP2RMIX_INPUT_1_SOURCE), ARIZONA_MIXER_CONTROLS("DSP3L", ARIZONA_DSP3LMIX_INPUT_1_SOURCE), ARIZONA_MIXER_CONTROLS("DSP3R", ARIZONA_DSP3RMIX_INPUT_1_SOURCE), ARIZONA_MIXER_CONTROLS("DSP4L", ARIZONA_DSP4LMIX_INPUT_1_SOURCE), -ARIZONA_MIXER_CONTROLS("DSP5R", ARIZONA_DSP4RMIX_INPUT_1_SOURCE), +ARIZONA_MIXER_CONTROLS("DSP4R", ARIZONA_DSP4RMIX_INPUT_1_SOURCE), ARIZONA_MIXER_CONTROLS("Mic", ARIZONA_MICMIX_INPUT_1_SOURCE), ARIZONA_MIXER_CONTROLS("Noise", ARIZONA_NOISEMIX_INPUT_1_SOURCE), diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c index 9321e5c..4eee59d 100644 --- a/sound/soc/davinci/davinci-mcasp.c +++ b/sound/soc/davinci/davinci-mcasp.c @@ -626,7 +626,8 @@ static int davinci_config_channel_size(struct davinci_audio_dev *dev, int word_length) { u32 fmt; - u32 rotate = (word_length / 4) & 0x7; + u32 tx_rotate = (word_length / 4) & 0x7; + u32 rx_rotate = (32 - word_length) / 4; u32 mask = (1ULL << word_length) - 1; /* @@ -647,9 +648,9 @@ static int davinci_config_channel_size(struct davinci_audio_dev *dev, RXSSZ(fmt), RXSSZ(0x0F)); mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMT_REG, TXSSZ(fmt), TXSSZ(0x0F)); - mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMT_REG, TXROT(rotate), + mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMT_REG, TXROT(tx_rotate), TXROT(7)); - mcasp_mod_bits(dev->base + DAVINCI_MCASP_RXFMT_REG, RXROT(rotate), + mcasp_mod_bits(dev->base + DAVINCI_MCASP_RXFMT_REG, RXROT(rx_rotate), RXROT(7)); mcasp_set_reg(dev->base + DAVINCI_MCASP_TXMASK_REG, mask); mcasp_set_reg(dev->base + DAVINCI_MCASP_RXMASK_REG, mask); diff --git a/tools/perf/scripts/python/net_dropmonitor.py b/tools/perf/scripts/python/net_dropmonitor.py index a4ffc95..4c11605 100755 --- a/tools/perf/scripts/python/net_dropmonitor.py +++ b/tools/perf/scripts/python/net_dropmonitor.py @@ -40,9 +40,9 @@ def get_kallsyms_table(): def get_sym(sloc): loc = int(sloc) - for i in kallsyms: - if (i['loc'] >= loc): - return (i['name'], i['loc']-loc) + for i in kallsyms[::-1]: + if loc >= i['loc']: + return (i['name'], loc - i['loc']) return (None, 0) def print_drop_table(): @@ -64,7 +64,7 @@ def trace_end(): # called from perf, when it finds a correspoinding event def skb__kfree_skb(name, context, cpu, sec, nsec, pid, comm, - skbaddr, protocol, location): + skbaddr, location, protocol): slocation = str(location) try: drop_log[slocation] = drop_log[slocation] + 1