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    Contents of /trunk/kernel26-xen/patches-2.6.25-r1/1016-2.6.25-xen-x86_64-Add-64-bit-version-of-privcmd_hypercall.patch

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    Revision 606 - (show annotations) (download)
    Thu May 22 23:13:13 2008 UTC (16 years ago) by niro
    File size: 1781 byte(s) 
    -ver bump to 2.6.25-magellan-r1:
- linux-2.6.25.4
- fbcondecor-0.9.4
- squashfs-3.3
- unionfs-2.3.3
- tuxonice-3.0-rc7
- linux-phc-0.3.0
- acpi-dstd-0.9a
- reiser4
- xen-3.2.0
. ipw3945-1.2.2
    1 From 3ba4fd12c6ff5269a2e727c5f84aa7a18b8fa4a3 Mon Sep 17 00:00:00 2001
    2 From: Mark McLoughlin <markmc@redhat.com>
    3 Date: Thu, 6 Mar 2008 11:10:59 +0000
    4 Subject: [PATCH] xen x86_64: Add 64 bit version of privcmd_hypercall()
    5
    6 Signed-off-by: Mark McLoughlin <markmc@redhat.com>
    7 ---
    8 include/asm-x86/xen/hypercall.h | 28 ++++++++++++++++++++++++++++
    9 1 files changed, 28 insertions(+), 0 deletions(-)
    10
    11 diff --git a/include/asm-x86/xen/hypercall.h b/include/asm-x86/xen/hypercall.h
    12 index cd554ca..b0c518c 100644
    13 --- a/include/asm-x86/xen/hypercall.h
    14 +++ b/include/asm-x86/xen/hypercall.h
    15 @@ -412,6 +412,7 @@ MULTI_stack_switch(struct multicall_entry *mcl,
    16
    17 #include <xen/sys/privcmd.h>
    18
    19 +#ifdef CONFIG_X86_32
    20 static inline int privcmd_hypercall(privcmd_hypercall_t *hypercall)
    21 {
    22 int ret;
    23 @@ -437,5 +438,32 @@ static inline int privcmd_hypercall(privcmd_hypercall_t *hypercall)
    24
    25 return ret;
    26 }
    27 +#else /* CONFIG_X86_32 */
    28 +static inline int privcmd_hypercall(privcmd_hypercall_t *hypercall)
    29 +{
    30 + int ret;
    31 + long ign1, ign2, ign3;
    32 +
    33 + if (hypercall->op >= (PAGE_SIZE >> 5))
    34 + return -EINVAL;
    35 +
    36 + __asm__ __volatile__ (
    37 + "movq %8,%%r10; movq %9,%%r8;"
    38 + "shll $5,%%eax ;"
    39 + "addq $hypercall_page,%%rax ;"
    40 + "call *%%rax"
    41 + : "=a" (ret), "=D" (ign1),
    42 + "=S" (ign2), "=d" (ign3)
    43 + : "0" ((unsigned int)hypercall->op),
    44 + "1" (hypercall->arg[0]),
    45 + "2" (hypercall->arg[1]),
    46 + "3" (hypercall->arg[2]),
    47 + "g" (hypercall->arg[3]),
    48 + "g" (hypercall->arg[4])
    49 + : "r8", "r10", "memory" );
    50 +
    51 + return ret;
    52 +}
    53 +#endif /* CONFIG_X86_32 */
    54
    55 #endif /* __HYPERCALL_H__ */
    56 --
    57 1.5.4.1
    58