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    Contents of /trunk/kernel26-xen/patches-2.6.25-r1/1147-2.6.25-xen-64-quick-ugly-hack-to-fix-pgd_clear-pagetabl.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: 940 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 0f5f6cec686753c7096663ea48add203a8e0106b Mon Sep 17 00:00:00 2001
    2 From: Eduardo Habkost <ehabkost@redhat.com>
    3 Date: Wed, 20 Feb 2008 19:04:43 -0300
    4 Subject: [PATCH] Xen-64: quick, ugly hack to fix pgd_clear() pagetable unpinning (FIXME)
    5
    6 Should be fixed properly later.
    7
    8 Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
    9 ---
    10 include/asm-x86/paravirt.h | 4 ++++
    11 1 files changed, 4 insertions(+), 0 deletions(-)
    12
    13 diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
    14 index 784ea98..3fddadc 100644
    15 --- a/include/asm-x86/paravirt.h
    16 +++ b/include/asm-x86/paravirt.h
    17 @@ -1146,6 +1146,10 @@ static inline void set_pgd(pgd_t *pgdp, pgd_t pgd)
    18 static inline void pgd_clear(pgd_t *pgdp)
    19 {
    20 set_pgd(pgdp, __pgd(0));
    21 +#ifdef CONFIG_X86_64
    22 + /*FIXME: ugly ugly ugly ugly ugly ugly hack */
    23 + set_pgd((pgd_t*)(((unsigned long)pgdp)+PAGE_SIZE), __pgd(0));
    24 +#endif
    25 }
    26
    27 static inline void pud_clear(pud_t *pudp)
    28 --
    29 1.5.4.1
    30