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    Contents of /trunk/kernel26-xen/patches-2.6.25-r1/1135-2.6.25-xen-64-Unpin-user-pagetable-on-xen_pgd_unpin.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: 912 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 9db9c8da726e25f93b9c064e5cda381ba9f712cd Mon Sep 17 00:00:00 2001
    2 From: Eduardo Habkost <ehabkost@redhat.com>
    3 Date: Fri, 8 Feb 2008 13:41:33 -0200
    4 Subject: [PATCH] Xen-64: Unpin user pagetable on xen_pgd_unpin()
    5
    6 Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
    7 ---
    8 arch/x86/xen/mmu.c | 6 ++++++
    9 1 files changed, 6 insertions(+), 0 deletions(-)
    10
    11 diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
    12 index 053ce3e..3718523 100644
    13 --- a/arch/x86/xen/mmu.c
    14 +++ b/arch/x86/xen/mmu.c
    15 @@ -590,8 +590,14 @@ void xen_pgd_unpin(pgd_t *pgd)
    16 {
    17 xen_mc_batch();
    18
    19 +#ifdef CONFIG_X86_64
    20 + xen_do_pin(MMUEXT_UNPIN_TABLE, PFN_DOWN(__pa(__user_pgd(pgd))));
    21 +#endif
    22 xen_do_pin(MMUEXT_UNPIN_TABLE, PFN_DOWN(__pa(pgd)));
    23
    24 +#ifdef CONFIG_X86_64
    25 + pgd_walk(PARENT_FIRST, __user_pgd(pgd), unpin_page, 0, TASK_SIZE);
    26 +#endif
    27 pgd_walk(PARENT_FIRST, pgd, unpin_page, 0, TASK_SIZE);
    28
    29 xen_mc_issue(0);
    30 --
    31 1.5.4.1
    32