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    SubjectRe: [PATCH v2 01/22] KVM: MMU: fix walking shadow page table
    On 06/23/2011 01:13 AM, Marcelo Tosatti wrote:
    > On Wed, Jun 22, 2011 at 10:28:04PM +0800, Xiao Guangrong wrote:
    >> Properly check the last mapping, and do not walk to the next level if last spte
    >> is met
    >>
    >> Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
    >> ---
    >> arch/x86/kvm/mmu.c | 9 +++++----
    >> 1 files changed, 5 insertions(+), 4 deletions(-)
    >>
    >> diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
    >> index 9c629b5..f474e93 100644
    >> --- a/arch/x86/kvm/mmu.c
    >> +++ b/arch/x86/kvm/mmu.c
    >> @@ -1517,10 +1517,6 @@ static bool shadow_walk_okay(struct kvm_shadow_walk_iterator *iterator)
    >> if (iterator->level < PT_PAGE_TABLE_LEVEL)
    >> return false;
    >>
    >> - if (iterator->level == PT_PAGE_TABLE_LEVEL)
    >
    > Change to >= PT_PAGE_TABLE_LEVEL, checks should be in shadow_walk_okay.
    >

    OK, will fix, thanks!


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