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| author |   Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-09-27 18:05:00 +0800 |
|---|---|---|
| committer |   Avi Kivity <avi@redhat.com> | 2010-10-24 10:53:11 +0200 |
| commit | 33f91edb9211f5c0392071f9eb01958ec69f2193 (patch) | |
| tree | c032c66208b1a889dbc13e6cdf2c39da23ad06ea /arch | |
| parent | KVM: MMU: cleanup for error mask set while walk guest page table (diff) | |
| download | linux-dev-33f91edb9211f5c0392071f9eb01958ec69f2193.tar.xz linux-dev-33f91edb9211f5c0392071f9eb01958ec69f2193.zip | |
KVM: MMU: set access bit for direct mapping
Set access bit while setup up direct page table if it's nonpaing or npt enabled,
it's good for CPU's speculate access
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 363004699012..88203fa4ef05 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2240,7 +2240,8 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, __set_spte(iterator.sptep, __pa(sp->spt) | PT_PRESENT_MASK | PT_WRITABLE_MASK - | shadow_user_mask | shadow_x_mask); + | shadow_user_mask | shadow_x_mask + | shadow_accessed_mask); } } return pt_write; |