diff options
author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2011-03-04 05:58:02 -0500 |
---|---|---|
committer | Marcelo Tosatti <mtosatti@redhat.com> | 2011-03-17 12:08:32 -0400 |
commit | 1b7fd45c32fcc170246bf10ba8d33871840319b8 (patch) | |
tree | 73b4b7a80ff48f47afdd2d08794bf14d13335131 /arch/x86/kvm/mmu.c | |
parent | da8dc75f0c4663a568a0ed4e744c6d55d428d8b6 (diff) |
KVM: MMU: set spte accessed bit properly
Set spte accessed bit only if guest_initiated == 1 that means the really
accessed
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
-rw-r--r-- | arch/x86/kvm/mmu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index b9bf016d7f0f..d5455b1b725f 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c | |||
@@ -3307,11 +3307,11 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, | |||
3307 | spin_lock(&vcpu->kvm->mmu_lock); | 3307 | spin_lock(&vcpu->kvm->mmu_lock); |
3308 | if (atomic_read(&vcpu->kvm->arch.invlpg_counter) != invlpg_counter) | 3308 | if (atomic_read(&vcpu->kvm->arch.invlpg_counter) != invlpg_counter) |
3309 | gentry = 0; | 3309 | gentry = 0; |
3310 | kvm_mmu_access_page(vcpu, gfn); | ||
3311 | kvm_mmu_free_some_pages(vcpu); | 3310 | kvm_mmu_free_some_pages(vcpu); |
3312 | ++vcpu->kvm->stat.mmu_pte_write; | 3311 | ++vcpu->kvm->stat.mmu_pte_write; |
3313 | trace_kvm_mmu_audit(vcpu, AUDIT_PRE_PTE_WRITE); | 3312 | trace_kvm_mmu_audit(vcpu, AUDIT_PRE_PTE_WRITE); |
3314 | if (guest_initiated) { | 3313 | if (guest_initiated) { |
3314 | kvm_mmu_access_page(vcpu, gfn); | ||
3315 | if (gfn == vcpu->arch.last_pt_write_gfn | 3315 | if (gfn == vcpu->arch.last_pt_write_gfn |
3316 | && !last_updated_pte_accessed(vcpu)) { | 3316 | && !last_updated_pte_accessed(vcpu)) { |
3317 | ++vcpu->arch.last_pt_write_count; | 3317 | ++vcpu->arch.last_pt_write_count; |