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| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2011-03-04 14:00:00 +0300 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2011-03-17 19:08:32 +0300 |
| commit | 49b26e26e4b7b94753b39f7edb0c34f3d1c4c167 (patch) | |
| tree | 227a106a1e9a5383b290d718bcfad01297fc0c22 /arch/x86/kvm/paging_tmpl.h | |
| parent | 48c0e4e9067eb085e7b300628c9640df071aac55 (diff) | |
| download | linux-49b26e26e4b7b94753b39f7edb0c34f3d1c4c167.tar.xz | |
KVM: MMU: do not record gfn in kvm_mmu_pte_write
No need to record the gfn to verifier the pte has the same mode as
current vcpu, it's because we only speculatively update the pte only
if the pte and vcpu have the same mode
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/paging_tmpl.h')
| -rw-r--r-- | arch/x86/kvm/paging_tmpl.h | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h index 6bccc24c4181..b3862eeabb8a 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -339,8 +339,6 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, pgprintk("%s: gpte %llx spte %p\n", __func__, (u64)gpte, spte); pte_access = sp->role.access & FNAME(gpte_access)(vcpu, gpte); - if (gpte_to_gfn(gpte) != vcpu->arch.update_pte.gfn) - return; pfn = vcpu->arch.update_pte.pfn; if (is_error_pfn(pfn)) return; |