From 49b26e26e4b7b94753b39f7edb0c34f3d1c4c167 Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Fri, 4 Mar 2011 19:00:00 +0800 Subject: 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 Signed-off-by: Avi Kivity --- arch/x86/kvm/paging_tmpl.h | 2 -- 1 file changed, 2 deletions(-) (limited to 'arch/x86/kvm/paging_tmpl.h') 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; -- cgit v1.2.3