From 7c5625227ff8c81953e953d8e25c3eba2ab0aeb3 Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Mon, 28 Mar 2011 10:29:27 +0800 Subject: KVM: MMU: remove mmu_seq verification on pte update path The mmu_seq verification can be removed since we get the pfn in the protection of mmu_lock. Signed-off-by: Xiao Guangrong Signed-off-by: Avi Kivity --- arch/x86/kvm/paging_tmpl.h | 4 +--- 1 file changed, 1 insertion(+), 3 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 c6397795d86..74f8567d57a 100644 --- a/arch/x86/kvm/paging_tmpl.h +++ b/arch/x86/kvm/paging_tmpl.h @@ -325,7 +325,7 @@ no_present: } static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, - u64 *spte, const void *pte, unsigned long mmu_seq) + u64 *spte, const void *pte) { pt_element_t gpte; unsigned pte_access; @@ -342,8 +342,6 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp, kvm_release_pfn_clean(pfn); return; } - if (mmu_notifier_retry(vcpu, mmu_seq)) - return; /* * we call mmu_set_spte() with host_writable = true because that -- cgit v1.2.3-70-g09d2