From f3ac1a4b667eeffcedf779f45529c95d66ddc71a Mon Sep 17 00:00:00 2001 From: Xiao Guangrong Date: Tue, 16 Oct 2012 20:07:03 +0800 Subject: KVM: MMU: fix release noslot pfn We can not directly call kvm_release_pfn_clean to release the pfn since we can meet noslot pfn which is used to cache mmio info into spte Signed-off-by: Xiao Guangrong Cc: stable@vger.kernel.org Signed-off-by: Avi Kivity --- arch/x86/kvm/mmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'arch') diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index d289fee1ffb8..6f85fe0bf958 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2497,8 +2497,7 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep, } } - if (!is_error_pfn(pfn)) - kvm_release_pfn_clean(pfn); + kvm_release_pfn_clean(pfn); } static void nonpaging_new_cr3(struct kvm_vcpu *vcpu) -- cgit v1.2.3