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authorLinus Torvalds <torvalds@linux-foundation.org>2012-07-05 13:16:21 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-07-05 13:16:21 -0700
commit6bc51545da17614c3fd0fc782c0847c154a2c207 (patch)
treec3a3868ba013384c421540d135581c2b4d469749 /arch
parent24eee627eb7b05ac3cbca240f36b615969e65775 (diff)
parent85b7059169e128c57a3a8a3e588fb89cb2031da1 (diff)
Merge git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fix from Marcelo Tosatti: "Memory leak and oops on the x86 mmu code, and sanitization of the KVM_IRQFD ioctl." * git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: MMU: fix shrinking page from the empty mmu KVM: fix fault page leak KVM: Sanitize KVM_IRQFD flags KVM: Add missing KVM_IRQFD API documentation KVM: Pass kvm_irqfd to functions
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/mmu.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index be3cea4407ff..57e168e27b5b 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3934,6 +3934,9 @@ static void kvm_mmu_remove_some_alloc_mmu_pages(struct kvm *kvm,
{
struct kvm_mmu_page *page;
+ if (list_empty(&kvm->arch.active_mmu_pages))
+ return;
+
page = container_of(kvm->arch.active_mmu_pages.prev,
struct kvm_mmu_page, link);
kvm_mmu_prepare_zap_page(kvm, page, invalid_list);