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authorIngo Molnar2012-07-18 11:17:17 +0200
committerIngo Molnar2012-07-18 11:17:17 +0200
commita2fe194723f6e4990d01d8c208c7b138fd410522 (patch)
tree7aee93fa8f4ba1e18b56fa7d8eab75d249fc6966 /arch/x86/kvm
parentc3b7cdf180090d2686239a75bb0ae408108ed749 (diff)
parenta018540141a931f5299a866907b27886916b4374 (diff)
Merge branch 'linus' into perf/core
Pick up the latest ring-buffer fixes, before applying a new fix. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kvm')
-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);