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authorGleb Natapov <gleb@redhat.com>2009-08-06 14:40:04 -0300
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-08 20:17:25 -0700
commitd2127c8300fb1ec54af56faee17170e7a525326d (patch)
treeb98b281abdd718b4530f2b9eaa723db5a0ba6fe1
parent67e34f302bc4584204f1bcd00caca5be46834546 (diff)
KVM: MMU: do not free active mmu pages in free_mmu_pages()
(cherry picked from commit f00be0cae4e6ad0a8c7be381c6d9be3586800b3e) free_mmu_pages() should only undo what alloc_mmu_pages() does. Free mmu pages from the generic VM destruction function, kvm_destroy_vm(). Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--arch/x86/kvm/mmu.c8
-rw-r--r--virt/kvm/kvm_main.c2
2 files changed, 2 insertions, 8 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index f23e7a49bdb3..3e5f086eb0f6 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1976,14 +1976,6 @@ EXPORT_SYMBOL_GPL(kvm_disable_tdp);
static void free_mmu_pages(struct kvm_vcpu *vcpu)
{
- struct kvm_mmu_page *sp;
-
- while (!list_empty(&vcpu->kvm->arch.active_mmu_pages)) {
- sp = container_of(vcpu->kvm->arch.active_mmu_pages.next,
- struct kvm_mmu_page, link);
- kvm_mmu_zap_page(vcpu->kvm, sp);
- cond_resched();
- }
free_page((unsigned long)vcpu->arch.mmu.pae_root);
}
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 0772a89fdb50..53ab86d46698 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -406,6 +406,8 @@ static void kvm_destroy_vm(struct kvm *kvm)
#endif
#if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER)
mmu_notifier_unregister(&kvm->mmu_notifier, kvm->mm);
+#else
+ kvm_arch_flush_shadow(kvm);
#endif
kvm_arch_destroy_vm(kvm);
mmdrop(mm);