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authorAvi Kivity <avi@qumranet.com>2007-01-06 01:36:52 +0100
committerLinus Torvalds <torvalds@woody.osdl.org>2007-01-06 08:55:27 +0100
commitf51234c2cd3ab8bed836e09686e27877e1b55f2a (patch)
treefbdfbfaf5d7b9c80a105d15b28d600653661572b
parent[PATCH] KVM: MMU: Treat user-mode faults as a hint that a page is no longer a... (diff)
downloadlinux-f51234c2cd3ab8bed836e09686e27877e1b55f2a.tar.xz
linux-f51234c2cd3ab8bed836e09686e27877e1b55f2a.zip
[PATCH] KVM: MMU: Free pages on kvm destruction
Because mmu pages have attached rmap and parent pte chain structures, we need to zap them before freeing so the attached structures are freed. Signed-off-by: Avi Kivity <avi@qumranet.com> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--drivers/kvm/mmu.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index f16321498093..0bd2a19709ce 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -1065,9 +1065,14 @@ EXPORT_SYMBOL_GPL(kvm_mmu_free_some_pages);
static void free_mmu_pages(struct kvm_vcpu *vcpu)
{
- while (!list_empty(&vcpu->free_pages)) {
- struct kvm_mmu_page *page;
+ struct kvm_mmu_page *page;
+ while (!list_empty(&vcpu->kvm->active_mmu_pages)) {
+ page = container_of(vcpu->kvm->active_mmu_pages.next,
+ struct kvm_mmu_page, link);
+ kvm_mmu_zap_page(vcpu, page);
+ }
+ while (!list_empty(&vcpu->free_pages)) {
page = list_entry(vcpu->free_pages.next,
struct kvm_mmu_page, link);
list_del(&page->link);