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authorAvi Kivity <avi@qumranet.com>2007-01-06 01:36:49 +0100
committerLinus Torvalds <torvalds@woody.osdl.org>2007-01-06 08:55:26 +0100
commit5f1e0b6abcc100a79528387207adc3dd92aa5374 (patch)
tree5bdabf79d89bea50e66db6960611702e9c39543b /drivers/kvm/mmu.c
parent[PATCH] KVM: MMU: <ove is_empty_shadow_page() above kvm_mmu_free_page() (diff)
downloadlinux-5f1e0b6abcc100a79528387207adc3dd92aa5374.tar.xz
linux-5f1e0b6abcc100a79528387207adc3dd92aa5374.zip
[PATCH] KVM: MMU: Ensure freed shadow pages are clean
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>
Diffstat (limited to 'drivers/kvm/mmu.c')
-rw-r--r--drivers/kvm/mmu.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index c55ce7d1509e..b9ba240144b7 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -318,6 +318,7 @@ static void kvm_mmu_free_page(struct kvm_vcpu *vcpu, hpa_t page_hpa)
{
struct kvm_mmu_page *page_head = page_header(page_hpa);
+ ASSERT(is_empty_shadow_page(page_hpa));
list_del(&page_head->link);
page_head->page_hpa = page_hpa;
list_add(&page_head->link, &vcpu->free_pages);