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KVM: MMU: nuke shadowed pgtable pages and ptes on memslot destruction

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Flush the shadow mmu before removing regions to avoid stale entries.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Marcelo Tosatti 2008-07-10 20:49:31 -03:00 • committed by Avi Kivity
parent d6e88aec07
commit 34d4cb8fca
6 changed files with 20 additions and 0 deletions
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1
include/linux/kvm_host.h
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@ -168,6 +168,7 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
struct kvm_userspace_memory_region *mem,
struct kvm_memory_slot old,
int user_alloc);
void kvm_arch_flush_shadow(struct kvm *kvm);
gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn);
struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);