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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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virt/kvm/kvm_main.c
+3
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@@ -405,6 +405,9 @@ int __kvm_set_memory_region(struct kvm *kvm,
if (mem->slot >= kvm->nmemslots)
kvm->nmemslots = mem->slot + 1;
if (!npages)
kvm_arch_flush_shadow(kvm);
*memslot = new;
r = kvm_arch_set_memory_region(kvm, mem, old, user_alloc);