It is necessary to flush all TLB's when a large spte entry is
overwritten with a normal page directory pointer.
Signed-off-by: Marcelo Tosatti <[EMAIL PROTECTED]>
Index: kvm/arch/x86/kvm/paging_tmpl.h
===================================================================
--- kvm.orig/arch/x86/kvm/paging_tmpl.h
+++ kvm/arch/x86/kvm/paging_tmpl.h
@@ -310,8 +310,11 @@ static int FNAME(shadow_walk_entry)(stru
if (is_shadow_present_pte(*sptep) && !is_large_pte(*sptep))
return 0;
- if (is_large_pte(*sptep))
+ if (is_large_pte(*sptep)) {
+ set_shadow_pte(sptep, shadow_trap_nonpresent_pte);
+ kvm_flush_remote_tlbs(vcpu->kvm);
rmap_remove(vcpu->kvm, sptep);
+ }
if (level == PT_DIRECTORY_LEVEL && gw->level == PT_DIRECTORY_LEVEL) {
metaphysical = 1;
--
--
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