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KVM: x86: never re-execute instruction with enabled tdp

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With tdp enabled we should get into emulator only when emulating io, so
reexecution will always bring us back into emulator.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Gleb Natapov 2010-07-14 19:05:45 +03:00 committed by Avi Kivity
parent d153513dde
commit 68be080345
1 changed files with 3 additions and 0 deletions
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3
arch/x86/kvm/x86.c
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@ -3936,6 +3936,9 @@ static bool reexecute_instruction(struct kvm_vcpu *vcpu, gva_t gva)
{
gpa_t gpa;
if (tdp_enabled)
return false;
/*
* if emulation was due to access to shadowed page table
* and it failed try to unshadow page and re-entetr the