From a041b814f0cc11af8f4db8b4a9c0944883ca7285 Mon Sep 17 00:00:00 2001 From: Gleb Natapov Date: Wed, 14 Jul 2010 19:05:45 +0300 Subject: [PATCH] KVM: x86: never re-execute instruction with enabled tdp 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 Signed-off-by: Marcelo Tosatti --- arch/x86/kvm/x86.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index eb55ec55125c2..689c2c3182ab1 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -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 -- 2.39.5