linux-kernel - [PATCH 10/11] KVM: SVM: Clear exit

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Message-ID: <1267034360-5907-11-git-send-email-joerg.roedel@amd.com>
Date:	Wed, 24 Feb 2010 18:59:19 +0100
From:	Joerg Roedel <joerg.roedel@....com>
To:	Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>
CC:	Alexander Graf <agraf@...e.de>, kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 10/11] KVM: SVM: Clear exit_info for injected INTR exits

When injecting an vmexit.intr into the nested hypervisor
there might be leftover values in the exit_info fields.
Clear them to not confuse nested hypervisors.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 arch/x86/kvm/svm.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 22654de..ae2f211 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1485,7 +1485,9 @@ static inline bool nested_svm_intr(struct vcpu_svm *svm)
 	if (!(svm->vcpu.arch.hflags & HF_HIF_MASK))
 		return false;
 
-	svm->vmcb->control.exit_code = SVM_EXIT_INTR;
+	svm->vmcb->control.exit_code   = SVM_EXIT_INTR;
+	svm->vmcb->control.exit_info_1 = 0;
+	svm->vmcb->control.exit_info_2 = 0;
 
 	if (svm->nested.intercept & 1ULL) {
 		/*
-- 
1.7.0


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