linux-kernel - [PATCH 2/5] KVM: SVM: Fix SMP with kernel apic

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Message-Id: <11945181301284-git-send-email-avi@qumranet.com>
Date:	Thu,  8 Nov 2007 12:35:27 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, Avi Kivity <avi@...ranet.com>
Subject: [PATCH 2/5] KVM: SVM: Fix SMP with kernel apic

AP processor needs to reset to the SIPI vector, not normal INIT.

Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 drivers/kvm/svm.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 729f1cd..3910358 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -561,6 +561,12 @@ static void svm_vcpu_reset(struct kvm_vcpu *vcpu)
 	struct vcpu_svm *svm = to_svm(vcpu);
 
 	init_vmcb(svm->vmcb);
+
+	if (vcpu->vcpu_id != 0) {
+		svm->vmcb->save.rip = 0;
+		svm->vmcb->save.cs.base = svm->vcpu.sipi_vector << 12;
+		svm->vmcb->save.cs.selector = svm->vcpu.sipi_vector << 8;
+	}
 }
 
 static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
-- 
1.5.3

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