linux-kernel - [PATCH 04/12] KVM: SVM: Add clean-bit for the ASID

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Date:	Fri, 3 Dec 2010 11:45:51 +0100
From:	Joerg Roedel <joerg.roedel@....com>
To:	Avi Kivity <avi@...hat.com>, Marcelo Tosatti <mtosatti@...hat.com>
CC:	<kvm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Joerg Roedel <joerg.roedel@....com>
Subject: [PATCH 04/12] KVM: SVM: Add clean-bit for the ASID

This patch implements the clean-bit for the asid in the
vmcb.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 arch/x86/kvm/svm.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 3ab42be..8675048 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -189,6 +189,7 @@ enum {
 	VMCB_INTERCEPTS, /* Intercept vectors, TSC offset,
 			    pause filter count */
 	VMCB_PERM_MAP,   /* IOPM Base and MSRPM Base */
+	VMCB_ASID,	 /* ASID */
 	VMCB_DIRTY_MAX,
 };
 
@@ -1488,6 +1489,8 @@ static void new_asid(struct vcpu_svm *svm, struct svm_cpu_data *sd)
 
 	svm->asid_generation = sd->asid_generation;
 	svm->vmcb->control.asid = sd->next_asid++;
+
+	mark_dirty(svm->vmcb, VMCB_ASID);
 }
 
 static void svm_set_dr7(struct kvm_vcpu *vcpu, unsigned long value)
-- 
1.7.1


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