linux-kernel - [PATCH 10/12] KVM: SVM: Add clean-bit for Segements and CPL

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Date:	Fri, 3 Dec 2010 11:45:57 +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 10/12] KVM: SVM: Add clean-bit for Segements and CPL

This patch implements the clean-bit defined for the cs, ds,
ss, an es segemnts and the current cpl saved in the vmcb.

Signed-off-by: Joerg Roedel <joerg.roedel@....com>
---
 arch/x86/kvm/svm.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2236c9a..4c366fe 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -195,6 +195,7 @@ enum {
 	VMCB_CR,	 /* CR0, CR3, CR4, EFER */
 	VMCB_DR,         /* DR6, DR7 */
 	VMCB_DT,         /* GDT, IDT */
+	VMCB_SEG,        /* CS, DS, SS, ES, CPL */
 	VMCB_DIRTY_MAX,
 };
 
@@ -1457,6 +1458,7 @@ static void svm_set_segment(struct kvm_vcpu *vcpu,
 			= (svm->vmcb->save.cs.attrib
 			   >> SVM_SELECTOR_DPL_SHIFT) & 3;
 
+	mark_dirty(svm->vmcb, VMCB_SEG);
 }
 
 static void update_db_intercept(struct kvm_vcpu *vcpu)
-- 
1.7.1


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