From: Gleb Natapov <gleb@redhat.com>
Date: Mon, 21 Jan 2013 13:36:42 +0000 (+0200)
Subject: KVM: VMX: reset CPL only on CS register write.
X-Git-Tag: v3.9-rc1~97^2~23
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2f143240cb822c0d23ad591b89fe10e7c1f842f5;p=platform%2Fkernel%2Flinux-exynos.git

KVM: VMX: reset CPL only on CS register write.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 9d2ec88..edfbe94 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3269,7 +3269,8 @@ static void vmx_set_segment(struct kvm_vcpu *vcpu,
 	const struct kvm_vmx_segment_field *sf = &kvm_vmx_segment_fields[seg];
 
 	vmx_segment_cache_clear(vmx);
-	__clear_bit(VCPU_EXREG_CPL, (ulong *)&vcpu->arch.regs_avail);
+	if (seg == VCPU_SREG_CS)
+		__clear_bit(VCPU_EXREG_CPL, (ulong *)&vcpu->arch.regs_avail);
 
 	if (vmx->rmode.vm86_active && seg != VCPU_SREG_LDTR) {
 		vmx->rmode.segs[seg] = *var;