[PATCH 39/50] KVM: Do not calculate linear rip in emulation failure report

[Avi Kivity]

From: Glauber Costa <gcosta@xxxxxxxxxx>

If we're not gonna do anything (case in which failure is already
reported), we do not need to even bother with calculating the linear rip.

Signed-off-by: Glauber Costa <gcosta@xxxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
---
 arch/x86/kvm/x86.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d568792..82196c3 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2081,11 +2081,11 @@ void kvm_report_emulation_failure(struct kvm_vcpu *vcpu, const char *context)
 	unsigned long rip = vcpu->arch.rip;
 	unsigned long rip_linear;
 
-	rip_linear = rip + get_segment_base(vcpu, VCPU_SREG_CS);
-
 	if (reported)
 		return;
 
+	rip_linear = rip + get_segment_base(vcpu, VCPU_SREG_CS);
+
 	emulator_read_std(rip_linear, (void *)opcodes, 4, vcpu);
 
 	printk(KERN_ERR "emulation failed (%s) rip %lx %02x %02x %02x %02x\n",
-- 
1.5.6

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