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KVM: Do not calculate linear rip in emulation failure report

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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@redhat.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Glauber Costa 2008-06-10 10:46:53 -03:00 committed by Avi Kivity
parent 622395a9e6
commit 25be46080f
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kvm/x86.c
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@ -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 = vcpu->arch.rip;
unsigned long rip_linear; unsigned long rip_linear;
rip_linear = rip + get_segment_base(vcpu, VCPU_SREG_CS);
if (reported) if (reported)
return; return;
rip_linear = rip + get_segment_base(vcpu, VCPU_SREG_CS);
emulator_read_std(rip_linear, (void *)opcodes, 4, vcpu); emulator_read_std(rip_linear, (void *)opcodes, 4, vcpu);
printk(KERN_ERR "emulation failed (%s) rip %lx %02x %02x %02x %02x\n", printk(KERN_ERR "emulation failed (%s) rip %lx %02x %02x %02x %02x\n",