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KVM: x86: Clearing rflags.rf upon skipped emulated instruction

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When skipping an emulated instruction, rflags.rf should be cleared as it would
be on real x86 CPU.

Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Nadav Amit 2014-07-21 14:37:26 +03:00 committed by Paolo Bonzini
parent ec10b72701
commit bb663c7ada
1 changed files with 2 additions and 0 deletions
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2
arch/x86/kvm/x86.c
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@ -5229,6 +5229,8 @@ int x86_emulate_instruction(struct kvm_vcpu *vcpu,
if (emulation_type & EMULTYPE_SKIP) {
kvm_rip_write(vcpu, ctxt->_eip);
if (ctxt->eflags & X86_EFLAGS_RF)
kvm_set_rflags(vcpu, ctxt->eflags & ~X86_EFLAGS_RF);
return EMULATE_DONE;
}