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KVM: x86: popf emulation should not change RF

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RFLAGS.RF is always zero after popf. Therefore, popf should not updated RF, as
anyhow emulating popf, just as any other instruction should clear RFLAGS.RF.

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 14:37:28 +03:00 committed by Paolo Bonzini
parent bb663c7ada
commit 163b135e7b
1 changed files with 1 additions and 1 deletions
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arch/x86/kvm/emulate.c
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@ -1675,7 +1675,7 @@ static int emulate_popf(struct x86_emulate_ctxt *ctxt,
return rc;
change_mask = EFLG_CF | EFLG_PF | EFLG_AF | EFLG_ZF | EFLG_SF | EFLG_OF
| EFLG_TF | EFLG_DF | EFLG_NT | EFLG_RF | EFLG_AC | EFLG_ID;
| EFLG_TF | EFLG_DF | EFLG_NT | EFLG_AC | EFLG_ID;
switch(ctxt->mode) {
case X86EMUL_MODE_PROT64: