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KVM: x86 emulator: cleanup nop emulation

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Make it more explicit what we are checking for.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2010-04-28 19:15:25 +03:00 committed by Avi Kivity
parent f0c13ef1a8
commit b8a98945ea
1 changed files with 2 additions and 2 deletions
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arch/x86/kvm/emulate.c
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@ -2799,8 +2799,8 @@ special_insn:
goto done;
break;
case 0x90: /* nop / xchg r8,rax */
if (!(c->rex_prefix & 1)) { /* nop */
c->dst.type = OP_NONE;
if (c->dst.ptr == (unsigned long *)&c->regs[VCPU_REGS_RAX]) {
c->dst.type = OP_NONE; /* nop */
break;
}
case 0x91 ... 0x97: /* xchg reg,rax */