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Commit b8a98945 authored by Gleb Natapov's avatar Gleb Natapov Committed by Avi Kivity
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KVM: x86 emulator: cleanup nop emulation 



Make it more explicit what we are checking for.

Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent f0c13ef1

arch/x86/kvm/emulate.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -2799,8 +2799,8 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) 
			goto done;

			goto done;

		break;

		break;

	case 0x90: /* nop / xchg r8,rax */

	case 0x90: /* nop / xchg r8,rax */

		if (!(c->rex_prefix & 1)) { /* nop */

		if (c->dst.ptr == (unsigned long *)&c->regs[VCPU_REGS_RAX]) {

			c->dst.type = OP_NONE;

			c->dst.type = OP_NONE;  /* nop */

			break;

			break;

		}

		}

	case 0x91 ... 0x97: /* xchg reg,rax */

	case 0x91 ... 0x97: /* xchg reg,rax */