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Commit d53db5ef authored by Avi Kivity's avatar Avi Kivity
Browse files

KVM: x86 emulator: drop DPRINTF() 



Failed emulation is reported via a tracepoint; the cmps printk is pointless.

Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent 8a6bcaa6

arch/x86/kvm/emulate.c

+1 −6
Original line number Diff line number Diff line
@@ -22,7 +22,6 @@ 


#include <linux/kvm_host.h>

#include "kvm_cache_regs.h"

#define DPRINTF(x...) do {} while (0)

#include <linux/module.h>

#include <asm/kvm_emulate.h>
@@ -2796,10 +2795,8 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt) 
	c->execute = opcode.u.execute;



	/* Unrecognised? */

	if (c->d == 0 || (c->d & Undefined)) {

		DPRINTF("Cannot emulate %02x\n", c->b);

	if (c->d == 0 || (c->d & Undefined))

		return -1;

	}



	if (mode == X86EMUL_MODE_PROT64 && (c->d & Stack))

		c->op_bytes = 8;
@@ -3261,7 +3258,6 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt) 
		break;

	case 0xa6 ... 0xa7:	/* cmps */

		c->dst.type = OP_NONE; /* Disable writeback. */

		DPRINTF("cmps: mem1=0x%p mem2=0x%p\n", c->src.addr.mem, c->dst.addr.mem);

		goto cmp;

	case 0xa8 ... 0xa9:	/* test ax, imm */

		goto test;
@@ -3778,6 +3774,5 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt) 
	goto writeback;



cannot_emulate:

	DPRINTF("Cannot emulate %02x\n", c->b);

	return -1;

}