KVM: x86 emulator: drop DPRINTF()

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

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index ffd6e017b619353811efd983768b7b4e107f7063..3325b4747394b1c7ab31cc2f5ad44facbd7c8d0e 100644 (file)
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -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 @@ done_prefixes:
        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 @@ special_insn:
                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 @@ twobyte_insn:
        goto writeback;
 
 cannot_emulate:
-       DPRINTF("Cannot emulate %02x\n", c->b);
        return -1;
 }