x86: Use printk_once()

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
LKML-Reference: <1249847649-11631-6-git-send-email-marcin.slusarz@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 6 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fe5474aec41a..0572c90f0c84 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2261,12 +2261,7 @@ static int emulator_cmpxchg_emulated(unsigned long addr,
                                      unsigned int bytes,
                                      struct kvm_vcpu *vcpu)
 {
-        static int reported;
-
-        if (!reported) {
-                reported = 1;
-                printk(KERN_WARNING "kvm: emulating exchange as write\n");
-        }
+        printk_once(KERN_WARNING "kvm: emulating exchange as write\n");
 #ifndef CONFIG_X86_64
         /* guests cmpxchg8b have to be emulated atomically */
         if (bytes == 8) {