1 files changed, 5 insertions, 5 deletions

diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index e66edfa1f3b9..e773a794ec45 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -285,7 +285,7 @@ static __cpuinit void sync_tsc(void)
         int i, done = 0;
         long delta, adj, adjust_latency = 0;
         unsigned long flags, rt, master_time_stamp, bound;
-#if DEBUG_TSC_SYNC
+#ifdef DEBUG_TSC_SYNC
         static struct syncdebug {
                 long rt;        /* roundtrip time */
                 long master;    /* master's timestamp */
@@ -321,7 +321,7 @@ static __cpuinit void sync_tsc(void)
                                 rdtscll(t);
                                 wrmsrl(MSR_IA32_TSC, t + adj);
                         }
-#if DEBUG_TSC_SYNC
+#ifdef DEBUG_TSC_SYNC
                         t[i].rt = rt;
                         t[i].master = master_time_stamp;
                         t[i].diff = delta;
@@ -331,7 +331,7 @@ static __cpuinit void sync_tsc(void)
         }
         spin_unlock_irqrestore(&tsc_sync_lock, flags);
 
-#if DEBUG_TSC_SYNC
+#ifdef DEBUG_TSC_SYNC
         for (i = 0; i < NUM_ROUNDS; ++i)
                 printk("rt=%5ld master=%5ld diff=%5ld adjlat=%5ld\n",
                        t[i].rt, t[i].master, t[i].diff, t[i].lat);
@@ -537,7 +537,7 @@ void __cpuinit start_secondary(void)
 extern volatile unsigned long init_rsp;
 extern void (*initial_code)(void);
 
-#if APIC_DEBUG
+#ifdef APIC_DEBUG
 static void inquire_remote_apic(int apicid)
 {
         unsigned i, regs[] = { APIC_ID >> 4, APIC_LVR >> 4, APIC_SPIV >> 4 };
@@ -841,7 +841,7 @@ do_rest:
                         else
                                 /* trampoline code not run */
                                 printk("Not responding.\n");
-#if APIC_DEBUG
+#ifdef APIC_DEBUG
                         inquire_remote_apic(apicid);
 #endif
                 }