x86: clean up arch/x86/kernel/tsc_sync.c a bit

 - remove unused define
 - make the lock variable definition stand out some more
 - convert KERN_* to pr_info() / pr_warning()

[ Impact: cleanup ]

LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index bf36328f6ef9289c4b1a1a7d0ffd9c67878f3f32..027b5b498993b6f0606367e2803f6fc9f15dca2c 100644 (file)
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -34,6 +34,7 @@ static __cpuinitdata atomic_t stop_count;
  * of a critical section, to be able to prove TSC time-warps:
  */
 static __cpuinitdata raw_spinlock_t sync_lock = __RAW_SPIN_LOCK_UNLOCKED;
+
 static __cpuinitdata cycles_t last_tsc;
 static __cpuinitdata cycles_t max_warp;
 static __cpuinitdata int nr_warps;
@@ -113,13 +114,12 @@ void __cpuinit check_tsc_sync_source(int cpu)
                return;
 
        if (boot_cpu_has(X86_FEATURE_TSC_RELIABLE)) {
-               printk(KERN_INFO
-                      "Skipping synchronization checks as TSC is reliable.\n");
+               pr_info("Skipping synchronization checks as TSC is reliable.\n");
                return;
        }
 
-       printk(KERN_INFO "checking TSC synchronization [CPU#%d -> CPU#%d]:",
-                         smp_processor_id(), cpu);
+       pr_info("checking TSC synchronization [CPU#%d -> CPU#%d]:",
+               smp_processor_id(), cpu);
 
        /*
         * Reset it - in case this is a second bootup:
@@ -143,8 +143,8 @@ void __cpuinit check_tsc_sync_source(int cpu)
 
        if (nr_warps) {
                printk("\n");
-               printk(KERN_WARNING "Measured %Ld cycles TSC warp between CPUs,"
-                                   " turning off TSC clock.\n", max_warp);
+               pr_warning("Measured %Ld cycles TSC warp between CPUs, "
+                          "turning off TSC clock.\n", max_warp);
                mark_tsc_unstable("check_tsc_sync_source failed");
        } else {
                printk(" passed.\n");
@@ -195,5 +195,3 @@ void __cpuinit check_tsc_sync_target(void)
        while (atomic_read(&stop_count) != cpus)
                cpu_relax();
 }
-#undef NR_LOOPS
-