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Commit 643bec95 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

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: default avatarIngo Molnar <mingo@elte.hu>
parent 975e5f45

arch/x86/kernel/tsc_sync.c

+6 −8
Original line number Diff line number Diff line
@@ -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;
@@ -113,12 +114,11 @@ 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]:",

	pr_info("checking TSC synchronization [CPU#%d -> CPU#%d]:",

		smp_processor_id(), cpu);



	/*
@@ -143,7 +143,7 @@ void __cpuinit check_tsc_sync_source(int cpu) 


	if (nr_warps) {

		printk("\n");

		printk(KERN_WARNING "Measured %Ld cycles TSC warp between CPUs,"

		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 {
@@ -195,5 +195,3 @@ void __cpuinit check_tsc_sync_target(void) 
	while (atomic_read(&stop_count) != cpus)

		cpu_relax();

}
 
#undef NR_LOOPS