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Diffstat (limited to 'kernel/time/timer_stats.c')
-rw-r--r--kernel/time/timer_stats.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c
index 63b117e9eba1..2f3b585b8d7d 100644
--- a/kernel/time/timer_stats.c
+++ b/kernel/time/timer_stats.c
@@ -86,7 +86,7 @@ static DEFINE_SPINLOCK(table_lock);
86/* 86/*
87 * Per-CPU lookup locks for fast hash lookup: 87 * Per-CPU lookup locks for fast hash lookup:
88 */ 88 */
89static DEFINE_PER_CPU(spinlock_t, tstats_lookup_lock); 89static DEFINE_PER_CPU(raw_spinlock_t, tstats_lookup_lock);
90 90
91/* 91/*
92 * Mutex to serialize state changes with show-stats activities: 92 * Mutex to serialize state changes with show-stats activities:
@@ -238,7 +238,7 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
238 /* 238 /*
239 * It doesnt matter which lock we take: 239 * It doesnt matter which lock we take:
240 */ 240 */
241 spinlock_t *lock; 241 raw_spinlock_t *lock;
242 struct entry *entry, input; 242 struct entry *entry, input;
243 unsigned long flags; 243 unsigned long flags;
244 244
@@ -253,7 +253,7 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
253 input.pid = pid; 253 input.pid = pid;
254 input.timer_flag = timer_flag; 254 input.timer_flag = timer_flag;
255 255
256 spin_lock_irqsave(lock, flags); 256 raw_spin_lock_irqsave(lock, flags);
257 if (!timer_stats_active) 257 if (!timer_stats_active)
258 goto out_unlock; 258 goto out_unlock;
259 259
@@ -264,7 +264,7 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
264 atomic_inc(&overflow_count); 264 atomic_inc(&overflow_count);
265 265
266 out_unlock: 266 out_unlock:
267 spin_unlock_irqrestore(lock, flags); 267 raw_spin_unlock_irqrestore(lock, flags);
268} 268}
269 269
270static void print_name_offset(struct seq_file *m, unsigned long addr) 270static void print_name_offset(struct seq_file *m, unsigned long addr)
@@ -348,10 +348,11 @@ static void sync_access(void)
348 int cpu; 348 int cpu;
349 349
350 for_each_online_cpu(cpu) { 350 for_each_online_cpu(cpu) {
351 spinlock_t *lock = &per_cpu(tstats_lookup_lock, cpu); 351 raw_spinlock_t *lock = &per_cpu(tstats_lookup_lock, cpu);
352 spin_lock_irqsave(lock, flags); 352
353 raw_spin_lock_irqsave(lock, flags);
353 /* nothing */ 354 /* nothing */
354 spin_unlock_irqrestore(lock, flags); 355 raw_spin_unlock_irqrestore(lock, flags);
355 } 356 }
356} 357}
357 358
@@ -409,7 +410,7 @@ void __init init_timer_stats(void)
409 int cpu; 410 int cpu;
410 411
411 for_each_possible_cpu(cpu) 412 for_each_possible_cpu(cpu)
412 spin_lock_init(&per_cpu(tstats_lookup_lock, cpu)); 413 raw_spin_lock_init(&per_cpu(tstats_lookup_lock, cpu));
413} 414}
414 415
415static int __init init_tstats_procfs(void) 416static int __init init_tstats_procfs(void)