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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2010-03-01 02:55:20 -0500
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-03-01 02:55:20 -0500
commit35858adbfca13678af99fb31618ef4428d6dedb0 (patch)
tree3336feaa61324486945816cb52c347733e7c0821 /kernel/sched_clock.c
parent197d4db752e67160d79fed09968c2140376a80a3 (diff)
parent4b70858ba8d4537daf782defebe5f2ff80ccef2b (diff)
Merge branch 'next' into for-linus
Diffstat (limited to 'kernel/sched_clock.c')
-rw-r--r--kernel/sched_clock.c23
1 files changed, 15 insertions, 8 deletions
diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c
index 479ce5682d7c..5b496132c28a 100644
--- a/kernel/sched_clock.c
+++ b/kernel/sched_clock.c
@@ -236,6 +236,18 @@ void sched_clock_idle_wakeup_event(u64 delta_ns)
236} 236}
237EXPORT_SYMBOL_GPL(sched_clock_idle_wakeup_event); 237EXPORT_SYMBOL_GPL(sched_clock_idle_wakeup_event);
238 238
239unsigned long long cpu_clock(int cpu)
240{
241 unsigned long long clock;
242 unsigned long flags;
243
244 local_irq_save(flags);
245 clock = sched_clock_cpu(cpu);
246 local_irq_restore(flags);
247
248 return clock;
249}
250
239#else /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */ 251#else /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */
240 252
241void sched_clock_init(void) 253void sched_clock_init(void)
@@ -251,17 +263,12 @@ u64 sched_clock_cpu(int cpu)
251 return sched_clock(); 263 return sched_clock();
252} 264}
253 265
254#endif /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */
255 266
256unsigned long long cpu_clock(int cpu) 267unsigned long long cpu_clock(int cpu)
257{ 268{
258 unsigned long long clock; 269 return sched_clock_cpu(cpu);
259 unsigned long flags; 270}
260 271
261 local_irq_save(flags); 272#endif /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */
262 clock = sched_clock_cpu(cpu);
263 local_irq_restore(flags);
264 273
265 return clock;
266}
267EXPORT_SYMBOL_GPL(cpu_clock); 274EXPORT_SYMBOL_GPL(cpu_clock);