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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-19 12:47:49 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-19 12:47:49 -0500 |
commit | aac3d39693529ca538e37ebdb6ed5d6432a697c7 (patch) | |
tree | bb1b0c9fe0538008aa2c97c6f5d9dfc2a4c34190 /kernel/sched_clock.c | |
parent | 10e5453ffa0d04a2eda3cda3f55b88cb9c04595f (diff) | |
parent | 077614ee1e93245a3b9a4e1213659405dbeb0ba6 (diff) |
Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (25 commits)
sched: Fix broken assertion
sched: Assert task state bits at build time
sched: Update task_state_arraypwith new states
sched: Add missing state chars to TASK_STATE_TO_CHAR_STR
sched: Move TASK_STATE_TO_CHAR_STR near the TASK_state bits
sched: Teach might_sleep() about preemptible RCU
sched: Make warning less noisy
sched: Simplify set_task_cpu()
sched: Remove the cfs_rq dependency from set_task_cpu()
sched: Add pre and post wakeup hooks
sched: Move kthread_bind() back to kthread.c
sched: Fix select_task_rq() vs hotplug issues
sched: Fix sched_exec() balancing
sched: Ensure set_task_cpu() is never called on blocked tasks
sched: Use TASK_WAKING for fork wakups
sched: Select_task_rq_fair() must honour SD_LOAD_BALANCE
sched: Fix task_hot() test order
sched: Fix set_cpu_active() in cpu_down()
sched: Mark boot-cpu active before smp_init()
sched: Fix cpu_clock() in NMIs, on !CONFIG_HAVE_UNSTABLE_SCHED_CLOCK
...
Diffstat (limited to 'kernel/sched_clock.c')
-rw-r--r-- | kernel/sched_clock.c | 23 |
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 | } |
237 | EXPORT_SYMBOL_GPL(sched_clock_idle_wakeup_event); | 237 | EXPORT_SYMBOL_GPL(sched_clock_idle_wakeup_event); |
238 | 238 | ||
239 | unsigned 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 | ||
241 | void sched_clock_init(void) | 253 | void 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 | ||
256 | unsigned long long cpu_clock(int cpu) | 267 | unsigned 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 | } | ||
267 | EXPORT_SYMBOL_GPL(cpu_clock); | 274 | EXPORT_SYMBOL_GPL(cpu_clock); |