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| author | Hugh Dickins <hugh@veritas.com> | 2008-07-25 20:45:00 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-28 16:35:03 +0200 |
| commit | 2c3d103ba90827cfb478bf10464d9b5b9cea369c (patch) | |
| tree | 96c795c57a69a2a94ff1f077b1285136f4647b25 | |
| parent | sched: test runtime rather than period in global_rt_runtime() (diff) | |
| download | linux-2c3d103ba90827cfb478bf10464d9b5b9cea369c.tar.xz linux-2c3d103ba90827cfb478bf10464d9b5b9cea369c.zip | |
sched: move sched_clock before first use
Move sched_clock() up to stop warning: weak declaration of `sched_clock'
after first use results in unspecified behavior (if -fno-unit-at-a-time).
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: Mike Travis <travis@sgi.com>
Cc: Ben Herrenschmidt <benh@kernel.crashing.org>
Cc: Linuxppc-dev@ozlabs.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | kernel/sched_clock.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c index 22ed55d1167f..5a2dc7d8fd98 100644 --- a/kernel/sched_clock.c +++ b/kernel/sched_clock.c @@ -32,6 +32,15 @@ #include <linux/ktime.h> #include <linux/module.h> +/* + * Scheduler clock - returns current time in nanosec units. + * This is default implementation. + * Architectures and sub-architectures can override this. + */ +unsigned long long __attribute__((weak)) sched_clock(void) +{ + return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ); +} #ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK @@ -321,16 +330,6 @@ EXPORT_SYMBOL_GPL(sched_clock_idle_wakeup_event); #endif -/* - * Scheduler clock - returns current time in nanosec units. - * This is default implementation. - * Architectures and sub-architectures can override this. - */ -unsigned long long __attribute__((weak)) sched_clock(void) -{ - return (unsigned long long)jiffies * (NSEC_PER_SEC / HZ); -} - unsigned long long cpu_clock(int cpu) { unsigned long long clock; |