diff options
author | Rafael J. Wysocki <rjw@sisk.pl> | 2009-12-06 16:06:11 +0100 |
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committer | Rafael J. Wysocki <rjw@sisk.pl> | 2009-12-06 16:06:11 +0100 |
commit | 64357ed468025614d48daa6cc87674ae5616f8fb (patch) | |
tree | 2467c239364d7602755b73203025d329c6f84b22 /kernel/trace/trace_clock.c | |
parent | be404f0212ffa8f67361f8ee460a25d901d88991 (diff) | |
parent | 6ec22f9b037fc0c2e00ddb7023fad279c365324d (diff) |
Merge branch 'master' into for-linus
Diffstat (limited to 'kernel/trace/trace_clock.c')
-rw-r--r-- | kernel/trace/trace_clock.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c index 20c5f92e28a8..878c03f386ba 100644 --- a/kernel/trace/trace_clock.c +++ b/kernel/trace/trace_clock.c @@ -20,6 +20,8 @@ #include <linux/ktime.h> #include <linux/trace_clock.h> +#include "trace.h" + /* * trace_clock_local(): the simplest and least coherent tracing clock. * @@ -28,17 +30,17 @@ */ u64 notrace trace_clock_local(void) { - unsigned long flags; u64 clock; + int resched; /* * sched_clock() is an architecture implemented, fast, scalable, * lockless clock. It is not guaranteed to be coherent across * CPUs, nor across CPU idle events. */ - raw_local_irq_save(flags); + resched = ftrace_preempt_disable(); clock = sched_clock(); - raw_local_irq_restore(flags); + ftrace_preempt_enable(resched); return clock; } |