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| author | Jiri Kosina <jkosina@suse.cz> | 2011-11-13 14:55:35 -0500 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2011-11-13 14:55:53 -0500 |
| commit | 2290c0d06d82faee87b1ab2d9d4f7bf81ef64379 (patch) | |
| tree | e075e4d5534193f28e6059904f61e5ca03958d3c /kernel/trace/trace_clock.c | |
| parent | 4da669a2e3e5bc70b30a0465f3641528681b5f77 (diff) | |
| parent | 52e4c2a05256cb83cda12f3c2137ab1533344edb (diff) | |
Merge branch 'master' into for-next
Sync with Linus tree to have 157550ff ("mtd: add GPMI-NAND driver
in the config and Makefile") as I have patch depending on that one.
Diffstat (limited to 'kernel/trace/trace_clock.c')
| -rw-r--r-- | kernel/trace/trace_clock.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c index 6302747a1398..394783531cbb 100644 --- a/kernel/trace/trace_clock.c +++ b/kernel/trace/trace_clock.c | |||
| @@ -113,3 +113,15 @@ u64 notrace trace_clock_global(void) | |||
| 113 | 113 | ||
| 114 | return now; | 114 | return now; |
| 115 | } | 115 | } |
| 116 | |||
| 117 | static atomic64_t trace_counter; | ||
| 118 | |||
| 119 | /* | ||
| 120 | * trace_clock_counter(): simply an atomic counter. | ||
| 121 | * Use the trace_counter "counter" for cases where you do not care | ||
| 122 | * about timings, but are interested in strict ordering. | ||
| 123 | */ | ||
| 124 | u64 notrace trace_clock_counter(void) | ||
| 125 | { | ||
| 126 | return atomic64_add_return(1, &trace_counter); | ||
| 127 | } | ||
