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| author | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-03-20 08:09:19 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2014-03-20 08:13:50 +0200 |
| commit | 17d5ca91cfc59ae91da5ff9da74ab09a9a2a17d9 (patch) | |
| tree | a45f944e15a2600ec20ca4ec11b23d4641095e8e /kernel/trace/ring_buffer.c | |
| parent | b7e4ab50418d5b34ab0dae95193dd71190e1fb50 (diff) | |
| parent | c86907b59f505863ec7839471e889330982a596e (diff) | |
Merge branch '3.15/dss-dt' into 3.15/fbdev
Merge OMAP DSS DT support
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 294b8a271a04..fc4da2d97f9b 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -2397,6 +2397,13 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, write &= RB_WRITE_MASK; tail = write - length; + /* + * If this is the first commit on the page, then it has the same + * timestamp as the page itself. + */ + if (!tail) + delta = 0; + /* See if we shot pass the end of this buffer page */ if (unlikely(write > BUF_PAGE_SIZE)) return rb_move_tail(cpu_buffer, length, tail, |