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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-18 09:09:09 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-18 09:09:09 -0800 |
| commit | 51d52b26e1d88ce79f1053f1b0f7f4d43a98d26d (patch) | |
| tree | fe0d213a91f49fd4340728a4f5bf34f60e3fba8c /kernel/trace/ring_buffer.c | |
| parent | c600558668e4ebd0fab6bf1d90baaf95bc43f9d5 (diff) | |
| parent | 6d0abeca3242a88cab8232e4acd7e2bf088f3bc2 (diff) | |
Merge 3.14-rc3 into tty-next
This is for the fixes in that release, we want them here too.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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, |