diff options
| author | Shaun Ruffell <sruffell@digium.com> | 2010-09-24 22:45:03 +0000 |
|---|---|---|
| committer | Shaun Ruffell <sruffell@digium.com> | 2010-09-24 22:45:03 +0000 |
| commit | 4bfa83e22e4a0e445fe68465073df34c00481183 (patch) | |
| tree | d7220f22e9c6ec8c3e11109a5df5ef13939dc7e7 /drivers/dahdi | |
| parent | 0bf145124b00cffb42c65f15c788b1a2eb131085 (diff) | |
dahdi: process_timers is already called with interrupts disabled.
Very slight performance increase when timertest is running in the
background. Measured at ~10 ns improvement over 10K samples.
Signed-off-by: Shaun Ruffell <sruffell@digium.com>
Acked-by: Kinsey Moore <kmoore@digium.com>
Acked-by: Russ Meyerriecks <rmeyerriecks@digium.com>
Acked-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
Review: https://reviewboard.asterisk.org/r/940/
git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@9413 a0bf4364-ded3-4de4-8d8a-66a801d63aff
Diffstat (limited to 'drivers/dahdi')
| -rw-r--r-- | drivers/dahdi/dahdi-base.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/dahdi/dahdi-base.c b/drivers/dahdi/dahdi-base.c index 40c1c12..417a09f 100644 --- a/drivers/dahdi/dahdi-base.c +++ b/drivers/dahdi/dahdi-base.c @@ -8162,11 +8162,12 @@ int dahdi_hdlc_getbuf(struct dahdi_chan *ss, unsigned char *bufptr, unsigned int static void process_timers(void) { - unsigned long flags; struct dahdi_timer *cur; - spin_lock_irqsave(&dahdi_timer_lock, flags); + if (list_empty(&dahdi_timers)) + return; + spin_lock(&dahdi_timer_lock); list_for_each_entry(cur, &dahdi_timers, list) { if (cur->ms) { cur->pos -= DAHDI_CHUNKSIZE; @@ -8177,8 +8178,7 @@ static void process_timers(void) } } } - - spin_unlock_irqrestore(&dahdi_timer_lock, flags); + spin_unlock(&dahdi_timer_lock); } static unsigned int dahdi_timer_poll(struct file *file, struct poll_table_struct *wait_table) |