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| author | Torben Hohn <torbenh@gmx.de> | 2011-01-27 15:59:15 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2011-01-31 14:55:43 +0100 |
| commit | 1340f3e0b29b745a33f431455c3a37f48197bc81 (patch) | |
| tree | b796639443802af39b9ea7c4bfcdbab1fa9c85d9 /arch/alpha | |
| parent | f0af911a9dec9de702645182c8d269449e24d24b (diff) | |
| download | linux-1340f3e0b29b745a33f431455c3a37f48197bc81.tar.gz linux-1340f3e0b29b745a33f431455c3a37f48197bc81.tar.bz2 linux-1340f3e0b29b745a33f431455c3a37f48197bc81.zip | |
alpha: Change do_timer() to xtime_update()
xtime_update() takes the xtime_lock itself.
timer_interrupt() is only called on the boot cpu. See do_entInt(). So
"state" in timer_interrupt does not require protection by xtime_lock.
Signed-off-by: Torben Hohn <torbenh@gmx.de>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: johnstul@us.ibm.com
Cc: hch@infradead.org
Cc: yong.zhang0@gmail.com
LKML-Reference: <20110127145915.23248.20919.stgit@localhost>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/alpha')
| -rw-r--r-- | arch/alpha/kernel/time.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c index c1f3e7cb82a4..a58e84f1a63b 100644 --- a/arch/alpha/kernel/time.c +++ b/arch/alpha/kernel/time.c @@ -159,7 +159,7 @@ void read_persistent_clock(struct timespec *ts) /* * timer_interrupt() needs to keep up the real-time clock, - * as well as call the "do_timer()" routine every clocktick + * as well as call the "xtime_update()" routine every clocktick */ irqreturn_t timer_interrupt(int irq, void *dev) { @@ -172,8 +172,6 @@ irqreturn_t timer_interrupt(int irq, void *dev) profile_tick(CPU_PROFILING); #endif - write_seqlock(&xtime_lock); - /* * Calculate how many ticks have passed since the last update, * including any previous partial leftover. Save any resulting @@ -187,9 +185,7 @@ irqreturn_t timer_interrupt(int irq, void *dev) nticks = delta >> FIX_SHIFT; if (nticks) - do_timer(nticks); - - write_sequnlock(&xtime_lock); + xtime_update(nticks); if (test_irq_work_pending()) { clear_irq_work_pending(); |