AcoSail/kernel_optimize_test
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blackfin: Switch from do_timer() to xtime_update()

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xtime_update() takes the xtime_lock itself.

Signed-off-by: Torben Hohn <torbenh@gmx.de>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: johnstul@us.ibm.com
Cc: hch@infradead.org
Cc: yong.zhang0@gmail.com
LKML-Reference: <20110127145931.23248.33917.stgit@localhost>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Torben Hohn 2011-01-27 15:59:31 +01:00 committed by Thomas Gleixner
parent ec2dff2feb
commit 4196b892d5
1 changed files with 2 additions and 4 deletions
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6
arch/blackfin/kernel/time.c
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@ -114,16 +114,14 @@ u32 arch_gettimeoffset(void)
/*
* 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
*/
#ifdef CONFIG_CORE_TIMER_IRQ_L1
__attribute__((l1_text))
#endif
irqreturn_t timer_interrupt(int irq, void *dummy)
{
write_seqlock(&xtime_lock);
do_timer(1);
write_sequnlock(&xtime_lock);
xtime_update(1);
#ifdef CONFIG_IPIPE
update_root_process_times(get_irq_regs());