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sparc: Switch do_timer() to xtime_update()
xtime_update() takes the xtime_lock itself. pcic_clear_clock_irq() and clear_clock_irq do not need to be protected by xtime_lock. Signed-off-by: Torben Hohn <torbenh@gmx.de> Acked-by: David S. Miller <davem@davemloft.net> Cc: Peter Zijlstra <peterz@infradead.org> Cc: johnstul@us.ibm.com Cc: hch@infradead.org Cc: yong.zhang0@gmail.com LKML-Reference: <20110127150022.23248.80369.stgit@localhost> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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parent
bb1dfc1cf6
commit
4ea1b72551
2 changed files with 3 additions and 10 deletions
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@ -700,10 +700,8 @@ static void pcic_clear_clock_irq(void)
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static irqreturn_t pcic_timer_handler (int irq, void *h)
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static irqreturn_t pcic_timer_handler (int irq, void *h)
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{
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{
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write_seqlock(&xtime_lock); /* Dummy, to show that we remember */
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pcic_clear_clock_irq();
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pcic_clear_clock_irq();
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do_timer(1);
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xtime_update(1);
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write_sequnlock(&xtime_lock);
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#ifndef CONFIG_SMP
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#ifndef CONFIG_SMP
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update_process_times(user_mode(get_irq_regs()));
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update_process_times(user_mode(get_irq_regs()));
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#endif
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#endif
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@ -85,7 +85,7 @@ int update_persistent_clock(struct timespec now)
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/*
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/*
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* timer_interrupt() needs to keep up the real-time clock,
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* timer_interrupt() needs to keep up the real-time clock,
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* as well as call the "do_timer()" routine every clocktick
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* as well as call the "xtime_update()" routine every clocktick
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*/
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*/
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#define TICK_SIZE (tick_nsec / 1000)
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#define TICK_SIZE (tick_nsec / 1000)
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@ -96,14 +96,9 @@ static irqreturn_t timer_interrupt(int dummy, void *dev_id)
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profile_tick(CPU_PROFILING);
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profile_tick(CPU_PROFILING);
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#endif
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#endif
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/* Protect counter clear so that do_gettimeoffset works */
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write_seqlock(&xtime_lock);
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clear_clock_irq();
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clear_clock_irq();
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do_timer(1);
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xtime_update(1);
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write_sequnlock(&xtime_lock);
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#ifndef CONFIG_SMP
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#ifndef CONFIG_SMP
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update_process_times(user_mode(get_irq_regs()));
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update_process_times(user_mode(get_irq_regs()));
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