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MN10300: Call update_process_times() outside of the xtime_lock

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Call update_process_times() outside of the xtime_lock.  Somewhere somewhere
inside one of the functions called by that, xtime_lock is readlocked, which
ends up in a deadlock situation.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2008-02-19 18:58:49 +00:00 committed by Linus Torvalds
parent e855e5d82e
commit 2b79aac903
1 changed files with 3 additions and 1 deletions
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4
arch/mn10300/kernel/time.c
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@ -84,11 +84,13 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
/* advance the kernel's time tracking system */
profile_tick(CPU_PROFILING);
do_timer(1);
update_process_times(user_mode(get_irq_regs()));
check_rtc_time();
}
write_sequnlock(&xtime_lock);
update_process_times(user_mode(get_irq_regs()));
return IRQ_HANDLED;
}