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 <[EMAIL PROTECTED]>
---

 arch/mn10300/kernel/time.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)


diff --git a/arch/mn10300/kernel/time.c b/arch/mn10300/kernel/time.c
index ff492e3..babb7c2 100644
--- a/arch/mn10300/kernel/time.c
+++ b/arch/mn10300/kernel/time.c
@@ -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;
 }
 

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to