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| author | Thomas Gleixner <tglx@linutronix.de> | 2007-09-16 17:36:43 +0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@chaos.(none)> | 2007-09-16 17:36:43 +0400 |
| commit | 3be9095063885d482b87d3875ea7f28e635882d0 (patch) | |
| tree | c29f9a90a244032515c4f830e1d73d4dd2a3f1ac /kernel/time/timekeeping.c | |
| parent | d0174640eedc1cd756754f03afe2dbb3d56de74e (diff) | |
| download | linux-3be9095063885d482b87d3875ea7f28e635882d0.tar.xz | |
timekeeping: access rtc outside of xtime lock
Lockdep complains about the access of rtc in timekeeping_suspend
inside the interrupt disabled region of the write locked xtime lock.
Move the access outside.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <johnstul@us.ibm.com>
Diffstat (limited to 'kernel/time/timekeeping.c')
| -rw-r--r-- | kernel/time/timekeeping.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index acc417b5a9b7..f682091fa890 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -325,9 +325,10 @@ static int timekeeping_suspend(struct sys_device *dev, pm_message_t state) { unsigned long flags; + timekeeping_suspend_time = read_persistent_clock(); + write_seqlock_irqsave(&xtime_lock, flags); timekeeping_suspended = 1; - timekeeping_suspend_time = read_persistent_clock(); write_sequnlock_irqrestore(&xtime_lock, flags); clockevents_notify(CLOCK_EVT_NOTIFY_SUSPEND, NULL); |