On Tue, 2007-07-03 at 20:05 +0200, Thomas Gleixner wrote: > The clock_was_set() call in seconds_overflow() which happens only when > leap seconds are inserted / deleted is wrong in two aspects: > > 1. it results in a call to on_each_cpu() with interrupts disabled > 2. it is potential deadlock source vs. call_lock in smp_call_function() > > The only possible side effect of the removal might be, that an absolute > CLOCK_REALTIME timer fires 1 second too late, in the rare case of leap > second deletion and an absolute CLOCK_REALTIME timer which expires in > the affected time frame. It will never fire too early. > > This was probably observed by the reporter of a June 30th -> July 1st > hang: http://lkml.org/lkml/2007/7/3/
Ooops, missed the full reference: http://lkml.org/lkml/2007/7/3/103 tglx - 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/
