Hi Vineet, Our stress testing campaign has just successfully completed on this patch. It seems to solve several issues we have seen in unpatched versions, amongst others the original timer issue, a crash in hrtimer rb-tree manipulation etc.
Greetings, Christian On Wed, Apr 03, 2013 at 07:41:22PM +0530, Vineet Gupta wrote: > spinlocks built in a !PREEMPT_COUNT config don't have the compiler > barrier provided by preempt_* routines. This can break lot of code which > relies on barrier semantics. > > This manifested as random crashes in timer code when stress testing > ARC Linux (3.9-rc3): !SMP && !PREEMPT_COUNT > > [...] > > Signed-off-by: Vineet Gupta <[email protected]> > Reported-by: Christian Ruppert <[email protected]> Tested-by: Christian Ruppert <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: Christian Ruppert <[email protected]> > Cc: Pierrick Hascoet <[email protected]> > Cc: Robert Love <[email protected]> > Cc: [email protected] > Cc: Frederic Weisbecker <[email protected]> > Cc: Steven Rostedt <[email protected]> > Cc: Peter Zijlstra <[email protected]> > Cc: Ingo Molnar <[email protected]> > Cc: [email protected] > [...] -- Christian Ruppert , <[email protected]> /| Tel: +41/(0)22 816 19-42 //| 3, Chemin du Pré-Fleuri _// | bilis Systems CH-1228 Plan-les-Ouates -- 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/
