On Tue, Feb 7, 2012 at 8:29 PM, Jan Kara <jack@xxxxxxx> wrote: > On Tue 07-02-12 18:25:18, Gilad Ben-Yossef wrote: >> On Tue, Feb 7, 2012 at 12:25 AM, Jan Kara <jack@xxxxxxx> wrote: ... >> I think its worth a shot since the mutex just delays the IPIs instead >> of canceling them >> altogether. > Well, mutex will just delay callers but the sequence logic behind the > mutex will reduce number of IPIs a lot - all waiters for mutex will be > satisfied by a single signalling of all CPUs while previously they would > each do the signalling. Oh, you are right. I've missed that part completely. Note to self: never try to read LKML email on your smartphone... Gilad -- Gilad Ben-Yossef Chief Coffee Drinker gilad@xxxxxxxxxxxxx Israel Cell: +972-52-8260388 US Cell: +1-973-8260388 http://benyossef.com "If you take a class in large-scale robotics, can you end up in a situation where the homework eats your dog?" -- Jean-Baptiste Queru -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html