On Thu, 2005-08-11 at 11:56 +0200, Ingo Molnar wrote: > > For the record, some shortcomings of this patch: > > > > o Needs lots more testing on more architectures. > > > > o Needs performance and stress testing. > > > > o Needs testing in Ingo's PREEMPT_RT environment. > > cool patch! I have integrated it into my PREEMPT_RT tree, and all it > needed to boot was the patch below (doesnt affect the upstream kernel). > Using the raw IRQ flag isnt an issue in the RCU code, all the affected > codepaths are small and deterministic. >
Ingo, Doesn't this fix the longest latency we were seeing with PREEMPT_DESKTOP, I don't have a trace handy but the upshot was "signal delivery must remain atomic on !PREEMPT_RT"? Lee - 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/
