Re: 3.14.23-rt20 - softirq: resurrect softirq threads
From: Mike Galbraith
Date: Tue Feb 17 2015 - 09:00:29 EST
On Tue, 2015-02-17 at 14:05 +0100, Sebastian Andrzej Siewior wrote:
> * Mike Galbraith | 2014-11-02 08:31:47 [+0100]:
> >(sirqs suck, this makes them suck less for some boxen/loads)
> >Subject: softirq: resurrect softirq threads
> >From: Mike Galbraith <mgalbraith@xxxxxxx>
> >Date: Mon Jan 6 08:42:11 CET 2014
> >Some loads cannot tolerate the jitter induced by all softirqs being processed
> >at the same priority. Let the user prioritize them again.
> >Signed-off-by: Mike Galbraith <mgalbraith@xxxxxxx>
> I'm going to postpone this. While it might make sense in general I'm
> going to wait for tglx, Steven and others to see if this is what we want
> or if there are some plans redoing the softirq handling.
You can postpone this one forever, they don't want it. I posted it for
folks who may want the option.
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