Messages in this thread |  | | Date | Thu, 28 Nov 2013 15:55:05 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH]: exec: avoid propagating PF_NO_SETAFFINITY into userspace child |
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On Thu, Nov 28, 2013 at 09:38:48AM -0500, Tejun Heo wrote: > Hah? No, we do not want to allow userland to be able to set > affinities on any workqueue workers, period. That's just inviting > people to do weirdest things and then reporting things like "crypt > jobs on some of our 500 machines end up stuck on a single cpu once in > a while" which will eventually be tracked down to some weird shell > script setting affinity on workers doing something else.
Because that is exactly what some users desire? Some RT and HPC people want all those crypt jobs to run on a few designated cpus and not wreck their compute jobs.
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