Messages in this thread | | | Date | Thu, 28 Nov 2013 09:57:23 -0500 | From | Tejun Heo <> | Subject | Re: [PATCH]: exec: avoid propagating PF_NO_SETAFFINITY into userspace child |
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On Thu, Nov 28, 2013 at 03:55:05PM +0100, Peter Zijlstra wrote: > 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.
And you can't do that reliably from userland. Those things are created dynamically. workqueue provides per-workqueue attributes to enable those use cases. It doesn't have system-wide default attributes right now but adding that shouldn't be too difficult.
-- tejun
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