Re: [PATCH 2/5] kmod: Use system_unbound_wq instead of khelper

[Christoph Lameter]

On Fri, 10 Jul 2015, Frederic Weisbecker wrote:

> Note that nohz full is perfectly fine with that. The issue I'm worried about
> is the case where drivers spawn hundreds of jobs and it all happen on the same
> node because the kernel threads inherit the workqueue affinity, instead of
> the global affinity that khelper had.

Well if this is working as intended here then the kernel threads will only
run on a specific cpu. As far as we can tell the amout of kernel threads
spawned is rather low and also the performance requirements on those
threads are low.

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