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SubjectRe: [PATCH] kmod: Run usermodehelpers only on cpus allowed for kthreadd
On Thu, 17 Oct 2013 18:07:28 +0200 Frederic Weisbecker <> wrote:

> Couldn't we instead make kthread children (those created with kthread_create()) to inherit
> kthread initial affinity? Currently kthread's children have cpu_all_mask. We could change
> that behaviour. This way the initial kthread affinity could be inherited all along.

I'm wondering if it's clean/logical to tie usermodehelper affinity to
kthreadd affinity at all. It's certainly convenient, but they're
distinct concepts. What is the reason to not have a separate control
for usermodehelper cpus-allowed?

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