linux-kernel - Re: + work_on_cpu-rewrite-it-to-create-a-kernel-thread-on-demand.patch added to -mm tree

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Message-ID: <m17i3vz4lp.fsf@fess.ebiederm.org>
Date:	Thu, 12 Feb 2009 14:13:06 -0800
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	fweisbec@...il.com, mingo@...e.hu, linux-kernel@...r.kernel.org,
	oleg@...hat.com, travis@....com, a.p.zijlstra@...llo.nl,
	mm-commits@...r.kernel.org, rusty@...tcorp.com.au
Subject: Re: + work_on_cpu-rewrite-it-to-create-a-kernel-thread-on-demand.patch  added to -mm tree


I should follow up and say that the reason I care right now, is I am
digging into pci hotplug.  One of the issues I'm fighting is that
currently I appear to need a dedicated kernel thread for each pci
hotplug slot.  It gets easy to deadlock the kernel hotplugging
a hotplug controller otherwise.

Eric

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