linux-kernel - Re: [PATCH] workqueue: warn if memory reclaim tries to flush !WQ_MEM

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Date:	Fri, 29 Jan 2016 16:17:39 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Tejun Heo <tj@...nel.org>
Cc:	Thierry Reding <thierry.reding@...il.com>,
	Ulrich Obergfell <uobergfe@...hat.com>,
	Ingo Molnar <mingo@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, kernel-team@...com,
	Jon Hunter <jonathanh@...dia.com>, linux-tegra@...r.kernel.org,
	rmk+kernel@....linux.org.uk, Johannes Weiner <hannes@...xchg.org>,
	linux-mm@...ck.org
Subject: Re: [PATCH] workqueue: warn if memory reclaim tries to flush
 !WQ_MEM_RECLAIM workqueue

On Fri, Jan 29, 2016 at 06:09:41AM -0500, Tejun Heo wrote:
>  I posted a patch to disable
> disable flush dependency checks on those workqueues and there's a
> outreachy project to weed out the users of the old interface, so
> hopefully this won't be an issue soon.

Will that same project review all workqueue users for the strict per-cpu
stuff, so we can finally kill that weird stuff you do on hotplug?