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Date: Thu, 7 Sep 2017 11:41:09 +0200 From: Peter Zijlstra <peterz@...radead.org> To: Byungchul Park <byungchul.park@....com> Cc: tj@...nel.org, johannes.berg@...el.com, mingo@...nel.org, tglx@...utronix.de, oleg@...hat.com, david@...morbit.com, linux-kernel@...r.kernel.org, kernel-team@....com Subject: Re: [PATCH] lockdep: Remove unnecessary acquisitions wrt workqueue flush On Thu, Sep 07, 2017 at 09:33:16AM +0900, Byungchul Park wrote: > Workqueue added manual acquisitions to catch deadlock cases. Now > crossrelease was introduced, some of those are redundant because > crossrelease-enabled wait_for_completeion() also does it. Removed it. This does not explain how it doesn't become the regular timing dependent stuff cross-release normally is.
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