Date: Mon, 14 Oct 2013 15:33:56 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Morten Rasmussen <morten.rasmussen@arm.com>
Cc: mingo@kernel.org, pjt@google.com, arjan@linux.intel.com, rjw@sisk.pl,
        dirk.j.brandewie@intel.com, vincent.guittot@linaro.org,
        alex.shi@linaro.org, preeti@linux.vnet.ibm.com, efault@gmx.de,
        corbet@lwn.net, tglx@linutronix.de, catalin.marinas@arm.com,
        linux-kernel@vger.kernel.org, linaro-kernel@lists.linaro.org
Subject: Re: [RFC][PATCH 4/7] sched: power: Remove power capacity hints for
 kworker threads
Message-ID: <20131014133356.GN3081@twins.programming.kicks-ass.net>
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On Fri, Oct 11, 2013 at 06:19:14PM +0100, Morten Rasmussen wrote:
> Removing power hints for kworker threads enables easier use of
> workqueues in the power driver late callback. That would otherwise
> lead to an endless loop unless it is prevented in the power driver.

There's many kworker users; some of them actually consume lots of
cputime. Therefore how did you come to the conclusion that excepting all
users was the better choice of a little added complexity in the one
place where it actually matters?
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