From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Alex Shi <alex.shi@linaro.org>, Peter Zijlstra <peterz@infradead.org>
Cc: Mike Galbraith <efault@gmx.de>,
LKML <linux-kernel@vger.kernel.org>,
Rik van Riel <riel@redhat.com>
Subject: Re: 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency consideration
Date: Thu, 23 Feb 2017 13:15:21 +0100 [thread overview]
Message-ID: <2050688.jCOqd8xbcD@aspire.rjw.lan> (raw)
In-Reply-To: <47a10932-b485-cf3f-bf39-ccf3026a960f@linaro.org>
On Wednesday, February 22, 2017 10:55:04 PM Alex Shi wrote:
> >
> > Its not hard; spinlock_t ends up being a mutex, and this is ran from the
> > idle thread. What thread do you think we ought to run when we block
> > idle?
> >
>
> Straight right.
> Thanks for explanations! :)
I overlooked that, sorry.
Shall we revert?
I don't want RT to be broken because of this.
next prev parent reply other threads:[~2017-02-23 12:21 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-22 12:56 Mike Galbraith
2017-02-22 13:12 ` Peter Zijlstra
2017-02-22 13:19 ` Mike Galbraith
2017-02-22 14:31 ` Alex Shi
2017-02-22 14:39 ` Peter Zijlstra
2017-02-22 14:55 ` Alex Shi
2017-02-23 12:15 ` Rafael J. Wysocki [this message]
2017-02-23 13:08 ` Mike Galbraith
2017-02-23 13:58 ` Alex Shi
2017-02-23 13:55 ` Alex Shi
2017-02-23 22:34 ` Rafael J. Wysocki
2017-02-24 1:49 ` Alex Shi
2017-02-24 12:25 ` [PATCH] cpuidle: menu: Avoid taking spinlock for accessing QoS values Rafael J. Wysocki
2017-02-22 14:46 ` 9908859acaa9 cpuidle/menu: add per CPU PM QoS resume latency consideration Mike Galbraith
2017-02-22 14:53 ` Alex Shi
2017-02-22 15:03 ` Mike Galbraith
2017-02-22 15:36 ` Alex Shi
2017-02-22 15:46 ` Mike Galbraith
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