linux-kernel - Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

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Message-ID: <AANLkTil-BYnf3swXPj_Llm-XpTks9-NKEi8fgq07JFV3@mail.gmail.com>
Date:	Sat, 29 May 2010 10:39:02 +0200
From:	Vitaly Wool <vitalywool@...il.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Arve Hjønnevåg <arve@...roid.com>,
	Mailing List <linux-omap@...r.kernel.org>,
	Zijlstra <peterz@...radead.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Florian Mickler <florian@...kler.org>,
	Linux@...p1.linux-foundation.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter@...p1.linux-foundation.org,
	Linux PM <linux-pm@...ts.linux-foundation.org>,
	felipe.balbi@...ia.com
Subject: Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

2010/5/28 Alan Cox <alan@...rguk.ukuu.org.uk>:
> Ok lets try and produce something more concrete. The control groups may
> be the wrong tool but we've got several such tools already
>
>
> Kernel involved
> ----------------
> acquire:                mark myself important (into cgroup important)
> acquire(timeout)        ditto, plus app timer/timeout handler
> release:                mark myself unimportant (into cgroup downtrodden)

May we somehow live without acquire(timeout)? This is the feature that
can screw up a lot of things with very complicated debugging options.

~Vitaly
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