linux-kernel - Re: [PATCH 1/8] PM: Add suspend block api.

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Date:	Sun, 2 May 2010 22:10:53 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	"Arve Hj??nnev??g" <arve@...roid.com>,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	Alan Stern <stern@...land.harvard.edu>,
	Tejun Heo <tj@...nel.org>, Oleg Nesterov <oleg@...hat.com>,
	Len Brown <len.brown@...el.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Magnus Damm <damm@...l.co.jp>,
	Nigel Cunningham <nigel@...onice.net>,
	Cornelia Huck <cornelia.huck@...ibm.com>,
	Ming Lei <tom.leiming@...il.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Maxim Levitsky <maximlevitsky@...il.com>,
	linux-doc@...r.kernel.org
Subject: Re: [PATCH 1/8] PM: Add suspend block api.

On Sunday 02 May 2010, Pavel Machek wrote:
> Hi!
> 
> > Adds /sys/power/policy that selects the behaviour of /sys/power/state.
> > After setting the policy to opportunistic, writes to /sys/power/state
> > become non-blocking requests that specify which suspend state to enter
> > when no suspend blockers are active. A special state, "on", stops the
> > process by activating the "main" suspend blocker.
> 
> As I explained before (and got no reply),  the proposed interface is
> ugly. It uses one sysfs file to change semantics of another one.

In fact this behavior was discussed at the LF Collab Summit and no one
involved had any problem with that.

> > Signed-off-by: Arve Hj??nnev??g <arve@...roid.com>
> 
> NAK.

Ignored.

Thanks,
Rafael
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