From: Pavel Machek <pavel@ucw.cz>
To: Oliver Neukum <oliver@neukum.org>
Cc: kernel list <linux-kernel@vger.kernel.org>,
Linux-pm mailing list <linux-pm@lists.osdl.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>
Subject: Re: [RFC] sleepy linux
Date: Wed, 26 Dec 2007 20:02:52 +0100 [thread overview]
Message-ID: <20071226190252.GC8094@elf.ucw.cz> (raw)
In-Reply-To: <200712261828.04671.oliver@neukum.org>
On Wed 2007-12-26 18:28:04, Oliver Neukum wrote:
> Am Mittwoch, 26. Dezember 2007 00:07:31 schrieb Pavel Machek:
> > Heute 00:07:31
> >
> > This is RFC. It does not even work for me... it sleeps but it will not
> > wake up, because SATA wakeup code is missing. Code attached for illustration.
> >
> > I wonder if this is the right approach? What is right interface to the
> > drivers?
>
> IMHO you are making to many special cases. The system can be "sleepy"
> if all devices can be runtime suspended and all CPUs are idle.
Pretty much, except that "timer device" needs to be runtime suspended,
too... We probably should not sleep if wakeup is scheduled 1 second in
future.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2007-12-26 19:03 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-25 23:07 [RFC] sleepy linux Pavel Machek
2007-12-26 17:28 ` Oliver Neukum
2007-12-26 19:02 ` Pavel Machek [this message]
2007-12-26 20:17 ` Pavel Machek
2007-12-26 20:23 ` Oliver Neukum
2007-12-26 20:32 ` Pavel Machek
2007-12-26 23:15 ` Oliver Neukum
2007-12-29 23:48 ` Pavel Machek
2007-12-27 9:41 ` Oliver Neukum
2007-12-29 23:51 ` Pavel Machek
2007-12-30 16:39 ` Oliver Neukum
2007-12-31 14:44 ` Pavel Machek
2008-01-02 10:52 ` Oliver Neukum
2007-12-26 18:56 ` H. Peter Anvin
2007-12-26 19:00 ` Pavel Machek
2007-12-26 19:22 ` H. Peter Anvin
2007-12-26 20:08 ` Oliver Neukum
2007-12-26 20:43 ` H. Peter Anvin
2007-12-26 20:51 ` Pavel Machek
2007-12-26 20:54 ` H. Peter Anvin
2007-12-29 23:44 ` Pavel Machek
2007-12-26 20:09 ` [linux-pm] " Igor Stoppa
2007-12-30 11:15 ` Ingo Molnar
2008-01-05 21:51 ` Pavel Machek
2008-01-08 16:37 ` Ingo Molnar
2008-01-08 19:15 ` Pavel Machek
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