From: Pavel Machek <pavel@ucw.cz>
To: Oliver Neukum <oliver@neukum.org>
Cc: Linux-pm mailing list <linux-pm@lists.osdl.org>,
kernel list <linux-kernel@vger.kernel.org>
Subject: Re: [RFC] sleepy linux
Date: Wed, 26 Dec 2007 21:17:22 +0100 [thread overview]
Message-ID: <20071226201722.GC8844@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.
Is there an easy way to tell if all the devices are runtime suspended?
I guess I need to know from atomic context :-(.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
WARNING: multiple messages have this Message-ID (diff)
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 21:17:22 +0100 [thread overview]
Message-ID: <20071226201722.GC8844@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.
Is there an easy way to tell if all the devices are runtime suspended?
I guess I need to know from atomic context :-(.
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 20:17 UTC|newest]
Thread overview: 32+ 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 17:28 ` Oliver Neukum
2007-12-26 19:02 ` Pavel Machek
2007-12-26 19:02 ` Pavel Machek
2007-12-26 20:17 ` Pavel Machek [this message]
2007-12-26 20:17 ` Pavel Machek
2007-12-26 20:23 ` Oliver Neukum
2007-12-26 20:23 ` Oliver Neukum
2007-12-26 20:32 ` Pavel Machek
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 20:08 ` 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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