From: Oliver Neukum <oliver@neukum.org>
To: David Brownell <david-b@pacbell.net>
Cc: Pavel Machek <pavel@ucw.cz>,
Alan Stern <stern@rowland.harvard.edu>,
linux-usb-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org
Subject: Re: [linux-usb-devel] error to be returned while suspended
Date: Sun, 8 Oct 2006 15:24:09 +0200 [thread overview]
Message-ID: <200610081524.09946.oliver@neukum.org> (raw)
In-Reply-To: <200610071703.24599.david-b@pacbell.net>
Am Sonntag, 8. Oktober 2006 02:03 schrieb David Brownell:
> > The power management functions without
> > timeout are also exported. For other power control features like
> > cpu frequency considerable effort has been made to export them to
> > user space.
>
> Yes, and many of us use the much lighter weight kernel based control
> models by preference. Why waste hundreds of Kbytes of userspace for
> a daemon when a few hundred bytes of kernel code can implement a
> better and more reactive kernel policy for cpufreq?
That's an important aspect. How about implementing autosuspend
first and keeping the sysfs-based suspension for now? If autosuspend
is done, we have something to compare too. If a different solution
emerges to be advantagous under some conditions we can talk about
the interface later.
Regards
Oliver
next prev parent reply other threads:[~2006-10-08 13:23 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-03 11:23 Oliver Neukum
2006-10-03 12:51 ` linux-os (Dick Johnson)
2006-10-03 13:02 ` Oliver Neukum
2006-10-03 14:17 ` linux-os (Dick Johnson)
2006-10-04 11:19 ` Pavel Machek
2006-10-04 16:34 ` Oliver Neukum
2006-10-04 22:44 ` Pavel Machek
2006-10-05 7:07 ` Oliver Neukum
2006-10-05 8:57 ` Pavel Machek
2006-10-05 16:21 ` [linux-usb-devel] " Alan Stern
2006-10-05 16:35 ` Oliver Neukum
2006-10-05 18:24 ` Alan Stern
2006-10-05 18:43 ` Oliver Neukum
2006-10-05 20:48 ` Alan Stern
2006-10-05 21:25 ` Oliver Neukum
2006-10-05 21:45 ` Alan Stern
2006-10-06 7:21 ` Oliver Neukum
2006-10-06 17:48 ` Alan Stern
2006-10-06 11:25 ` Pavel Machek
2006-10-06 2:47 ` David Brownell
2006-10-06 7:04 ` Oliver Neukum
2006-10-06 11:27 ` Pavel Machek
2006-10-06 14:09 ` Oliver Neukum
2006-10-06 21:10 ` David Brownell
2006-10-07 10:49 ` Oliver Neukum
2006-10-07 11:08 ` Pavel Machek
2006-10-07 17:16 ` Oliver Neukum
2006-10-08 0:03 ` David Brownell
2006-10-08 2:03 ` Alan Stern
2006-10-08 7:07 ` Oliver Neukum
2006-10-08 14:27 ` Alan Stern
2006-10-08 19:36 ` Pavel Machek
2006-10-08 19:57 ` Oliver Neukum
2006-10-08 21:06 ` Pavel Machek
2006-10-08 6:40 ` Oliver Neukum
2006-10-09 15:56 ` David Brownell
2006-10-08 6:51 ` Oliver Neukum
2006-10-08 7:14 ` Oliver Neukum
2006-10-08 13:24 ` Oliver Neukum [this message]
2006-10-08 14:32 ` Alan Stern
2006-10-08 19:41 ` /sys/.../power/state " Pavel Machek
2006-10-08 19:19 ` Pavel Machek
[not found] ` <200610080838.03488.oliver@neukum.org>
[not found] ` <200610080020.49158.david-b@pacbell.net>
2006-10-08 8:39 ` Oliver Neukum
2006-10-08 14:16 ` Dmitry Torokhov
2006-10-06 11:23 ` Pavel Machek
2006-10-06 11:21 ` Pavel Machek
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