From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Willy Tarreau <w@1wt.eu>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
Daniel Barkalow <barkalow@iabervon.org>,
nigel@nigel.suspend2.net, Robert Hancock <hancockr@shaw.ca>,
linux-kernel <linux-kernel@vger.kernel.org>,
Jeff Garzik <jeff@garzik.org>, Pavel Machek <pavel@ucw.cz>,
pm list <linux-pm@lists.osdl.org>
Subject: Re: [PATCH] Re: NAK new drivers without proper power management?
Date: Sun, 11 Feb 2007 13:19:57 +0000 [thread overview]
Message-ID: <20070211131957.GA6039@srcf.ucam.org> (raw)
In-Reply-To: <20070211130943.GA1868@1wt.eu>
On Sun, Feb 11, 2007 at 02:09:43PM +0100, Willy Tarreau wrote:
> Then change the PCI layer to do the basic PM only for known compatible
> drivers, and modify only the known-compatible drivers to mark them
> explicitly compatible. IMHO, it generally is a bad idea to require that
> any driver explicitly states what it *does not* support. It's the reason
> why users encounter problem on new features with old drivers. For instance,
> do you know if the old ISA NE2000 driver breaks suspend ? I don't know,
> but I would at least expect it not to support it by default. It's best
> to announce what *is* supported and consider everything unimplemented
> otherwise explicitly stated.
This ignores the reality of the situation, which is that many drivers
support suspend and resume despite the lack of any explicit
implementation. Changing things so they're flagged as broken when
they're not would be a regression.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2007-02-11 13:20 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.xSKPgY66Q+DPCZ1pszFFfdrJ0To@ifi.uio.no>
[not found] ` <fa.FzHdYYYH5Ru57c8/yRxLylpH0Kk@ifi.uio.no>
[not found] ` <fa.DuG12yQo+RR4jIjJTnoOwtKM0Ao@ifi.uio.no>
[not found] ` <fa.Jy0FJQtASvVEpsy8Q96uoHtyEVA@ifi.uio.no>
2007-02-10 1:50 ` NAK new drivers without proper power management? Robert Hancock
2007-02-10 1:59 ` Lee Revell
2007-02-10 2:09 ` Nigel Cunningham
2007-02-10 2:22 ` Lee Revell
2007-02-10 3:21 ` Kevin Fox
2007-02-10 20:40 ` Adrian Bunk
2007-02-10 4:35 ` Joseph Fannin
2007-02-13 21:08 ` Pavel Machek
2007-02-10 12:47 ` Stefan Richter
2007-02-10 2:05 ` Nigel Cunningham
2007-02-10 3:27 ` Dmitry Torokhov
2007-02-10 4:18 ` Nigel Cunningham
2007-02-10 3:02 ` [PATCH] " Nigel Cunningham
2007-02-10 9:34 ` Rafael J. Wysocki
2007-02-10 10:02 ` Nigel Cunningham
2007-02-10 10:30 ` Rafael J. Wysocki
2007-02-10 17:52 ` Daniel Barkalow
2007-02-10 19:50 ` Rafael J. Wysocki
2007-02-11 6:54 ` Willy Tarreau
2007-02-11 12:13 ` Matthew Garrett
2007-02-11 13:09 ` Willy Tarreau
2007-02-11 13:19 ` Matthew Garrett [this message]
2007-02-11 13:37 ` Willy Tarreau
2007-02-11 13:50 ` Rafael J. Wysocki
2007-02-11 13:57 ` Willy Tarreau
2007-02-11 14:36 ` Rafael J. Wysocki
2007-02-11 15:19 ` Pekka Enberg
2007-02-11 18:31 ` Rafael J. Wysocki
2007-02-11 17:27 ` Daniel Barkalow
2007-02-11 18:53 ` Rafael J. Wysocki
2007-02-11 23:06 ` Nigel Cunningham
2007-02-11 23:10 ` Rafael J. Wysocki
2007-02-11 21:04 ` Stefan Richter
2007-02-11 21:10 ` Pavel Machek
2007-02-11 17:36 ` Robert Hancock
2007-02-11 22:49 ` Nigel Cunningham
2007-02-11 19:37 ` Pavel Machek
[not found] ` <fa.DhkemAgVI60diqZy0t9GzpwyLmk@ifi.uio.no>
[not found] ` <fa.E/NjHlgg0HqDg5CgZjnCHFi2AMM@ifi.uio.no>
[not found] ` <fa.kop49l/7yexJoUGrzk6vVeIP934@ifi.uio.no>
2007-02-10 23:20 ` Robert Hancock
2007-02-11 0:44 ` Rafael J. Wysocki
2007-02-11 17:01 ` Pavel Machek
2007-02-11 22:40 ` Nigel Cunningham
2007-02-11 23:29 ` Rafael J. Wysocki
2007-02-11 23:40 ` Nigel Cunningham
[not found] ` <fa.EgQN5JpU6xrZSLyOY0kWjJ26hUM@ifi.uio.no>
2007-02-11 18:31 ` Robert Hancock
2007-02-11 21:52 ` Willy Tarreau
2007-02-11 22:26 ` Nigel Cunningham
2007-02-11 22:46 ` Willy Tarreau
2007-02-11 23:18 ` Nigel Cunningham
2007-02-11 23:38 ` Willy Tarreau
2007-02-11 23:45 ` Nigel Cunningham
2007-02-12 0:26 ` Alan
2007-02-12 5:19 ` Willy Tarreau
2007-02-12 20:20 ` Rafael J. Wysocki
2007-02-12 22:36 ` Nigel Cunningham
2007-02-11 23:23 ` Alan
2007-02-11 23:38 ` Rafael J. Wysocki
2007-02-11 23:41 ` Rafael J. Wysocki
2007-02-11 23:47 ` Nigel Cunningham
2007-02-11 23:50 ` Rafael J. Wysocki
2007-02-11 23:55 ` Nigel Cunningham
2007-02-12 0:09 ` Rafael J. Wysocki
2007-02-12 0:15 ` Nigel Cunningham
2007-02-12 12:19 ` Pavel Machek
[not found] ` <fa.O1YH4k5KtBGCNs5i2yB17bPvPGw@ifi.uio.no>
[not found] ` <fa.RfzClbTP/7B79AoEbQLNj3ABfIk@ifi.uio.no>
[not found] ` <fa.AaJ/ugmiUmPO8uC+y1rS9JLuuMc@ifi.uio.no>
2007-02-12 0:59 ` Robert Hancock
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