From: Pavel Machek <pavel@suse.cz>
To: Dave Airlie <airlied@gmail.com>
Cc: Jon Smirl <jonsmirl@gmail.com>, Greg KH <greg@kroah.com>,
Ian Romanick <idr@us.ibm.com>, Dave Airlie <airlied@linux.ie>,
Arjan van de Ven <arjan@linux.intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: Add a "enable" sysfs attribute to the pci devices to allow userspace (Xorg) to enable devices without doing foul direct access
Date: Sun, 7 May 2006 13:12:01 +0000 [thread overview]
Message-ID: <20060507131201.GC5765@ucw.cz> (raw)
In-Reply-To: <21d7e9970605051857l4415a04ai7d1b1f886bb01cee@mail.gmail.com>
Hi!
> >It has everything to do with the 'enable' file. The
> >'enable' file lets
> >you change the state of the hardware without an
> >ownership mechanism.
> >Other device users will not be notified of the state
> >change. Since the
> >other users can't be sure of the state of the hardware
> >when they are
> >activated, they will have to reload their state into
> >the hardware on
> >every activation.
>
> you seem to miss the fact that this can be done now
> without the enable
> flag, setpci can be used to disable the BARs, again the
> enable flag
> doesn't change that....
...well, when you launch setpci, you are firmly in 'unsupported' land.
While 'enable' sounds like something where users expect it to be
supported.
--
Thanks for all the (sleeping) penguins.
next prev parent reply other threads:[~2006-05-08 7:02 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-29 8:46 Add a "enable" sysfs attribute to the pci devices to allow userspace (Xorg) to enable devices without doing foul direct access Arjan van de Ven
2006-04-29 8:51 ` Andrew Morton
2006-04-29 8:59 ` Arjan van de Ven
2006-04-29 9:04 ` Dave Airlie
2006-05-02 16:14 ` Bjorn Helgaas
2006-05-02 16:21 ` Greg KH
2006-05-02 16:51 ` Jesse Barnes
2006-05-04 19:09 ` Bjorn Helgaas
2006-05-04 19:11 ` Arjan van de Ven
2006-05-04 19:26 ` Bjorn Helgaas
2006-05-04 19:42 ` Matthew Garrett
2006-05-04 20:40 ` Jon Smirl
2006-05-04 21:05 ` Peter Jones
2006-05-04 21:17 ` Martin Mares
2006-05-04 21:29 ` Peter Jones
2006-05-04 21:37 ` Martin Mares
2006-05-04 21:38 ` Jon Smirl
2006-05-04 23:22 ` Peter Jones
2006-05-05 19:20 ` Ian Romanick
2006-05-05 20:14 ` Jon Smirl
2006-05-05 20:26 ` Greg KH
2006-05-05 20:35 ` Jon Smirl
2006-05-05 20:43 ` Jon Smirl
2006-05-05 21:10 ` Greg KH
2006-05-05 21:06 ` Greg KH
2006-05-05 21:15 ` Jon Smirl
2006-05-05 22:27 ` Greg KH
2006-05-06 0:05 ` Jon Smirl
2006-05-06 1:57 ` Dave Airlie
2006-05-06 3:39 ` Jon Smirl
2006-05-06 12:42 ` Krzysztof Halasa
2006-05-06 13:08 ` Jon Smirl
2006-05-06 18:10 ` Krzysztof Halasa
2006-05-06 18:24 ` Jon Smirl
2006-05-06 23:16 ` Krzysztof Halasa
2006-05-07 5:56 ` Kyle Moffett
2006-05-07 12:05 ` Krzysztof Halasa
2006-05-07 19:07 ` Kyle Moffett
2006-05-08 0:03 ` Krzysztof Halasa
2006-05-07 13:12 ` Pavel Machek [this message]
2006-05-08 14:26 ` Kyle Moffett
2006-05-08 14:54 ` Arjan van de Ven
2006-05-08 4:06 ` Dave Airlie
2006-05-08 5:27 ` Jon Smirl
2006-05-07 8:54 ` Adam Belay
2006-05-14 0:29 ` Benjamin Herrenschmidt
2006-05-14 0:56 ` Jon Smirl
2006-05-14 23:57 ` Benjamin Herrenschmidt
2006-05-15 0:14 ` Jon Smirl
2006-05-14 0:57 ` Patrick McFarland
2006-05-14 1:11 ` Jon Smirl
2006-05-04 21:18 ` Jon Smirl
2006-05-04 21:38 ` Peter Jones
2006-05-04 21:48 ` Jon Smirl
2006-05-04 21:57 ` Peter Jones
2006-05-04 22:05 ` Jon Smirl
2006-05-04 19:49 ` Arjan van de Ven
2006-05-15 2:10 ` Eric W. Biederman
2006-05-02 16:38 ` Jon Smirl
2006-05-02 16:45 ` Arjan van de Ven
2006-05-02 16:59 ` Jon Smirl
2006-05-02 17:00 ` Arjan van de Ven
2006-05-02 17:13 ` Jon Smirl
2006-05-02 18:27 ` Arjan van de Ven
2006-05-02 19:00 ` Jon Smirl
2006-05-02 19:29 ` Peter Jones
2006-05-02 21:40 ` Dave Airlie
2006-05-02 21:52 ` Jon Smirl
2006-05-02 23:36 ` Dave Airlie
2006-05-03 0:19 ` Matthew Wilcox
2006-05-03 0:26 ` Valdis.Kletnieks
2006-05-03 1:24 ` Jon Smirl
2006-05-03 1:30 ` Dave Airlie
2006-05-03 6:02 ` Arjan van de Ven
2006-05-03 13:23 ` Jon Smirl
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