From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jeff Garzik <jgarzik@pobox.com>
Cc: John Bradford <john@grabjohn.com>,
Patrick Mochel <mochel@osdl.org>,
Grover Andrew <andrew.grover@intel.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Subtle semantic issue with sleep callbacks in drivers
Date: 17 Apr 2003 17:24:41 +0100 [thread overview]
Message-ID: <1050596681.31390.100.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <20030417155602.GC25696@gtf.org>
On Iau, 2003-04-17 at 16:56, Jeff Garzik wrote:
> On Thu, Apr 17, 2003 at 04:47:45PM +0100, John Bradford wrote:
> > Hmm, well what about with a PCI hotswap capable board - presumably
> > then we could have the situation where a new VGA card appears that we
> > _have_ to POST?
>
> Then XFree86 will POST it.
>
> The kernel really only cares about POST'ing the primary display, too.
> Firmware typically completely disables, and does not POST, secondary
> displays. XFree86 is charged with the responsibility of POST'ing
> secondary displays.
XFree86 currently has to do some pray and hope stuff here. We cannot have
X and the kernel both controlling PCI allocations and config space at once.
X needs kernel interfaces to do the job right some day.
next prev parent reply other threads:[~2003-04-17 17:11 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-14 21:09 Subtle semantic issue with sleep callbacks in drivers Grover, Andrew
2003-04-16 18:39 ` Patrick Mochel
2003-04-16 19:36 ` Benjamin Herrenschmidt
2003-04-17 13:35 ` Alan Cox
2003-04-17 14:48 ` Jeff Garzik
2003-04-17 15:09 ` John Bradford
2003-04-17 15:09 ` Jeff Garzik
2003-04-17 15:47 ` John Bradford
2003-04-17 15:56 ` Jeff Garzik
2003-04-17 16:24 ` Alan Cox [this message]
2003-04-18 7:37 ` Greg KH
2003-04-18 7:51 ` John Bradford
2003-04-18 9:10 ` Russell King
2003-04-18 11:18 ` Alan Cox
2003-04-18 11:30 ` Alan Cox
2003-04-29 8:28 ` Pavel Machek
2003-04-17 14:59 ` John Bradford
2003-04-17 15:04 ` Alan Cox
-- strict thread matches above, loose matches on Subject: below --
2003-04-14 19:07 Grover, Andrew
2003-04-14 19:18 ` Benjamin Herrenschmidt
2003-04-14 19:56 ` Alan Cox
2003-04-23 15:34 ` Pavel Machek
2003-04-14 17:09 Grover, Andrew
2003-04-14 17:40 ` Benjamin Herrenschmidt
2003-04-23 15:29 ` Pavel Machek
2003-04-14 10:00 Benjamin Herrenschmidt
2003-04-14 10:11 ` Benjamin Herrenschmidt
2003-04-16 18:31 ` Patrick Mochel
2003-04-16 19:29 ` Benjamin Herrenschmidt
2003-04-23 15:32 ` Pavel Machek
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