From: Linus Torvalds <torvalds@osdl.org>
To: Jon Smirl <jonsmirl@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>,
benh@kernel.crashing.org, linux-kernel@vger.kernel.org,
greg@kroah.com, helgehaf@aitel.hist.no
Subject: Re: Ignore disabled ROM resources at setup
Date: Mon, 29 Aug 2005 22:15:07 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.58.0508292207330.3243@g5.osdl.org> (raw)
In-Reply-To: <9e473391050829215148807c49@mail.gmail.com>
On Tue, 30 Aug 2005, Jon Smirl wrote:
>
> I was reading the status out of the PCI config space to account for
> our friend X which enables ROMs without informing the OS. With X
> around PCI config space can get out of sync with the kernel
> structures.
Well, yes, except that we use the in-kernel resource address for the
actual ioremap() _anyway_ in the routine that calls this, so if X has
remapped the ROM somewhere else, that wouldn't work in the first place.
I'm sure X plays games with this register (I suspect that's why the Matrox
thing broke in the first place), but I don't think it should do so while
the kernel uses it.
I don't think we have much choice anyway. See above.
Linus
next prev parent reply other threads:[~2005-08-30 5:16 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200508261859.j7QIxT0I016917@hera.kernel.org>
2005-08-30 2:38 ` Ignore disabled ROM resources at setup Benjamin Herrenschmidt
2005-08-30 3:15 ` Linus Torvalds
2005-08-30 4:47 ` Jon Smirl
2005-08-30 3:19 ` Benjamin Herrenschmidt
2005-08-30 3:52 ` Linus Torvalds
2005-08-30 4:09 ` Linus Torvalds
2005-08-30 4:20 ` David S. Miller
2005-08-30 4:37 ` Benjamin Herrenschmidt
2005-08-30 4:40 ` Linus Torvalds
2005-08-30 4:49 ` Benjamin Herrenschmidt
2005-08-30 5:29 ` Linus Torvalds
2005-08-30 6:46 ` Benjamin Herrenschmidt
2005-08-31 4:16 ` Benjamin Herrenschmidt
2005-08-30 4:51 ` Jon Smirl
2005-08-30 4:54 ` Benjamin Herrenschmidt
2005-08-30 5:15 ` Linus Torvalds [this message]
2005-08-30 14:39 ` Alan Cox
2005-08-30 15:29 ` Petr Vandrovec
2005-08-30 4:33 ` Benjamin Herrenschmidt
2005-08-30 5:03 ` Linus Torvalds
2005-08-30 6:40 ` Benjamin Herrenschmidt
2005-08-30 4:35 ` Jon Smirl
2005-08-30 5:32 ` David S. Miller
2005-08-30 6:43 ` Benjamin Herrenschmidt
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