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From: "David S. Miller" <davem@davemloft.net>
To: jonsmirl@gmail.com
Cc: benh@kernel.crashing.org, linux-kernel@vger.kernel.org,
	greg@kroah.com, helgehaf@aitel.hist.no, torvalds@osdl.org
Subject: Re: Ignore disabled ROM resources at setup
Date: Mon, 29 Aug 2005 22:32:38 -0700 (PDT)	[thread overview]
Message-ID: <20050829.223238.18109086.davem@davemloft.net> (raw)
In-Reply-To: <9e47339105082921356543098c@mail.gmail.com>

From: Jon Smirl <jonsmirl@gmail.com>
Date: Tue, 30 Aug 2005 00:35:11 -0400

> As far as I can tell no one has built recent hardware this way. But I
> believe there are some old SCSI controllers that do this. I provided a
> ROM API for disabling sysfs access, if we identify one of these cards
> we should just add a call to it's driver to disable ROM access instead
> of bothering with the copy. Currently the copy is not being used
> anywhere in the kernel.

Qlogic ISP is one such card, but there are several others.

I think enabling the ROM is a very bad idea, since we in fact
know it disables the I/O and MEM space decoders on a non-empty
set of PCI cards.

  reply	other threads:[~2005-08-30  5:32 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
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 [this message]
2005-08-30  6:43       ` Benjamin Herrenschmidt

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