From: "Gérard Roudier" <groudier@free.fr>
To: "David S. Miller" <davem@redhat.com>
Cc: <matthias@winterdrache.de>, <linux-kernel@vger.kernel.org>
Subject: Re: sym53c875: reading /proc causes SCSI parity error
Date: Thu, 29 Nov 2001 20:40:06 +0100 (CET) [thread overview]
Message-ID: <20011129203311.F2019-100000@gerard> (raw)
In-Reply-To: <20011128.144925.94842859.davem@redhat.com>
On Wed, 28 Nov 2001, David S. Miller wrote:
> From: Gérard Roudier <groudier@free.fr>
> Date: Wed, 28 Nov 2001 20:51:01 +0100 (CET)
>
> On Wed, 28 Nov 2001, David S. Miller wrote:
>
> > Why not just put some bitmap pointer into the pci device
> > struct. If it is non-NULL, it specifies PCI config space
> > areas which have side-effects.
>
> Or a simple offset beyond which reading data isn't desirable for
> whatever reasons.
>
> I do not think that is sufficient.
>
> I have seen chips where only one single PCI config space word would
> trigger problems, and it was due to a hw bug. The "offset beyond"
> scheme would not allow to cover this case.
OK. I ignored that such weirdness existed.
Gérard.
next prev parent reply other threads:[~2001-11-29 22:33 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-28 18:28 Matthias Benkmann
2001-11-28 18:14 ` Gérard Roudier
2001-11-28 19:13 ` Mathieu Chouquet-Stringer
2001-11-28 19:40 ` Matthias Benkmann
2001-11-28 19:56 ` Mathieu Chouquet-Stringer
2001-11-28 21:15 ` David S. Miller
2001-11-28 19:51 ` Gérard Roudier
2001-11-28 22:49 ` David S. Miller
2001-11-29 19:40 ` Gérard Roudier [this message]
2001-11-28 23:47 ` Alan Cox
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