From: Andi Kleen <ak@muc.de>
To: Roland Dreier <roland@topspin.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [broken?] Add MSI support to e1000
Date: Mon, 23 Aug 2004 20:17:32 +0200 [thread overview]
Message-ID: <m3oel1hg77.fsf@averell.firstfloor.org> (raw)
In-Reply-To: <2wqXF-2jm-29@gated-at.bofh.it> (Roland Dreier's message of "Mon, 23 Aug 2004 19:40:11 +0200")
Roland Dreier <roland@topspin.com> writes:
> Tom> I do not see anything wrong with the patch and the kernel MSI
> Tom> support because it works for a short time. Ganesh may provide
> Tom> an answer on the MSI support in e1000 hardware.
>
> Based on the e1000 documentation I have, the only thing required for
> the e1000 to use MSI is to set the MSI enable bit in the PCI header.
> Of course there may be some e1000 erratum involving MSI but I have not
> been able to find any indication that this is the case.
There seems to be something wrong with the MSI code in the kernel.
I tried to add MSI support to the s2io driver on x86-64, but it just didn't
work (/proc/interrupts still displayed IO-APIC mode). I haven't
investigated in detail yet though.
-Andi
next parent reply other threads:[~2004-08-23 18:21 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <2wpoS-1ai-1@gated-at.bofh.it>
[not found] ` <2wqXF-2jm-29@gated-at.bofh.it>
2004-08-23 18:17 ` Andi Kleen [this message]
2004-08-23 18:26 ` [PATCH] [broken?] Add MSI support to e1000 Roland Dreier
2004-08-24 17:40 Nguyen, Tom L
-- strict thread matches above, loose matches on Subject: below --
2004-08-24 16:01 Nguyen, Tom L
2004-08-23 23:17 Nguyen, Tom L
2004-08-24 2:15 ` Roland Dreier
2004-08-23 19:41 Nguyen, Tom L
2004-08-23 23:39 ` Andi Kleen
2004-08-24 14:19 ` Roland Dreier
2004-08-23 19:09 Nguyen, Tom L
2004-08-23 19:39 ` Roland Dreier
2004-08-23 15:41 Nguyen, Tom L
2004-08-23 17:25 ` Roland Dreier
2004-08-24 21:49 ` Chris Leech
2004-08-24 23:36 ` Roland Dreier
2004-08-20 21:37 Roland Dreier
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