From: Christoph Hellwig <hch@infradead.org>
To: Wen Xiong <wenxiong@us.ibm.com>
Cc: wendyx@linux.vnet.ibm.com, Auke Kok <auke-jan.h.kok@intel.com>,
jeff@garzik.org, e1000-devel@lists.sourceforge.net,
netdev@vger.kernel.org, Kumar Gala <galak@kernel.crashing.org>,
Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH] e1000: Work around 82571 completion timout on Pseries HW
Date: Sat, 23 Jun 2007 09:20:03 +0100 [thread overview]
Message-ID: <20070623082003.GA29471@infradead.org> (raw)
In-Reply-To: <OFDD90D73E.30B0DB27-ON872572DE.004ED0BE-862572DE.005242EA@us.ibm.com>
On Thu, May 17, 2007 at 09:58:03AM -0500, Wen Xiong wrote:
> >>It really shouldn't be there at all because something in either the
> intel
> >>or pseries hardware is totally buggy and we should disable features in
> >>the buggy one completely.
>
> Hi,
>
> Here there are not hardware issue on both Intel or PPC. The patch is to
> work around a loop hold on early version of PCI SGI spec.
> The later PCI Sgi have spec have corrected it. We can just implement it
> for PPC only. Other vendor may have the same issue.
In this case we should add a blacklist for implementations of the old
spec. There should be a way to find specific bridges in the OF firmware
tree on powerpc and similar things on other platforms aswell.
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next prev parent reply other threads:[~2007-06-23 8:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-16 8:53 [PATCH] e1000: Work around 82571 completion timout on Pseries HW Auke Kok
2007-05-16 16:00 ` Jeff Garzik
2007-05-16 22:11 ` Wen Xiong
2007-05-16 22:31 ` Benjamin Herrenschmidt
2007-05-17 0:43 ` Kumar Gala
2007-05-17 9:01 ` Christoph Hellwig
2007-05-17 13:10 ` Kumar Gala
2007-05-17 14:58 ` Wen Xiong
2007-05-17 21:04 ` Jeff Garzik
2007-05-17 21:44 ` wendy xiong
2007-06-23 8:20 ` Christoph Hellwig [this message]
2007-06-23 17:05 ` Kok, Auke
2007-05-18 0:47 ` Jeff Garzik
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