linux-kernel - Re: Workaround for Intel MPS errata

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Message-ID: <4E898A69.8060306@redhat.com>
Date:	Mon, 03 Oct 2011 12:11:53 +0200
From:	Avi Kivity <avi@...hat.com>
To:	Jon Mason <mason@...i.com>
CC:	Sven Schnelle <svens@...ckframe.org>, Simon Kirby <sim@...tway.ca>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Niels Ole Salscheider <niels_ole@...scheider-online.de>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	Ben Hutchings <bhutchings@...arflare.com>
Subject: Re: Workaround for Intel MPS errata

On 10/03/2011 06:58 AM, Jon Mason wrote:
> On Sun, Oct 02, 2011 at 11:26:12AM +0200, Avi Kivity wrote:
> >  On 09/30/2011 03:16 AM, Jon Mason wrote:
> >  >Hey Avi,
> >  >Can you try this patch?  It should resolve the issue you are seeing.
> >
> >  It doesn't; the fixup: label is not reached (though I do have an
> >  0x25d4 device).
> >
> >  -- 
> >  error compiling committee.c: too many arguments to function
> >
>
> I found a system with a 5000X Memory controller (which should have the
> same errata).  It doesn't have the faulty bit (perhaps better BIOS).  I
> was able to findout why the code in the previous patch wasn't working,
> but wasn't able to cause the crash by setting the bit from the errata.
> The reworked version of the previous patch found below should resolve
> the issue.  Please test it if you can.

Will be happy to test, but patch appears to be against a different tree?

$ git apply -C2 .git/rebase-apply/patch
.git/rebase-apply/patch:75: trailing whitespace, shock horror.
      *
Context reduced to (2/2) to apply fragment at 1362
Context reduced to (2/2) to apply fragment at 1475
error: patch failed: drivers/pci/probe.c:1433
error: drivers/pci/probe.c: patch does not apply




-- 
error compiling committee.c: too many arguments to function

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