From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Neil Horman <nhorman@tuxdriver.com>
Cc: linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
kexec@lists.infradead.org, Vivek Goyal <vgoyal@redhat.com>
Subject: Re: [PATCH] Update MCP55 quirk to not affect non HyperTransport variants
Date: Fri, 10 Dec 2010 12:32:03 -0800 [thread overview]
Message-ID: <20101210123203.3b3b9c1c@jbarnes-desktop> (raw)
In-Reply-To: <1291819668-15624-1-git-send-email-nhorman@tuxdriver.com>
On Wed, 8 Dec 2010 09:47:48 -0500
Neil Horman <nhorman@tuxdriver.com> wrote:
> I wrote this quirk awhile ago to properly setup MCP55 chips on hypertransport
> busses so that interrupts reached whatever cpu happend to boot the kdump kernel.
> while that works well, it was recently shown to me that a a non-hypertransport
> variant of the MCP55 exists, and on those system the register that this quirk
> manipulates causes hangs if you write to it. Since the quirk was only meant to
> handle errors found on MCP55 chips that have a HT interface, this patch adds a
> filter to make sure the chip is an HT capable before making the needed register
> adjustment. This lets the broken MCP55s work with kdump while not breaking the
> non-HT variants.
>
> Resolves https://bugzilla.kernel.org/show_bug.cgi?id=23952
>
> Tested successfully by the reporter and myself.
Applied to my for-linus branch, thanks.
--
Jesse Barnes, Intel Open Source Technology Center
prev parent reply other threads:[~2010-12-10 20:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-08 14:47 Neil Horman
2010-12-08 16:44 ` Vivek Goyal
2010-12-08 17:21 ` Neil Horman
2010-12-09 23:40 ` Andrew Morton
2010-12-10 11:54 ` Neil Horman
2010-12-10 20:32 ` Jesse Barnes [this message]
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