Messages in this thread | | | Date | Thu, 9 Dec 2010 15:40:41 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] Update MCP55 quirk to not affect non HyperTransport variants |
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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. > > Reported-by: Mathieu B__rard <mathieu@mberard.eu> > CC: linux-pci@vger.kernel.org > CC: kexec@lists.infradead.org > CC: Vivek Goyal <vgoyal@redhat.com> > CC: Jesse Barnes <jbarnes@virtuousgeek.org> > Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
That needed a Cc:<stable@kernel.org> as well. Please don't forget to remember -stable.
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