On Wed, 8 Dec 2010 09:47:48 -0500 Neil Horman <nhorman at 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 at mberard.eu> > CC: linux-pci at vger.kernel.org > CC: kexec at lists.infradead.org > CC: Vivek Goyal <vgoyal at redhat.com> > CC: Jesse Barnes <jbarnes at virtuousgeek.org> > Signed-off-by: Neil Horman <nhorman at tuxdriver.com> That needed a Cc:<stable at kernel.org> as well. Please don't forget to remember -stable.
