On Thu, Dec 09, 2010 at 03:40:41PM -0800, Andrew Morton wrote: > On Wed, 8 Dec 2010 09:47:48 -0500 > Neil Horman <nhorman@xxxxxxxxxxxxx> 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@xxxxxxxxxx> > > CC: linux-pci@xxxxxxxxxxxxxxx > > CC: kexec@xxxxxxxxxxxxxxxxxxx > > CC: Vivek Goyal <vgoyal@xxxxxxxxxx> > > CC: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> > > Signed-off-by: Neil Horman <nhorman@xxxxxxxxxxxxx> > > That needed a Cc:<stable@xxxxxxxxxx> as well. Please don't forget to > remember -stable. Thanks, Cc'ing stable on the thread > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
