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Message-ID: <20101210123203.3b3b9c1c@jbarnes-desktop> Date: Fri, 10 Dec 2010 12:32:03 -0800 From: Jesse Barnes <jbarnes@...tuousgeek.org> To: Neil Horman <nhorman@...driver.com> Cc: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org, kexec@...ts.infradead.org, Vivek Goyal <vgoyal@...hat.com> Subject: Re: [PATCH] Update MCP55 quirk to not affect non HyperTransport variants On Wed, 8 Dec 2010 09:47:48 -0500 Neil Horman <nhorman@...driver.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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