From 78d1e02fac0595a8aa8a5064d1bd0c0ea55b22b0 Mon Sep 17 00:00:00 2001
From: Dave Olson <dave.olson@qlogic.com>
Date: Fri, 20 Jul 2007 14:41:26 -0700
Subject: [PATCH] IB/ipath: Workaround problem of errormask register being
 overwritten

On some system hardware, we are seeing moderately common cases of the
chip errormask register being overwritten due to a chip bug in iba6120
that is triggered by a vendor-specific PCIe broadcast message.  This
patch merely checks periodically, and corrects it if needed (the
overwrite can cause us to not get error and hardware error
interrupts).  Also, make dd->ipath_errormask the one, true canonical
source for kr_errormask, and remove references to ipath_ignorederrs as
it is currently unused.

Signed-off-by: Dave Olson <dave.olson@qlogic.com>
Signed-off-by: John Gregor <john.gregor@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
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