From 5c1344e988c716470b5609708215dd7f135f0e3a Mon Sep 17 00:00:00 2001
From: Linas Vepstas <linas@linas.org>
Date: Thu, 3 Nov 2005 18:49:31 -0600
Subject: [PATCH] [PATCH] ppc64: escape hatch for spinning interrupt deadlocks

08-eeh-spin-counter.patch

One an EEH event is triggers, all further I/O to a device is blocked (until
reset).  Bad device drivers may end up spinning in their interrupt handlers,
trying to read an interrupt status register that will never change state.
This patch moves that spin counter to a per-device structure, and adds
some diagnostic prints to help locate the bad driver.

Signed-off-by: Linas Vepstas <linas@linas.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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