From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 27 Sep 2006 09:37:30 +0000 (+0900)
Subject: sh: Fix occasional flush_cache_4096() stack corruption.
X-Git-Tag: v2.6.19-rc1~902^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33573c0e3243aaa38b6ad96942de85a1b713c2ff;p=pandora-kernel.git

sh: Fix occasional flush_cache_4096() stack corruption.

IRQs disabling in flush_cache_4096 for cache purge. Under certain
workloads we would get an IRQ in the middle of a purge operation,
and the cachelines would remain in an inconsistent state, leading
to occasional stack corruption.

Signed-off-by: Takeo Takahashi <takahashi.takeo@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

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