From: Kevin Hao <haokexin@gmail.com>
Date: Thu, 22 Aug 2013 01:30:35 +0000 (+0800)
Subject: powerpc: purge all the prefetched instructions for the coherent icache flush
X-Git-Tag: v3.14-rc1~80^2~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ce636700c5bad54eda0e62903a1803f6d67b31d;p=pandora-kernel.git

powerpc: purge all the prefetched instructions for the coherent icache flush

As Benjamin Herrenschmidt has indicated, we still need a dummy icbi to
purge all the prefetched instructions from the ifetch buffers for the
snooping icache. We also need a sync before the icbi to order the
actual stores to memory that might have modified instructions with
the icbi.

Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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