From: Vineet Gupta <vgupta@synopsys.com>
Date: Fri, 7 Mar 2014 07:52:22 +0000 (+0530)
Subject: ARC: Use correct PTAG register for icache flush
X-Git-Tag: v3.14-rc6~23
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b053940df41808f0f27568eb36820d10a8a987f8;p=pandora-kernel.git

ARC: Use correct PTAG register for icache flush

This fixes a subtle issue with cache flush which could potentially cause
random userspace crashes because of stale icache lines.

This error crept in when consolidating the cache flush code

Fixes: bd12976c3664 (ARC: cacheflush refactor #3: Unify the {d,i}cache)
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org  # 3.13
Cc: arc-linux-dev@synopsys.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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