From: Michael Neuling <mikey@neuling.org>
Date: Wed, 29 May 2013 19:34:27 +0000 (+0000)
Subject: powerpc/pseries: Kill all prefetch streams on context switch
X-Git-Tag: v3.10-rc4~2^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a515348fc69fd1d9e8ebd34a16f1026d7fe32048;p=pandora-kernel.git

powerpc/pseries: Kill all prefetch streams on context switch

On context switch, we should have no prefetch streams leak from one
userspace process to another.  This frees up prefetch resources for the
next process.

Based on patch from Milton Miller.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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