From: Jack Steiner <steiner@sgi.com>
Date: Thu, 3 Sep 2009 17:56:02 +0000 (-0500)
Subject: x86, pat: Fix cacheflush address in change_page_attr_set_clr()
X-Git-Tag: v2.6.32-rc1~680^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa526d0d641b5365676a1fb821ce359e217c9b85;p=pandora-kernel.git

x86, pat: Fix cacheflush address in change_page_attr_set_clr()

Fix address passed to cpa_flush_range() when changing page
attributes from WB to UC. The address (*addr) is
modified by __change_page_attr_set_clr(). The result is that
the pages being flushed start at the _end_ of the changed range
instead of the beginning.

This should be considered for 2.6.30-stable and 2.6.31-stable.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Stable team <stable@kernel.org>
---

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