From: Yinghai Lu <yinghai@kernel.org>
Date: Tue, 17 Nov 2009 07:04:56 +0000 (-0800)
Subject: x86: When cleaning MTRRs, do not fold WP into UC
X-Git-Tag: v2.6.33-rc1~374^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=508d85c2c6bc8cba53d2a54d9a306ad64a0a80bf;p=pandora-kernel.git

x86: When cleaning MTRRs, do not fold WP into UC

The current MTRR code treats WP as a form of UC.  This really isn't
desirable behaviour, except possibly in the case of severe MTRR
shortage.  Disable this, to allow legitimate uses of WP to remain
unmolested.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
---

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