From: Ian Campbell <ian.campbell@citrix.com>
Date: Tue, 16 Dec 2008 20:17:31 +0000 (-0800)
Subject: swiotlb: add arch hook to force mapping
X-Git-Tag: v2.6.29-rc1~572^2^3~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b81ea27b2329bf44b30c427800954f845896d476;p=pandora-kernel.git

swiotlb: add arch hook to force mapping

Impact: generalize the sw-IOTLB range checks

Some architectures require special rules to determine whether a range
needs mapping or not.  This adds a weak function for architectures to
override.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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