From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Date: Tue, 19 Feb 2013 13:59:19 +0000 (+0000)
Subject: xen: introduce xen_remap, use it instead of ioremap
X-Git-Tag: v3.9-rc1~96^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3216dceb31c08be08ea98814a9ca5775fa680389;p=pandora-kernel.git

xen: introduce xen_remap, use it instead of ioremap

ioremap can't be used to map ring pages on ARM because it uses device
memory caching attributes (MT_DEVICE*).

Introduce a Xen specific abstraction to map ring pages, called
xen_remap, that is defined as ioremap on x86 (no behavioral changes).
On ARM it explicitly calls __arm_ioremap with the right caching
attributes: MT_MEMORY.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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