From: Markos Chandras <markos.chandras@imgtec.com>
Date: Wed, 11 Dec 2013 16:47:10 +0000 (+0000)
Subject: MIPS: asm: uaccess: Add EVA support to copy_{in, to,from}_user
X-Git-Tag: v3.15-rc1~125^2~90
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05c6516005c47c3b11582eec2137908ce1afe316;p=pandora-kernel.git

MIPS: asm: uaccess: Add EVA support to copy_{in, to,from}_user

Use the EVA specific functions from memcpy.S to perform
userspace operations. When get_fs() == get_ds() the usual load/store
instructions are used because the destination address is located in
the kernel address space region. Otherwise, the EVA specifc load/store
instructions are used which will go through th TLB to perform the virtual
to physical translation for the userspace address.

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
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