From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Wed, 21 Jun 2006 19:38:17 +0000 (+0100)
Subject: [ARM] nommu: uaccess tweaks
X-Git-Tag: v2.6.18-rc1~411^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9641c7cc5a7f6d5c9dc9b43eea4e5f8c3c08c94e;p=pandora-kernel.git

[ARM] nommu: uaccess tweaks

MMUless systems have only one address space for all threads, so
both the usual access_ok() checks, and the exception handling do
not make much sense.

Hence, discard the fixup and exception tables at link time, use
memcpy/memset for the user copy/clearing functions, and define
the permission check macros to be constants.

Some of this patch was derived from the equivalent patch by
Hyok S. Choi.

Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

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