From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Wed, 31 Jul 2013 20:58:56 +0000 (+0100)
Subject: ARM: make vectors page inaccessible from userspace
X-Git-Tag: v3.11-rc4~12^2^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5463cd3435475386cbbe7b06e01292ac169d36f;p=pandora-kernel.git

ARM: make vectors page inaccessible from userspace

If kuser helpers are not provided by the kernel, disable user access to
the vectors page.  With the kuser helpers gone, there is no reason for
this page to be visible to userspace.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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