From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Tue, 23 Jul 2013 23:29:18 +0000 (+0100)
Subject: ARM: move signal handlers into a vdso-like page
X-Git-Tag: v3.11-rc4~12^2^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48be69a026b2c17350a5ef18a1959a919f60be7d;p=pandora-kernel.git

ARM: move signal handlers into a vdso-like page

Move the signal handlers into a VDSO page rather than keeping them in
the vectors page.  This allows us to place them randomly within this
page, and also map the page at a random location within userspace
further protecting these code fragments from ROP attacks.  The new
VDSO page is also poisoned in the same way as the vector page.

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

Reading git-diff-tree failed