From: Gregory Fong <gregory.0xf0@gmail.com>
Date: Wed, 12 Jun 2013 17:08:54 +0000 (+0000)
Subject: MIPS: initial stack protector support
X-Git-Tag: v3.11-rc1~14^2~44
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=36ecafc5ad17861e2bc1fb12af4cc97680e25942;p=pandora-kernel.git

MIPS: initial stack protector support

Implements basic stack protector support based on ARM version in
c743f38013aeff58ef6252601e397b5ba281c633 , with Kconfig option,
constant canary value set at boot time, and script to check if
compiler actually supports stack protector.

Tested by creating a kernel module that writes past end of char[].

Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Filippo Arcidiacono <filippo.arcidiacono@st.com>
Cc: Carmelo Amoroso <carmelo.amoroso@st.com>
Patchwork: https://patchwork.linux-mips.org/patch/5448/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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