From: Andi Kleen <ak@suse.de>
Date: Sat, 25 Mar 2006 15:31:04 +0000 (+0100)
Subject: [PATCH] x86_64: Change default setting for noexec32 to match i386 kernel
X-Git-Tag: v2.6.17-rc1~687
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7682968b7d4d42bb076051b962c3926b4c98539a;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

[PATCH] x86_64: Change default setting for noexec32 to match i386 kernel

This means i386 processes compiled with a recent compiler will get non
executable heap by default now.  This is the same default as a 32bit PAE
kernel would use on a NX enabled CPU.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c
index 356b462..eabdb63f 100644
--- a/arch/x86_64/kernel/setup64.c
+++ b/arch/x86_64/kernel/setup64.c
@@ -59,7 +59,7 @@ int __init nonx_setup(char *str)
 } 
 __setup("noexec=", nonx_setup);	/* parsed early actually */
 
-int force_personality32 = READ_IMPLIES_EXEC;
+int force_personality32 = 0; 
 
 /* noexec32=on|off
 Control non executable heap for 32bit processes.