[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>

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.