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linux-2.6/arch/xtensa
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Jiri Kosina 16f3e95b32 cross-arch: don't corrupt personality flags upon exec() 
Historically, the top three bytes of personality have been used for
things such as ADDR_NO_RANDOMIZE, which made sense only for specific
architectures.

We now however have a flag there that is general no matter the
architecture (UNAME26); generally we have to be careful to preserve the
personality flags across exec().

This patch tries to fix all architectures that forcefully overwrite
personality flags during exec() (ppc32 and s390 have been fixed recently
by commits f9783ec862 ("[S390] Do not clobber personality flags on
exec") and 59e4c3a2fe ("powerpc/32: Don't clobber personality flags on
exec") in a similar way already).

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Mike Frysinger <vapier@gentoo.org>
Cc: Mark Salter <msalter@redhat.com>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Chen Liqin <liqin.chen@sunplusct.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2012-10-06 03:04:47 +09:00
..
boot xtensa: change to new flag variable 2011-03-17 14:02:57 +01:00
configs tokenring: delete all remaining driver support 2012-05-15 20:23:16 -04:00
include cross-arch: don't corrupt personality flags upon exec() 2012-10-06 03:04:47 +09:00
kernel PCI changes for the 3.7 merge window: 2012-10-01 12:05:36 -07:00
lib xtensa: move headers files to arch/xtensa/include 2008-11-06 10:25:09 -08:00
mm xtensa/mm/fault.c: port OOM changes to do_page_fault 2012-07-30 17:25:11 -07:00
platforms TTY: use tty_port_link_device 2012-08-13 16:50:19 -07:00
variants xtensa: Change mail addresses of Hannes Weiner and Oskar Schirmer 2012-05-17 22:47:41 +02:00
Kconfig xtensa: remove duplicate CONFIG_HOTPLUG definition 2012-09-06 13:26:16 -07:00
Kconfig.debug
…
Makefile xtensa: use "test -e" instead of bashism "test -a" 2012-06-20 14:39:35 -07:00