KEYS: Extend TIF_NOTIFY_RESUME to (almost) all architectures [try #6]
authorDavid Howells <dhowells@redhat.com>
Wed, 2 Sep 2009 08:14:16 +0000 (09:14 +0100)
committerJames Morris <jmorris@namei.org>
Wed, 2 Sep 2009 11:29:19 +0000 (21:29 +1000)
commitd0420c83f39f79afb82010c2d2cafd150eef651b
tree0aa939d78ed62bafdd6e38ca26451f8039392378
parent7b1b9164598286fe93927ff41eed2a2609fd9056
KEYS: Extend TIF_NOTIFY_RESUME to (almost) all architectures [try #6]

Implement TIF_NOTIFY_RESUME for most of those architectures in which isn't yet
available, and, whilst we're at it, have it call the appropriate tracehook.

After this patch, blackfin, m68k* and xtensa still lack support and need
alteration of assembly code to make it work.

Resume notification can then be used (by a later patch) to install a new
session keyring on the parent of a process.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>

cc: linux-arch@vger.kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
18 files changed:
arch/alpha/include/asm/thread_info.h
arch/alpha/kernel/signal.c
arch/arm/include/asm/thread_info.h
arch/arm/kernel/entry-common.S
arch/arm/kernel/signal.c
arch/avr32/include/asm/thread_info.h
arch/avr32/kernel/entry-avr32b.S
arch/avr32/kernel/signal.c
arch/cris/kernel/ptrace.c
arch/h8300/include/asm/thread_info.h
arch/h8300/kernel/signal.c
arch/m32r/include/asm/thread_info.h
arch/m32r/kernel/signal.c
arch/mips/include/asm/thread_info.h
arch/mips/kernel/signal.c
arch/parisc/include/asm/thread_info.h
arch/parisc/kernel/entry.S
arch/parisc/kernel/signal.c