signals: x86 TS_RESTORE_SIGMASK
authorRoland McGrath <roland@redhat.com>
Wed, 30 Apr 2008 07:53:10 +0000 (00:53 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 30 Apr 2008 15:29:37 +0000 (08:29 -0700)
commit5a8da0ea82db6fa9737041381079fd16f25dcce2
treeabd26177c0a965315de290e1e9602d087b78f149
parentf3de272b821accbc8387211977c2de4f38468d05
signals: x86 TS_RESTORE_SIGMASK

Replace TIF_RESTORE_SIGMASK with TS_RESTORE_SIGMASK and define our own
set_restore_sigmask() function.  This saves the costly SMP-safe set_bit
operation, which we do not need for the sigmask flag since TIF_SIGPENDING
always has to be set too.

Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/x86/ia32/ia32_signal.c
arch/x86/kernel/signal_32.c
arch/x86/kernel/signal_64.c
include/asm-x86/thread_info_32.h
include/asm-x86/thread_info_64.h