Re: [PATCH 2/2] x86 TS_RESTORE_SIGMASK

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To: Roland McGrath <roland@...>

Cc: Linus Torvalds <torvalds@...>, Andrew Morton <akpm@...>, Martin Schwidefsky <schwidefsky@...>, <linux-s390@...>, <tony.luck@...>, <linux-ia64@...>, <linux-arch@...>, <linux-kernel@...>

Subject: Re: [PATCH 2/2] x86 TS_RESTORE_SIGMASK

Date: Monday, March 31, 2008 - 9:01 am

* Roland McGrath <roland@redhat.com> wrote:

quoted text> 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>
> ---
>  arch/x86/ia32/ia32_signal.c      |    2 +-
>  arch/x86/kernel/signal_32.c      |   19 ++++++++++---------
>  arch/x86/kernel/signal_64.c      |   16 +++++++++-------
>  include/asm-x86/thread_info_32.h |   13 +++++++++++--
>  include/asm-x86/thread_info_64.h |   13 +++++++++++--
>  5 files changed, 42 insertions(+), 21 deletions(-)

the x86 bits look nice - but i guess this all wants to go into 2.6.26 
via -mm (or linux-next), due to its cross-arch nature?

	Ingo
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Messages in current thread:

[PATCH 1/4] set_restore_sigmask, Roland McGrath, (Fri Mar 28, 8:12 pm)

[PATCH 4/4] ia64 renumber TIF_RESTORE_SIGMASK, Roland McGrath, (Fri Mar 28, 8:14 pm)

[PATCH 3/4] s390 renumber TIF_RESTORE_SIGMASK, Roland McGrath, (Fri Mar 28, 8:14 pm)

Re: [PATCH 3/4] s390 renumber TIF_RESTORE_SIGMASK, Martin Schwidefsky, (Mon Mar 31, 3:53 am)

[PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Roland McGrath, (Fri Mar 28, 8:13 pm)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Linus Torvalds, (Fri Mar 28, 8:53 pm)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Oleg Nesterov, (Tue Apr 8, 7:35 am)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, David Woodhouse, (Wed Apr 9, 7:16 am)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Oleg Nesterov, (Wed Apr 9, 7:39 am)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, David Woodhouse, (Wed Apr 9, 12:14 pm)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Oleg Nesterov, (Wed Apr 9, 12:22 pm)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, David Woodhouse, (Wed Apr 9, 2:40 pm)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Petr Tesarik, (Wed Apr 9, 8:57 am)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Roland McGrath, (Tue Apr 8, 3:51 pm)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Linus Torvalds, (Tue Apr 8, 10:53 am)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Paul Mackerras, (Sun Mar 30, 6:53 am)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Roland McGrath, (Fri Mar 28, 10:24 pm)

[PATCH 1/2] HAVE_SET_RESTORE_SIGMASK, Roland McGrath, (Fri Mar 28, 11:14 pm)

[PATCH 2/2] x86 TS_RESTORE_SIGMASK, Roland McGrath, (Fri Mar 28, 11:14 pm)

Re: [PATCH 2/2] x86 TS_RESTORE_SIGMASK, Ingo Molnar, (Mon Mar 31, 9:01 am)

Re: [PATCH 2/2] x86 TS_RESTORE_SIGMASK, Roland McGrath, (Mon Mar 31, 3:30 pm)

[PATCH 1/2] HAVE_SET_RESTORE_SIGMASK, Roland McGrath, (Fri Mar 28, 11:11 pm)

Re: [PATCH 1/2] HAVE_SET_RESTORE_SIGMASK, David Woodhouse, (Wed Apr 9, 7:45 am)

Re: [PATCH 1/2] HAVE_SET_RESTORE_SIGMASK, Russell King, (Thu Apr 10, 4:32 pm)

Re: [PATCH 1/2] HAVE_SET_RESTORE_SIGMASK, David Woodhouse, (Fri Apr 11, 9:40 am)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Linus Torvalds, (Fri Mar 28, 10:52 pm)

Re: [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING, Roland McGrath, (Fri Mar 28, 11:12 pm)


linux-kernel:
Greg Kroah-Hartman	[PATCH 001/196] Chinese: Add the known_regression URI to the HOWTO
Tarkan Erimer	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
Amit K. Arora	[RFC] Heads up on sys_fallocate()
Bart Van Assche	Integration of SCST in the mainstream Linux kernel
git:

linux-netdev:
David Miller	[GIT]: Networking
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
David Miller	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Frans Pop	svc: failed to register lockdv1 RPC service (errno 97).
openbsd-misc:

Re: [PATCH 2/2] x86 TS_RESTORE_SIGMASK

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