From: Ingo Molnar <mingo@elte.hu>
To: Roland McGrath <roland@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Andrew Morton <akpm@linux-foundation.org>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
linux-s390@vger.kernel.org, tony.luck@intel.com,
linux-ia64@vger.kernel.org, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] x86 TS_RESTORE_SIGMASK
Date: Mon, 31 Mar 2008 15:01:06 +0200 [thread overview]
Message-ID: <20080331130106.GA15198@elte.hu> (raw)
In-Reply-To: <20080329031451.D2E1226FA1D@magilla.localdomain>
* Roland McGrath <roland@redhat.com> wrote:
> 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
next prev parent reply other threads:[~2008-03-31 13:01 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-29 0:12 [PATCH 1/4] set_restore_sigmask Roland McGrath
2008-03-29 0:13 ` [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING Roland McGrath
2008-03-29 0:53 ` Linus Torvalds
2008-03-29 2:24 ` Roland McGrath
2008-03-29 2:52 ` Linus Torvalds
2008-03-29 3:12 ` Roland McGrath
2008-03-29 3:11 ` [PATCH 1/2] HAVE_SET_RESTORE_SIGMASK Roland McGrath
2008-04-09 11:45 ` David Woodhouse
2008-04-10 20:32 ` Russell King
2008-04-11 13:40 ` David Woodhouse
2008-03-29 3:14 ` Roland McGrath
2008-03-29 3:14 ` [PATCH 2/2] x86 TS_RESTORE_SIGMASK Roland McGrath
2008-03-31 13:01 ` Ingo Molnar [this message]
2008-03-31 19:30 ` Roland McGrath
2008-03-30 10:53 ` [PATCH 2/4] set_restore_sigmask TIF_SIGPENDING Paul Mackerras
2008-04-08 11:35 ` Oleg Nesterov
2008-04-08 14:53 ` Linus Torvalds
2008-04-08 19:51 ` Roland McGrath
2008-04-09 11:16 ` David Woodhouse
2008-04-09 11:39 ` Oleg Nesterov
2008-04-09 12:57 ` Petr Tesarik
2008-04-09 16:14 ` David Woodhouse
2008-04-09 16:22 ` Oleg Nesterov
2008-04-09 18:40 ` David Woodhouse
2008-03-29 0:14 ` [PATCH 3/4] s390 renumber TIF_RESTORE_SIGMASK Roland McGrath
2008-03-31 7:53 ` Martin Schwidefsky
2008-03-29 0:14 ` [PATCH 4/4] ia64 " Roland McGrath
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