From: Russell King <rmk+lkml@arm.linux.org.uk>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Roland McGrath <roland@redhat.com>,
"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, miles@gnu.org,
geert@linux-m68k.org, zippel@linux-m68k.org
Subject: Re: [PATCH 1/2] HAVE_SET_RESTORE_SIGMASK
Date: Thu, 10 Apr 2008 21:32:50 +0100 [thread overview]
Message-ID: <20080410203250.GA21589@flint.arm.linux.org.uk> (raw)
In-Reply-To: <1207741532.27048.64.camel@shinybook.infradead.org>
On Wed, Apr 09, 2008 at 12:45:32PM +0100, David Woodhouse wrote:
> On Fri, 2008-03-28 at 20:11 -0700, Roland McGrath wrote:
> > Change all the #ifdef TIF_RESTORE_SIGMASK conditionals in non-arch
> > code to #ifdef HAVE_SET_RESTORE_SIGMASK.
>
> That ifdef was only supposed to be a temporary thing until all
> architectures had implemented TIF_RESTORE_SIGMASK anyway.
>
> It looks like only ARM, v850 and m68k which are still missing it; if
> those three architectures can catch up, then hopefully it can die off
> completely quite soon.
Well, we don't have the pselect/ppoll/epoll_wait syscalls and there's
been no demand for them, so I don't particularly see the point of
going to the trouble of adding support for something no one's
interested in using.
I was going to suggest defining TIF_RESTORE_SIGMASK to zero to eliminate
some of the code (and the ifdefs), but unfortunately its a bit position
not a bitmask so that won't work.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of:
next prev parent reply other threads:[~2008-04-10 20:39 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 [this message]
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
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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