Re: [PATCH 1/2] HAVE_SET_RESTORE_SIGMASK
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- To: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
- Subject: Re: [PATCH 1/2] HAVE_SET_RESTORE_SIGMASK
- From: Russell King <rmk+lkml@xxxxxxxxxxxxxxxx>
- Date: Thu, 10 Apr 2008 21:32:50 +0100
- Cc: Roland McGrath <roland@xxxxxxxxxx>, "Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>Andrew Morton" <akpm@xxxxxxxxxxxxxxxxxxxx>, Martin Schwidefsky <schwidefsky@xxxxxxxxxx>, linux-s390@xxxxxxxxxxxxxxx, tony.luck@xxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, miles@xxxxxxx, geert@xxxxxxxxxxxxxx, zippel@xxxxxxxxxxxxxx
- In-reply-to: <1207741532.27048.64.camel@xxxxxxxxxxxxxxxxxxxxxxx>
- List-id: <linux-ia64.vger.kernel.org>
- Mail-followup-to: David Woodhouse <dwmw2@xxxxxxxxxxxxx>, Roland McGrath <roland@xxxxxxxxxx>, "Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>Andrew Morton" <akpm@xxxxxxxxxxxxxxxxxxxx>, Martin Schwidefsky <schwidefsky@xxxxxxxxxx>, linux-s390@xxxxxxxxxxxxxxx, tony.luck@xxxxxxxxx, linux-ia64@xxxxxxxxxxxxxxx, linux-arch@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, miles@xxxxxxx, geert@xxxxxxxxxxxxxx, zippel@xxxxxxxxxxxxxx
- References: <20080329001230.D013726FA1D@xxxxxxxxxxxxxxxxxxx> <20080329001341.7F93826FA1D@xxxxxxxxxxxxxxxxxxx> <alpine.LFD.1.00.0803281746480.14670@xxxxxxxxxxxxxxxxxxxxxxxxxx> <20080329022408.0DD4726FA1D@xxxxxxxxxxxxxxxxxxx> <20080329031146.6FF7126FA1D@xxxxxxxxxxxxxxxxxxx> <1207741532.27048.64.camel@xxxxxxxxxxxxxxxxxxxxxxx>
- User-agent: Mutt/1.4.2.1i
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:
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