From: Andrew Morton <akpm@osdl.org>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: zippel@linux-m68k.org, torvalds@osdl.org, bunk@stusta.de,
geert@linux-m68k.org, linux-m68k@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: 2.6.16-rc regression: m68k CONFIG_RMW_INSNS=n compile broken
Date: Sat, 4 Mar 2006 12:28:48 -0800 [thread overview]
Message-ID: <20060304122848.188430e8.akpm@osdl.org> (raw)
In-Reply-To: <4409A05F.2090704@yahoo.com.au>
Nick Piggin <nickpiggin@yahoo.com.au> wrote:
>
> Roman Zippel wrote:
> > Hi,
> >
> > On Fri, 3 Mar 2006, Andrew Morton wrote:
> >
> >
> >>Yes, we now require cmpxchg of all architectures.
> >
> >
> > Actually I'd prefer if we used atomic_cmpxchg() instead.
> > The cmpxchg() emulation was never added for a good reason - to keep code
> > from assuming it can be used it for userspace synchronisation. Using an
> > atomic_t here would probably get at least some attention.
> >
>
> Yes, I guess that's what Andrew meant. The reason we can require
> atomic_cmpxchg of all architectures is because it is only guaranteed
> to work on atomic_t.
>
> Glad to hear it won't be a problem for you though.
>
Could someone with an m68k compiler please send the patch?
next prev parent reply other threads:[~2006-03-04 20:33 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-27 5:27 Linux v2.6.16-rc5 Linus Torvalds
2006-02-27 5:51 ` Jeff Garzik
2006-02-27 6:21 ` Randy.Dunlap
2006-02-27 6:52 ` Jeff Garzik
2006-02-27 8:13 ` Paul Rolland
2006-02-27 18:04 ` Francois Romieu
2006-02-27 18:38 ` Jeff Garzik
2006-02-27 22:24 ` Pull request for 'for-jeff' branch Francois Romieu
2006-02-27 6:13 ` 2.6.16-rc5: known regressions Adrian Bunk
2006-02-27 6:26 ` Ryan Phillips
2006-02-27 6:39 ` Vojtech Pavlik
2006-02-27 9:14 ` 2.6.16-rc5: known regressions (ps2 mouse/keyboard issues) Duncan
2006-02-27 6:54 ` 2.6.16-rc5: known regressions Jeff Garzik
2006-02-27 7:08 ` Adrian Bunk
2006-02-28 9:40 ` Jens Axboe
2006-03-01 0:17 ` Randy.Dunlap
2006-03-04 13:18 ` Adrian Bunk
2006-02-27 13:36 ` Mark Lord
2006-02-27 14:09 ` Pavel Machek
2006-03-02 14:00 ` [v4l-dvb-maintainer] " Mauro Carvalho Chehab
2006-03-04 13:27 ` Adrian Bunk
2006-03-04 13:39 ` Mauro Carvalho Chehab
[not found] ` <6dd519ae0603080313o4e7b8a61h5002125c33a0e008@mail.gmail.com>
2006-03-08 20:29 ` Mauro Carvalho Chehab
2006-03-08 22:52 ` Hartmut Hackmann
2006-02-27 7:28 ` Linux v2.6.16-rc5 Dave Jones
2006-02-27 11:20 ` Jens Axboe
2006-02-27 22:42 ` Neil Brown
2006-02-27 7:42 ` Dave Jones
2006-02-27 9:28 ` Nick Piggin
2006-02-27 19:52 ` Rene Herman
2006-02-27 22:51 ` Andrew Morton
2006-02-27 23:32 ` Rene Herman
2006-02-28 1:05 ` Rene Herman
2006-02-28 1:12 ` Andrew Morton
2006-02-28 9:38 ` Linux v2.6.16-rc5 - regression Peter Hagervall
2006-02-28 10:03 ` Andrew Morton
2006-02-28 11:41 ` Peter Hagervall
2006-02-28 11:49 ` Peter Hagervall
2006-02-28 12:43 ` Linux v2.6.16-rc5 Christoph Hellwig
2006-03-03 16:00 ` Mark Rosenstand
2006-03-03 23:01 ` 2.6.16-rc regression: m68k CONFIG_RMW_INSNS=n compile broken Adrian Bunk
2006-03-03 23:22 ` Linus Torvalds
2006-03-03 23:43 ` Adrian Bunk
2006-03-03 23:59 ` Andrew Morton
2006-03-04 14:01 ` Roman Zippel
2006-03-04 14:12 ` Nick Piggin
2006-03-04 20:28 ` Andrew Morton [this message]
2006-03-08 11:24 ` [2.6 patch] m68k: fix cmpxchg compile errors if CONFIG_RMW_INSNS=n Adrian Bunk
2006-03-05 14:09 ` Linux v2.6.16-rc5 Olaf Hering
2006-03-05 18:59 ` Olaf Hering
2006-03-05 20:02 ` Linus Torvalds
2006-03-05 20:42 ` Olaf Hering
2006-03-05 21:50 ` Paul Mackerras
2006-03-05 22:22 ` Olaf Hering
2006-03-05 22:44 ` Olaf Hering
2006-03-06 7:48 ` Olaf Hering
2006-03-06 16:48 ` Olaf Hering
2006-03-06 22:20 ` Olaf Hering
2006-03-06 23:02 ` Olaf Hering
2006-03-11 21:59 ` Olaf Hering
2006-03-05 22:03 ` Mathieu Chouquet-Stringer
2006-03-06 2:12 ` Linus Torvalds
2006-03-06 4:44 2.6.16-rc regression: m68k CONFIG_RMW_INSNS=n compile broken Suzanne Wood
2006-03-06 15:35 ` Dipankar Sarma
2006-03-06 16:13 Suzanne Wood
2006-03-06 16:48 ` Dipankar Sarma
2006-03-07 1:14 Suzanne Wood
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