From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Will Deacon <will.deacon@arm.com>
Cc: Linux-Arch <linux-arch@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>, Michal Simek <monstr@monstr.eu>,
David Howells <dhowells@redhat.com>,
Mark Brown <broonie@linaro.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Peter Zijlstra <peterz@infradead.org>,
Paul McKenney <paulmck@linux.vnet.ibm.com>
Subject: Re: [PATCH 10/18] m68k: io: implement dummy relaxed accessor macros for writes
Date: Thu, 17 Apr 2014 18:07:28 +0200 [thread overview]
Message-ID: <CAMuHMdV15kdRincp9EbVhEUDSp4GzP86BLRFV8X_Zbhq+hwX0g@mail.gmail.com> (raw)
In-Reply-To: <1397742261-15621-11-git-send-email-will.deacon@arm.com>
On Thu, Apr 17, 2014 at 3:44 PM, Will Deacon <will.deacon@arm.com> wrote:
> write{b,w,l}_relaxed are implemented by some architectures in order to
> permit memory-mapped I/O accesses with weaker barrier semantics than the
> non-relaxed variants.
>
> This patch adds dummy macros for the write accessors to m68k, in the
> same vein as the dummy definitions for the relaxed read accessors.
> Additionally, the existing relaxed read accessors are moved into
> asm/io.h, so that they can be used by m68k targets with an MMU.
>
> Cc: Geert Uytterhoeven <geert@linux-m68k.org>
> Signed-off-by: Will Deacon <will.deacon@arm.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2014-04-17 16:07 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-17 13:44 [PATCH 00/18] Cross-architecture definitions of relaxed MMIO accessors Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-17 13:44 ` [PATCH 01/18] asm-generic: io: implement relaxed accessor macros as conditional wrappers Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-17 13:44 ` [PATCH 02/18] microblaze: io: remove dummy relaxed accessor macros Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-22 13:53 ` Michal Simek
2014-04-22 13:53 ` Michal Simek
2014-04-17 13:44 ` [PATCH 03/18] s390: io: remove dummy relaxed accessor macros for reads Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-17 13:44 ` [PATCH 04/18] xtensa: " Will Deacon
2014-04-17 13:44 ` [PATCH 05/18] alpha: io: implement relaxed accessor macros for writes Will Deacon
2014-04-17 13:44 ` [PATCH 06/18] frv: io: implement dummy " Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-17 13:44 ` [PATCH 07/18] cris: " Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-22 13:47 ` Jesper Nilsson
2014-04-22 13:47 ` Jesper Nilsson
2014-04-17 13:44 ` [PATCH 08/18] ia64: " Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-17 13:44 ` [PATCH 09/18] m32r: " Will Deacon
2014-04-17 13:44 ` [PATCH 10/18] m68k: " Will Deacon
2014-04-17 16:07 ` Geert Uytterhoeven [this message]
2014-04-17 13:44 ` [PATCH 11/18] mn10300: " Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-17 13:44 ` [PATCH 12/18] parisc: " Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-17 13:44 ` [PATCH 13/18] powerpc: " Will Deacon
2014-04-17 13:44 ` [PATCH 14/18] sparc: " Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-17 13:44 ` [PATCH 15/18] tile: " Will Deacon
2014-04-17 14:52 ` Chris Metcalf
2014-04-17 13:44 ` [PATCH 16/18] x86: " Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-22 16:08 ` Will Deacon
2014-05-21 1:53 ` Brian Norris
2014-05-21 9:22 ` Will Deacon
2014-04-17 13:44 ` [PATCH 17/18] documentation: memory-barriers: clarify relaxed io accessor semantics Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-17 13:44 ` [PATCH 18/18] asm-generic: io: define relaxed accessor macros unconditionally Will Deacon
2014-04-17 13:44 ` Will Deacon
2014-04-22 14:09 ` Michal Simek
2014-04-22 15:18 ` Will Deacon
2014-04-22 15:18 ` Will Deacon
2014-04-23 7:12 ` Michal Simek
2014-04-23 7:12 ` Michal Simek
2014-04-23 7:23 ` Sam Ravnborg
2014-04-23 7:23 ` Sam Ravnborg
2014-04-23 7:36 ` Michal Simek
2014-04-17 14:00 ` [PATCH 00/18] Cross-architecture definitions of relaxed MMIO accessors Peter Zijlstra
2014-04-17 14:15 ` Will Deacon
2014-04-17 14:15 ` Will Deacon
2014-04-17 21:36 ` Benjamin Herrenschmidt
2014-05-01 11:10 ` Will Deacon
2014-04-17 15:36 ` Sam Ravnborg
2014-04-17 15:47 ` Will Deacon
2014-04-17 19:15 ` Sam Ravnborg
2014-04-22 13:43 ` Will Deacon
2014-04-22 14:30 ` Sam Ravnborg
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