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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Victor Kaplansky <VICTORK@il.ibm.com>,
	Oleg Nesterov <oleg@redhat.com>,
	Anton Blanchard <anton@samba.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Frederic Weisbecker <fweisbec@gmail.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux PPC dev <linuxppc-dev@ozlabs.org>,
	Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>,
	Michael Ellerman <michael@ellerman.id.au>,
	Michael Neuling <mikey@neuling.org>,
	Russell King <linux@arm.linux.org.uk>,
	Martin Schwidefsky <schwidefsky@de.ibm.com>,
	Heiko Carstens <heiko.carstens@de.ibm.com>,
	Tony Luck <tony.luck@intel.com>
Subject: Re: [RFC] arch: Introduce new TSO memory barrier smp_tmb()
Date: Wed, 6 Nov 2013 13:51:10 +0100	[thread overview]
Message-ID: <CAMuHMdXZjQJvT7R4ODbDNBgAVwPUBPjB6UoR66_sNuFx7opUDw@mail.gmail.com> (raw)
In-Reply-To: <20131106123946.GJ10651@twins.programming.kicks-ass.net>

On Wed, Nov 6, 2013 at 1:39 PM, Peter Zijlstra <peterz@infradead.org> wrote:
>  Documentation/memory-barriers.txt     |  157 +++++++++++++++++-----------------
>  arch/alpha/include/asm/barrier.h      |   15 +++
>  arch/arc/include/asm/barrier.h        |   15 +++
>  arch/arm/include/asm/barrier.h        |   15 +++
>  arch/arm64/include/asm/barrier.h      |   50 ++++++++++
>  arch/avr32/include/asm/barrier.h      |   14 +++
>  arch/blackfin/include/asm/barrier.h   |   15 +++
>  arch/cris/include/asm/barrier.h       |   15 +++
>  arch/frv/include/asm/barrier.h        |   15 +++
>  arch/h8300/include/asm/barrier.h      |   15 +++
>  arch/hexagon/include/asm/barrier.h    |   15 +++
>  arch/ia64/include/asm/barrier.h       |   49 ++++++++++
>  arch/m32r/include/asm/barrier.h       |   15 +++
>  arch/m68k/include/asm/barrier.h       |   15 +++
>  arch/metag/include/asm/barrier.h      |   15 +++
>  arch/microblaze/include/asm/barrier.h |   15 +++
>  arch/mips/include/asm/barrier.h       |   15 +++
>  arch/mn10300/include/asm/barrier.h    |   15 +++
>  arch/parisc/include/asm/barrier.h     |   15 +++
>  arch/powerpc/include/asm/barrier.h    |   21 ++++
>  arch/s390/include/asm/barrier.h       |   15 +++
>  arch/score/include/asm/barrier.h      |   15 +++
>  arch/sh/include/asm/barrier.h         |   15 +++
>  arch/sparc/include/asm/barrier_32.h   |   15 +++
>  arch/sparc/include/asm/barrier_64.h   |   15 +++
>  arch/tile/include/asm/barrier.h       |   15 +++
>  arch/unicore32/include/asm/barrier.h  |   15 +++
>  arch/x86/include/asm/barrier.h        |   15 +++
>  arch/xtensa/include/asm/barrier.h     |   15 +++
>  include/linux/compiler.h              |    9 +
>  30 files changed, 581 insertions(+), 79 deletions(-)

This is screaming for a default implementation in asm-generic.

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

  reply	other threads:[~2013-11-06 12:51 UTC|newest]

Thread overview: 117+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-10-22 23:54 perf events ring buffer memory barrier on powerpc Michael Neuling
2013-10-23  7:39 ` Victor Kaplansky
2013-10-23 14:19 ` Frederic Weisbecker
2013-10-23 14:25   ` Frederic Weisbecker
2013-10-25 17:37   ` Peter Zijlstra
2013-10-25 20:31     ` Michael Neuling
2013-10-27  9:00     ` Victor Kaplansky
2013-10-28  9:22       ` Peter Zijlstra
2013-10-28 10:02     ` Frederic Weisbecker
2013-10-28 12:38       ` Victor Kaplansky
2013-10-28 13:26         ` Peter Zijlstra
2013-10-28 16:34           ` Paul E. McKenney
2013-10-28 20:17             ` Oleg Nesterov
2013-10-28 20:58               ` Victor Kaplansky
2013-10-29 10:21                 ` Peter Zijlstra
2013-10-29 10:30                   ` Peter Zijlstra
2013-10-29 10:35                     ` Peter Zijlstra
2013-10-29 20:15                       ` Oleg Nesterov
2013-10-29 19:27                     ` Vince Weaver
2013-10-30 10:42                       ` Peter Zijlstra
2013-10-30 11:48                         ` James Hogan
2013-10-30 12:48                           ` Peter Zijlstra
2013-11-06 13:19                         ` [tip:perf/core] tools/perf: Add required memory barriers tip-bot for Peter Zijlstra
2013-11-06 13:50                           ` Vince Weaver
2013-11-06 14:00                             ` Peter Zijlstra
2013-11-06 14:28                               ` Peter Zijlstra
2013-11-06 14:55                                 ` Vince Weaver
2013-11-06 15:10                                   ` Peter Zijlstra
2013-11-06 15:23                                     ` Peter Zijlstra
2013-11-06 14:44                               ` Peter Zijlstra
2013-11-06 16:07                                 ` Peter Zijlstra
2013-11-06 17:31                                   ` Vince Weaver
2013-11-06 18:24                                     ` Peter Zijlstra
2013-11-07  8:21                                       ` Ingo Molnar
2013-11-07 14:27                                         ` Vince Weaver
2013-11-07 15:55                                           ` Ingo Molnar
2013-11-11 16:24                                         ` Peter Zijlstra
2013-11-11 21:10                                           ` Ingo Molnar
2013-10-29 21:23                     ` perf events ring buffer memory barrier on powerpc Michael Neuling
2013-10-30  9:27                 ` Paul E. McKenney
2013-10-30 11:25                   ` Peter Zijlstra
2013-10-30 14:52                     ` Victor Kaplansky
2013-10-30 15:39                       ` Peter Zijlstra
2013-10-30 17:14                         ` Victor Kaplansky
2013-10-30 17:44                           ` Peter Zijlstra
2013-10-31  6:16                       ` Paul E. McKenney
2013-11-01 13:12                         ` Victor Kaplansky
2013-11-02 16:36                           ` Paul E. McKenney
2013-11-02 17:26                             ` Paul E. McKenney
2013-10-31  6:40                     ` Paul E. McKenney
2013-11-01 14:25                       ` Victor Kaplansky
2013-11-02 17:28                         ` Paul E. McKenney
2013-11-01 14:56                       ` Peter Zijlstra
2013-11-02 17:32                         ` Paul E. McKenney
2013-11-03 14:40                           ` Paul E. McKenney
2013-11-03 15:17                             ` [RFC] arch: Introduce new TSO memory barrier smp_tmb() Peter Zijlstra
2013-11-03 18:08                               ` Linus Torvalds
2013-11-03 20:01                                 ` Peter Zijlstra
2013-11-03 22:42                                   ` Paul E. McKenney
2013-11-03 23:34                                     ` Linus Torvalds
2013-11-04 10:51                                       ` Paul E. McKenney
2013-11-04 11:22                                         ` Peter Zijlstra
2013-11-04 16:27                                           ` Paul E. McKenney
2013-11-04 16:48                                             ` Peter Zijlstra
2013-11-04 19:11                                             ` Peter Zijlstra
2013-11-04 19:18                                               ` Peter Zijlstra
2013-11-04 20:54                                                 ` Paul E. McKenney
2013-11-04 20:53                                               ` Paul E. McKenney
2013-11-05 14:05                                                 ` Will Deacon
2013-11-05 14:49                                                   ` Paul E. McKenney
2013-11-05 18:49                                                   ` Peter Zijlstra
2013-11-06 11:00                                                     ` Will Deacon
2013-11-06 12:39                                                 ` Peter Zijlstra
2013-11-06 12:51                                                   ` Geert Uytterhoeven [this message]
2013-11-06 13:57                                                     ` Peter Zijlstra
2013-11-06 18:48                                                       ` Paul E. McKenney
2013-11-06 19:42                                                         ` Peter Zijlstra
2013-11-07 11:17                                                       ` Will Deacon
2013-11-07 13:36                                                         ` Peter Zijlstra
2013-11-07 23:50                                           ` Mathieu Desnoyers
2013-11-04 11:05                                       ` Will Deacon
2013-11-04 16:34                                         ` Paul E. McKenney
2013-11-03 20:59                               ` Benjamin Herrenschmidt
2013-11-03 22:43                                 ` Paul E. McKenney
2013-11-03 17:07                             ` perf events ring buffer memory barrier on powerpc Will Deacon
2013-11-03 22:47                               ` Paul E. McKenney
2013-11-04  9:57                                 ` Will Deacon
2013-11-04 10:52                                   ` Paul E. McKenney
2013-11-01 16:11                       ` Peter Zijlstra
2013-11-02 17:46                         ` Paul E. McKenney
2013-11-01 16:18                       ` Peter Zijlstra
2013-11-02 17:49                         ` Paul E. McKenney
2013-10-30 13:28                   ` Victor Kaplansky
2013-10-30 15:51                     ` Peter Zijlstra
2013-10-30 18:29                       ` Peter Zijlstra
2013-10-30 19:11                         ` Peter Zijlstra
2013-10-31  4:33                       ` Paul E. McKenney
2013-10-31  4:32                     ` Paul E. McKenney
2013-10-31  9:04                       ` Peter Zijlstra
2013-10-31 15:07                         ` Paul E. McKenney
2013-10-31 15:19                           ` Peter Zijlstra
2013-11-01  9:28                             ` Paul E. McKenney
2013-11-01 10:30                               ` Peter Zijlstra
2013-11-02 15:20                                 ` Paul E. McKenney
2013-11-04  9:07                                   ` Peter Zijlstra
2013-11-04 10:00                                     ` Paul E. McKenney
2013-10-31  9:59                       ` Victor Kaplansky
2013-10-31 12:28                         ` David Laight
2013-10-31 12:55                           ` Victor Kaplansky
2013-10-31 15:25                         ` Paul E. McKenney
2013-11-01 16:06                           ` Victor Kaplansky
2013-11-01 16:25                             ` David Laight
2013-11-01 16:30                               ` Victor Kaplansky
2013-11-03 20:57                                 ` Benjamin Herrenschmidt
2013-11-02 15:46                             ` Paul E. McKenney
2013-10-28 19:09           ` Oleg Nesterov
2013-10-29 14:06     ` [tip:perf/urgent] perf: Fix perf ring buffer memory ordering tip-bot for Peter Zijlstra

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