linux-kernel - Re: [PATCHv3] atomic: add *_dec_not

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Message-id: <swffwnsdbyq.wl%hirokazu.takata.wj@renesas.com>
Date:	Thu, 02 Jun 2011 14:44:13 +0900
From:	Hirokazu Takata <takata@...ux-m32r.org>
To:	Sven Eckelmann <sven@...fation.org>
Cc:	linux-kernel@...r.kernel.org, Tony Luck <tony.luck@...el.com>,
	Fenghua Yu <fenghua.yu@...el.com>, linux-ia64@...r.kernel.org,
	Hirokazu Takata <takata@...ux-m32r.org>,
	linux-m32r@...linux-m32r.org, Arnd Bergmann <arnd@...db.de>,
	linux-arch@...r.kernel.org
Subject: Re: [PATCHv3] atomic: add *_dec_not_zero

From: Sven Eckelmann <sven@...fation.org>
Subject: [PATCHv3] atomic: add *_dec_not_zero
Date: Sun, 29 May 2011 09:13:20 +0200
> Introduce an *_dec_not_zero operation.  Make this a special case of
> *_add_unless because batman-adv uses atomic_dec_not_zero in different
> places like re-broadcast queue or aggregation queue management. There
> are other non-final patches which may also want to use this macro.
> 
> Reported-by: David S. Miller <davem@...emloft.net>
> Signed-off-by: Sven Eckelmann <sven@...fation.org>
> Acked-by: Mike Frysinger <vapier@...too.org>
> Acked-by: James Bottomley <James.Bottomley@...senPartnership.com>
> Acked-by: David S. Miller <davem@...emloft.net>
> Acked-by: Ingo Molnar <mingo@...e.hu>
> Acked-by: Jesper Nilsson <jesper.nilsson@...s.com>
> Acked-by: Ralf Baechle <ralf@...ux-mips.org>
> Acked-by: David Howells <dhowells@...hat.com>
> Acked-by: Chris Metcalf <cmetcalf@...era.com>
> Acked-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> Acked-by: Will Deacon <will.deacon@....com>
> Acked-by: Matt Turner <mattst88@...il.com>
> Acked-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Acked-by: Paul Mundt <lethal@...ux-sh.org>
> Acked-by: Heiko Carstens <heiko.carstens@...ibm.com>
> Cc: Tony Luck <tony.luck@...el.com>
> Cc: Fenghua Yu <fenghua.yu@...el.com>
> Cc: linux-ia64@...r.kernel.org
> Cc: Hirokazu Takata <takata@...ux-m32r.org>
> Cc: linux-m32r@...linux-m32r.org
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: linux-arch@...r.kernel.org
> ---
> Sry, had to rebase the patch because some lines bellow my patch in
> arch/tile/include/asm/atomic.h changed.
> 
> I am still waiting for (n)acks for ia64, m32r and generic... and someone
> who is willing to apply it in his tree (maybe Arnd Bermann?).
> 
>  arch/alpha/include/asm/atomic.h    |    2 ++
>  arch/alpha/include/asm/local.h     |    1 +
>  arch/arm/include/asm/atomic.h      |    2 ++
>  arch/avr32/include/asm/atomic.h    |    1 +
>  arch/blackfin/include/asm/atomic.h |    1 +
>  arch/cris/include/asm/atomic.h     |    1 +
>  arch/frv/include/asm/atomic.h      |    1 +
>  arch/h8300/include/asm/atomic.h    |    1 +
>  arch/ia64/include/asm/atomic.h     |    2 ++
>  arch/m32r/include/asm/atomic.h     |    1 +
>  arch/m32r/include/asm/local.h      |    1 +
>  arch/m68k/include/asm/atomic.h     |    1 +
>  arch/mips/include/asm/atomic.h     |    2 ++
>  arch/mips/include/asm/local.h      |    1 +
>  arch/mn10300/include/asm/atomic.h  |    1 +
>  arch/parisc/include/asm/atomic.h   |    2 ++
>  arch/powerpc/include/asm/atomic.h  |    2 ++
>  arch/powerpc/include/asm/local.h   |    1 +
>  arch/s390/include/asm/atomic.h     |    2 ++
>  arch/sh/include/asm/atomic.h       |    1 +
>  arch/sparc/include/asm/atomic_32.h |    1 +
>  arch/sparc/include/asm/atomic_64.h |    2 ++
>  arch/tile/include/asm/atomic.h     |    9 +++++++++
>  arch/tile/include/asm/atomic_32.h  |    1 +
>  arch/x86/include/asm/atomic.h      |    1 +
>  arch/x86/include/asm/atomic64_64.h |    1 +
>  arch/xtensa/include/asm/atomic.h   |    1 +
>  include/asm-generic/atomic-long.h  |    2 ++
>  include/asm-generic/atomic.h       |    1 +
>  include/asm-generic/atomic64.h     |    1 +
>  include/asm-generic/local.h        |    1 +
>  include/asm-generic/local64.h      |    2 ++
>  32 files changed, 50 insertions(+), 0 deletions(-)

Acked-by: Hirokazu Takata <takata@...ux-m32r.org>

Thank you.
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