Re: [PATCHv3] atomic: add *_dec_not_zero

[Hirokazu Takata]

From: Sven Eckelmann <sven@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
> Signed-off-by: Sven Eckelmann <sven@xxxxxxxxxxxxx>
> Acked-by: Mike Frysinger <vapier@xxxxxxxxxx>
> Acked-by: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
> Acked-by: David S. Miller <davem@xxxxxxxxxxxxx>
> Acked-by: Ingo Molnar <mingo@xxxxxxx>
> Acked-by: Jesper Nilsson <jesper.nilsson@xxxxxxxx>
> Acked-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
> Acked-by: David Howells <dhowells@xxxxxxxxxx>
> Acked-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>
> Acked-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Acked-by: Will Deacon <will.deacon@xxxxxxx>
> Acked-by: Matt Turner <mattst88@xxxxxxxxx>
> Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> Acked-by: Paul Mundt <lethal@xxxxxxxxxxxx>
> Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
> Cc: Tony Luck <tony.luck@xxxxxxxxx>
> Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
> Cc: linux-ia64@xxxxxxxxxxxxxxx
> Cc: Hirokazu Takata <takata@xxxxxxxxxxxxxx>
> Cc: linux-m32r@xxxxxxxxxxxxxxxxx
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: linux-arch@xxxxxxxxxxxxxxx
> ---
> 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@xxxxxxxxxxxxxx>

Thank you.
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