Re: [PATCH] atomic: add *_dec_not_zero
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- To: Sven Eckelmann <sven@xxxxxxxxxxxxx>
- Subject: Re: [PATCH] atomic: add *_dec_not_zero
- From: Chris Metcalf <cmetcalf@xxxxxxxxxx>
- Date: Wed, 4 May 2011 08:09:16 -0400
- Cc: <linux-kernel@xxxxxxxxxxxxxxx>, David Howells <dhowells@xxxxxxxxxx>, <x86@xxxxxxxxxx>, <linux-alpha@xxxxxxxxxxxxxxx>, <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, <uclinux-dist-devel@xxxxxxxxxxxxxxxxxxxx>, <linux-cris-kernel@xxxxxxxx>, <linux-ia64@xxxxxxxxxxxxxxx>, <linux-m32r@xxxxxxxxxxxxxxxxx>, <linux-m68k@xxxxxxxxxxxxxxx>, <linux-mips@xxxxxxxxxxxxxx>, <linux-am33-list@xxxxxxxxxx>, <linux-parisc@xxxxxxxxxxxxxxx>, <linuxppc-dev@xxxxxxxxxxxxxxxx>, <linux-s390@xxxxxxxxxxxxxxx>, <linux-sh@xxxxxxxxxxxxxxx>, <sparclinux@xxxxxxxxxxxxxxx>, <linux-arch@xxxxxxxxxxxxxxx>
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On 5/3/2011 5:30 PM, Sven Eckelmann wrote:
> 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>
> [...]
> arch/tile/include/asm/atomic.h | 9 +++++++++
> arch/tile/include/asm/atomic_32.h | 1 +
Acked-by: Chris Metcalf <cmetcalf@xxxxxxxxxx>
--
Chris Metcalf, Tilera Corp.
http://www.tilera.com
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