[PATCH] atomic: add *_dec_not_zero

[Chris Metcalf]

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 at davemloft.net>
> Signed-off-by: Sven Eckelmann <sven at narfation.org>
> [...]
>  arch/tile/include/asm/atomic.h     |    9 +++++++++
>  arch/tile/include/asm/atomic_32.h  |    1 +

Acked-by: Chris Metcalf <cmetcalf at tilera.com>

-- 
Chris Metcalf, Tilera Corp.
http://www.tilera.com