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Re: [PATCH] atomic: add *_dec_not_zero

To: Sven Eckelmann <sven@narfation.org>
Subject: Re: [PATCH] atomic: add *_dec_not_zero
From: Chris Metcalf <cmetcalf@tilera.com>
Date: Wed, 4 May 2011 08:09:16 -0400
Cc: <linux-kernel@vger.kernel.org>, David Howells <dhowells@redhat.com>, <x86@kernel.org>, <linux-alpha@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <uclinux-dist-devel@blackfin.uclinux.org>, <linux-cris-kernel@axis.com>, <linux-ia64@vger.kernel.org>, <linux-m32r@ml.linux-m32r.org>, <linux-m68k@lists.linux-m68k.org>, <linux-mips@linux-mips.org>, <linux-am33-list@redhat.com>, <linux-parisc@vger.kernel.org>, <linuxppc-dev@lists.ozlabs.org>, <linux-s390@vger.kernel.org>, <linux-sh@vger.kernel.org>, <sparclinux@vger.kernel.org>, <linux-arch@vger.kernel.org>
In-reply-to: <1304458235-28473-1-git-send-email-sven@narfation.org>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <1304458235-28473-1-git-send-email-sven@narfation.org>
Sender: linux-mips-bounce@linux-mips.org
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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@davemloft.net>
> Signed-off-by: Sven Eckelmann <sven@narfation.org>
> [...]
>  arch/tile/include/asm/atomic.h     |    9 +++++++++
>  arch/tile/include/asm/atomic_32.h  |    1 +

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

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



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