linux-kernel - Re: [PATCH net-next-2.6 2/5] lib: cpu_rmap: CPU affinity reverse-mapping

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Message-Id: <20110124.150140.39171549.davem@davemloft.net>
Date:	Mon, 24 Jan 2011 15:01:40 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	tglx@...utronix.de, netdev@...r.kernel.org,
	linux-net-drivers@...arflare.com, therbert@...gle.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next-2.6 2/5] lib: cpu_rmap: CPU affinity
 reverse-mapping

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Wed, 19 Jan 2011 21:03:25 +0000

> When initiating I/O on a multiqueue and multi-IRQ device, we may want
> to select a queue for which the response will be handled on the same
> or a nearby CPU.  This requires a reverse-map of IRQ affinity.  Add
> library functions to support a generic reverse-mapping from CPUs to
> objects with affinity and the specific case where the objects are
> IRQs.
> 
> Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>

Applied.
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