netdev - Re: [PATCH 10/33] sfc: Add option to use a separate channel for TX completions

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Message-Id: <20081212.213636.82919395.davem@davemloft.net>
Date:	Fri, 12 Dec 2008 21:36:36 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: Re: [PATCH 10/33] sfc: Add option to use a separate channel for TX
 completions

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Fri, 12 Dec 2008 12:52:16 +0000

> From: Neil Turton <nturton@...arflare.com>
> 
> In a bidirectional forwarding test, we find that the best performance
> is achieved by sending the TX completion interrupts from one NIC to a
> CPU which shares an L2 cache with RX completion interrupts from the
> other NIC.  To facilitate this, add an option (through a module
> parameter) to create separate channels for RX and TX completion with
> separate IRQs when MSI-X is available.
> 
> Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>

Applied.
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