linux-kernel - Re: [RFC v2: Patch 1/3] net: hand off skb list to other cpu to submit to upper layer

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Message-Id: <20090313.151913.21135937.davem@davemloft.net>
Date:	Fri, 13 Mar 2009 15:19:13 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	therbert@...gle.com
Cc:	yanmin_zhang@...ux.intel.com, bhutchings@...arflare.com,
	andi@...stfloor.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, herbert@...dor.apana.org.au,
	jesse.brandeburg@...el.com, shemminger@...tta.com
Subject: Re: [RFC v2: Patch 1/3] net: hand off skb list to other cpu to
 submit to upper layer

From: Tom Herbert <therbert@...gle.com>
Date: Fri, 13 Mar 2009 14:59:55 -0700

> I appreciate this philosophy, but unfortunately I don't have the
> luxury of working with a NIC that solves these problems.  The reality
> may be that we're trying to squeeze performance out of crappy hardware
> to scale on multi-core.  Left alone we couldn't get the stack to
> scale, but with these "destable hacks" we've gotten 3X or so
                         ^^^^^^^^

Spelling.

> improvement in packets per second across both our dumb 1G and 10G
> NICs

Do these NICs at least support multiqueue?
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