linux-kernel - Re: [RFC PATCH 00/17] virtual-bus

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Date:	Thu, 2 Apr 2009 11:15:04 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	ghaskins@...ell.com, linux-kernel@...r.kernel.org, agraf@...e.de,
	pmullaney@...ell.com, pmorreale@...ell.com, anthony@...emonkey.ws,
	netdev@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [RFC PATCH 00/17] virtual-bus

Rusty Russell <rusty@...tcorp.com.au> wrote:
> 
> As you point out, 350-450 is possible, which is still bad, and it's at least
> partially caused by the exit to userspace and two system calls.  If virtio_net
> had a backend in the kernel, we'd be able to compare numbers properly.

FWIW I don't really care whether we go with this or a kernel
virtio_net backend.  Either way should be good.  However the
status quo where we're stuck with a user-space backend really
sucks!

Thanks,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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