From mboxrd@z Thu Jan  1 00:00:00 1970
From: Rusty Russell <rusty@rustcorp.com.au>
Subject: Re: [PATCH] Work around dhclient brokenness
Date: Mon, 25 Aug 2008 14:01:17 +1000
Message-ID: <200808251401.18209.rusty@rustcorp.com.au>
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Cc: Herbert Xu <herbert@gondor.apana.org.au>,
	Avi Kivity <avi@qumranet.com>,
	Anthony Liguori <aliguori@us.ibm.com>, kvm@vger.kernel.org,
	Mark McLoughlin <markmc@redhat.com>
To: Chris Wedgwood <cw@f00f.org>
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On Wednesday 20 August 2008 01:05:55 Chris Wedgwood wrote:
> On Tue, Aug 19, 2008 at 07:10:44PM +1000, Rusty Russell wrote:
> > We need both.  CSUM2 is the new virtio-level feature.
>
> Perhaps that's what I'm misisng.  How is this different to CSUM?

Because current guests which say they can handle CSUM can't *really* handle 
it.  That's the entire point.  We need a new one, so that existing guests 
don't ack it (because they don't understand it), and new guests can ack it 
later.

Hope that clarifies,
Rusty.