netdev - Re: gso: Attempt to handle mega-GRO packets

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Message-ID: <20131106080425.GA17556@gondor.apana.org.au>
Date:	Wed, 6 Nov 2013 16:04:25 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Ben Hutchings <bhutchings@...arflare.com>,
	David Miller <davem@...emloft.net>,
	christoph.paasch@...ouvain.be, netdev@...r.kernel.org,
	hkchu@...gle.com, mwdalton@...gle.com
Subject: Re: gso: Attempt to handle mega-GRO packets

On Tue, Nov 05, 2013 at 09:20:22PM -0800, Eric Dumazet wrote:
> On Wed, 2013-11-06 at 12:28 +0800, Herbert Xu wrote:
> > On Tue, Nov 05, 2013 at 08:23:05PM -0800, Eric Dumazet wrote:
> > >
> > > Nope, I already mentioned this :
> > > 
> > > Please take a look at 2613af0ed18a11d5c566a81f9a6510b73180660a
> > > ("virtio_net: migrate mergeable rx buffers to page frag allocators")
> > 
> > This patch should simply be reverted.  You guys steam-rolled over
> > the virtio_net people's concerns that this seriously impacts virt
> > performance.
> > 
> 
> Have you followed netdev traffic lately ?
> 
> virtio_net performance is better than before, and we did no revert,
> thank you.

The last email I saw from Michael Tsirkin he still wasn't happy
that your patch does not degrade virt performance.  Where is the
reply to that?

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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