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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Jesse Gross <jesse@nicira.com>
Cc: Thomas Graf <tgraf@suug.ch>, netdev <netdev@vger.kernel.org>,
	"dev@openvswitch.org" <dev@openvswitch.org>
Subject: Re: [PATCH net-next 2/2] openvswitch: Use zerocopy if applicable when performing the upcall
Date: Fri, 24 May 2013 17:32:43 -0700	[thread overview]
Message-ID: <1369441963.3301.459.camel@edumazet-glaptop> (raw)
In-Reply-To: <CAEP_g=_SCmqik=vOQeNF_z7VskG15rovBOLMFx6wPKru0CBDQQ@mail.gmail.com>

On Fri, 2013-05-24 at 17:08 -0700, Jesse Gross wrote:

> What's the alternative?

I guess Thomas was working on this ;)

We addressed all this on nfnetlink lately.

Presumably GSO stuff is a non issue for vSwitch upcalls.

But UDP messages can be big, and their checksum might be already
validated by the NIC.

  reply	other threads:[~2013-05-25  0:32 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-24 14:52 [PATCH net-next 0/2] Open vSwitch zerocopy upcall Thomas Graf
2013-05-24 14:52 ` [PATCH net-next 1/2] net: Export skb_zerocopy() to zerocopy from one skb to another Thomas Graf
2013-05-24 15:31   ` Eric Dumazet
2013-05-24 16:01     ` Thomas Graf
2013-05-24 14:52 ` [PATCH net-next 2/2] openvswitch: Use zerocopy if applicable when performing the upcall Thomas Graf
2013-05-24 17:24   ` Jesse Gross
2013-05-24 18:58     ` Eric Dumazet
2013-05-24 21:23       ` Jesse Gross
2013-05-24 21:57         ` Eric Dumazet
2013-05-24 22:18           ` Jesse Gross
2013-05-24 22:34             ` Eric Dumazet
2013-05-25  0:08               ` Jesse Gross
2013-05-25  0:32                 ` Eric Dumazet [this message]
2013-05-25  7:02             ` Thomas Graf
2013-05-25 14:39               ` Eric Dumazet
2013-05-27  1:28                 ` Jesse Gross
2013-06-07 12:21                   ` Thomas Graf
2013-06-10 20:34                     ` Jesse Gross
2013-06-10 20:43                       ` David Miller
2013-06-10 20:55                         ` Jesse Gross

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