netdev - Re: [Question]About KVM network zero-copy feature!

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20120813071843.GC14081@redhat.com>
Date:	Mon, 13 Aug 2012 10:18:44 +0300
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	"Peter Huang(Peng)" <peter.huangpeng@...wei.com>
Cc:	Robert Vineyard <vineyard@...fmail.com>,
	Stephen Hemminger <shemminger@...tta.com>, kvm@...r.kernel.org,
	netdev@...r.kernel.org, virtualization@...ts.linux-foundation.org,
	avi@...hat.com, xiaohui.xin@...el.com
Subject: Re: [Question]About KVM network zero-copy  feature!

Last patchset version was this:
[PATCH v16 00/17] Provide a zero-copy method on KVM virtio-net

IIRC the main issue was the need to integrate the patchset with
macvtap (as opposed to using a separate device).

On Mon, Aug 13, 2012 at 09:24:54AM +0800, Peter Huang(Peng) wrote:
> Hi, Michael
> 
> IIt will be usefull if we can implement rx zero-copy, could you give
>  me some help if you know some technical details or some
> references on the internet?
> 
> I am wondering may be I can take a deep look on it first then decide
> if I can take it over or not.
> 
> Thanks a lot.
> 
> On 2012/8/12 17:37, Michael S. Tsirkin wrote:
> > On Sat, Aug 11, 2012 at 08:42:44PM -0400, Robert Vineyard wrote:
> >> (adding Xin Xiaohui to the conversation for comment)
> >>
> >> According to the NetworkingTodo page on the KVM wiki, zero-copy RX
> >> for macvtap is in fact on the roadmap, assigned to Xin:
> >>
> >> http://www.linux-kvm.org/page/NetworkingTodo
> > AFAIK Xin left Intel and is not working on it.
> > Contributions are welcome.
> >
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html