Re: [PATCH V8 net-next 0/6] xen-net{back, front}: Multiple transmit and receive queues

-----Original Message-----
From: Sander Eikelenboom [mailto:linux@eikelenboom.it]
Sent: 14 May 2014 19:37
To: Andrew Bennieston
Cc: Wei Liu; xen-devel@lists.xenproject.org; davem@davemloft.net; Ian
Campbell; netdev@vger.kernel.org; Paul Durrant; David Vrabel; Zoltan Kiss
Subject: Re: [Xen-devel] [PATCH V8 net-next 0/6] xen-net{back, front}:
Multiple transmit and receive queues


Wednesday, May 14, 2014, 6:18:31 PM, you wrote:

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On 14/05/14 15:13, Wei Liu wrote:

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On Wed, May 14, 2014 at 04:09:23PM +0200, Sander Eikelenboom wrote:

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Wednesday, May 14, 2014, 3:52:24 PM, you wrote:

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This patch series implements multiple transmit and receive queues (i.e.
multiple shared rings) for the xen virtual network interfaces.

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The series is split up as follows:
  - Patch 1 brings the 'grant_copy_op' array back into struct xenvif, in
    preparation for multi-queue support. See the patch itself for more

details.

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- Patches 2 and 4 factor out the queue-specific data for netback and
   netfront respectively, and modify the rest of the code to use these
   as appropriate.
- Patches 3 and 5 introduce new XenStore keys to negotiate and use
   multiple shared rings and event channels, and code to connect these
   as appropriate.
- Patch 6 documents the XenStore keys required for the new feature
   in include/xen/interface/io/netif.h

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All other transmit and receive processing remains unchanged, i.e. there
is a kthread per queue and a NAPI context per queue.

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The performance of these patches has been analysed in detail, with
results available at:

<snip>

Would it be possible to also put these somewhere in a tree (or branch of

the

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xen-tree), so it is more easy to pull and test ?

I cannot speak for Andrew. FWIW you can save this thread and use 'git
am' to apply them to 'net-next'.

Wei.

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I don't currently have a public-facing git repo for this. If you'd
prefer I can send you the patches directly in a tarball, which you may
be able to apply more easily than grabbing them from email threads?

Got the patches from the thread .. but as i expected they interfere with
Zoltan's v3 fix for 3.15.

I realize there will be conflict when Zoli's patch (for net) and these patches (for net-next) come together, but I don't see these in the patchworks queue at all. Did they get lost somewhere?

  Paul