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Re: [Xen-devel] [PATCH net-next] xen-netback: Grant copy the header instead of map and memcpy

To: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
From: Zoltan Kiss <zoltan.kiss@xxxxxxxxxx>
Date: Thu, 27 Mar 2014 15:16:58 +0000
Cc: jonathan.davies@xxxxxxxxxx, wei.liu2@xxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, paul.durrant@xxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx
Delivery-date: Thu, 27 Mar 2014 15:17:40 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On 27/03/14 12:46, Zoltan Kiss wrote:

On 27/03/14 11:35, Ian Campbell wrote:

On Wed, 2014-03-26 at 21:18 +0000, Zoltan Kiss wrote:
You've added a second hypercall to tx_action, probably those can be
combined into one vm exit by using a multicall.

Yes, good idea!

Thinking a bit further, it would need some grant-table.c changes first.I've put it onto my todo list.


Zoli

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References:
- [Xen-devel] [PATCH net-next] xen-netback: Grant copy the header instead of map and memcpy
  - From: Zoltan Kiss
- Re: [Xen-devel] [PATCH net-next] xen-netback: Grant copy the header instead of map and memcpy
  - From: Ian Campbell
- Re: [Xen-devel] [PATCH net-next] xen-netback: Grant copy the header instead of map and memcpy
  - From: Zoltan Kiss

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