linux-kernel - Re: [RFC PATCH 2/2] macvtap: TX zero copy between guest and host kernel

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Date:	Wed, 15 Sep 2010 10:00:04 -0700
From:	Shirley Ma <mashirle@...ibm.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Arnd Bergmann <arnd@...db.de>, Avi Kivity <avi@...hat.com>,
	"Xin, Xiaohui" <xiaohui.xin@...el.com>,
	David Miller <davem@...emloft.net>, netdev@...r.kernel.org,
	kvm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 2/2] macvtap: TX zero copy between guest and host
 kernel

On Wed, 2010-09-15 at 17:39 +0200, Michael S. Tsirkin wrote:
> In fact, I rechecked: both bridge and loopback have NETIF_F_HIGHDMA
> set.
> So maybe we should check NETIF_F_NETNS_LOCAL ...
> 
> macvtap in bridged mode is interesting as well. 

I found that too, just wondered which flag to use is better. :)

Thanks
Shirley

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