From mboxrd@z Thu Jan  1 00:00:00 1970
From: Shirley Ma <mashirle@us.ibm.com>
Subject: Re: [PATCH V5 2/6 net-next] netdevice.h: Add zero-copy flag in
 netdevice
Date: Thu, 26 May 2011 12:11:17 -0700
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Cc: =?UTF-8?Q?Micha=C5=82_Miros=C5=82aw?= <mirqus@gmail.com>,
	Ben Hutchings <bhutchings@solarflare.com>,
	David Miller <davem@davemloft.net>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Avi Kivity <avi@redhat.com>, Arnd Bergmann <arnd@arndb.de>,
	netdev@vger.kernel.org, kvm@vger.kernel.org,
	linux-kernel@vger.kernel.org
To: "Michael S. Tsirkin" <mst@redhat.com>
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On Thu, 2011-05-26 at 11:49 +0300, Michael S. Tsirkin wrote:
> > 
> > > - SG support
> > > - HIGHDMA support (on arches where this makes sense)
> > 
> > This can be checked by device flags.
> 
> OK, but pls note that SG can get turned off dynamically.

Tested the patch w/i SG dynmically on/off and tcpdump suspended.