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From: "Michael S. Tsirkin" <mst@redhat.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>,
	yuanhan.liu@linux.intel.com,  huawei.xie@intel.com, dev@dpdk.org,
	vkaplans@redhat.com
Subject: Re: [dpdk-dev] [PATCH v2] vhost: Add indirect descriptors support to the TX path
Date: Sun, 25 Sep 2016 04:53:59 +0300	[thread overview]
Message-ID: <20160925045259-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20160924185007.19f21a7e@xeon-e3>

On Sat, Sep 24, 2016 at 06:50:07PM -0700, Stephen Hemminger wrote:
> On Sun, 25 Sep 2016 04:02:28 +0300
> "Michael S. Tsirkin" <mst@redhat.com> wrote:
> 
> > I see. It's implied by VERSION_1 in fact.
> > In other words if VERSION_1 is negotiated then bit 27
> > isn't ANY_LAYOUT, it's in fact reserved.
> 
> 
> But what if guest isn't using Version 1? Legacy distro's certainly
> won't have it enabled.

We probably can just expose ANY_LAYOUT to guest if backend
has VERSION_1.

      reply	other threads:[~2016-09-25  1:54 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-23  7:16 Maxime Coquelin
2016-09-23  7:29 ` Yuanhan Liu
2016-09-23  7:33   ` Maxime Coquelin
2016-09-23 18:24 ` Stephen Hemminger
2016-09-23 18:31   ` Michael S. Tsirkin
2016-09-23 20:28     ` Stephen Hemminger
2016-09-25  1:02       ` Michael S. Tsirkin
2016-09-25  1:50         ` Stephen Hemminger
2016-09-25  1:53           ` Michael S. Tsirkin [this message]

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