From: Stefan Hajnoczi <stefanha@redhat.com>
To: "Jorgen S. Hansen" <jhansen@vmware.com>
Cc: "cavery@redhat.com" <cavery@redhat.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: AF_VSOCK loopback
Date: Mon, 14 Nov 2016 19:14:46 +0000 [thread overview]
Message-ID: <20161114191446.GH1352@stefanha-x1.localdomain> (raw)
In-Reply-To: <BY2PR0501MB20561F98987156779668ECB1DABB0@BY2PR0501MB2056.namprd05.prod.outlook.com>
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On Fri, Nov 11, 2016 at 02:14:44PM +0000, Jorgen S. Hansen wrote:
> Hi Stefan,
>
> All datagram communication in VMCI based AF_VSOCK is going through the host - also for loopback communication. The only difference wrt loopback is that the VMCI queue pairs implementing the shared queues for the stream protocols aren't registered with the hypervisor - they are created specifying the VMCI_QPFLAG_LOCAL flag, and exist only as local guest memory.
>
> So in the current form, there isn't much loopback code in the vmci AF_VSOCK implementation, so it doesn't seem like there would be much to share either.
Thanks for clarifying. I'm playing with a virtio-vsock implementation
of loopback and expect send patches later this week.
Stefan
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prev parent reply other threads:[~2016-11-14 19:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-10 14:43 AF_VSOCK loopback Stefan Hajnoczi
2016-11-10 16:17 ` Cathy Avery
2016-11-11 14:14 ` Jorgen S. Hansen
2016-11-14 19:14 ` Stefan Hajnoczi [this message]
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