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From: Vlad Zolotarov <vladz@cloudius-systems.com>
To: rusty@rustcorp.com.au, kvm@vger.kernel.org
Subject: virtio specification: OOO completion of the xmit buffers in the networking device
Date: Mon, 02 Jun 2014 16:33:33 +0300	[thread overview]
Message-ID: <538C7D2D.8080508@cloudius-systems.com> (raw)

Rusty, hi!
I'd like to ask for a small clarification about the virtio spec.
The virtio specification is put the way that it allows the out-of-order 
completions in general. Although it states that it's mostly relevant to 
the virtio-blk it doesn't explicitly bans it for virtio networking 
devices (for generality?).

(AFAICS the current virtio HV implementations make sure there is no OOO 
Tx buffers completions).

I wonder if this feature (OOO Tx buffers completions) seems practical to 
u and if not can I hope that it could be clearly stated in the future 
virtio specification releases that it's forbidden?

thanks in advance,
vlad


             reply	other threads:[~2014-06-02 13:33 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-02 13:33 Vlad Zolotarov [this message]
2014-06-04  3:52 ` virtio specification: OOO completion of the xmit buffers in the networking device Rusty Russell
2014-06-04 18:54   ` Michael S. Tsirkin

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