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Re: [Qemu-devel] [PATCH 03/10] tests/vhost-user-bridge: workaround stale

From: Marc-André Lureau
Subject: Re: [Qemu-devel] [PATCH 03/10] tests/vhost-user-bridge: workaround stale vring base
Date: Thu, 9 Jun 2016 12:25:54 +0200


On Thu, Jun 9, 2016 at 12:07 PM, Victor Kaplansky <address@hidden> wrote:
> What if set_vring_base is called after set_vring_addr?
> Maybe it is worth to add the fixup to the set_vring_base as well?

It would need to handle conditions like set_vring_base() being called
while set_vring_addr() is not yet, and thus vq->used isn't set.

Imho it's not necessary, since order is currently fixed in
vhost_virtqueue_start(), but we could specify this in the protocol to
avoid too much possible states.

Marc-André Lureau

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