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Date: Wed, 9 Sep 2015 10:29:51 +0100
From: Stefan Hajnoczi <stefanha@gmail.com>
Message-ID: <20150909092951.GH9777@stefanha-thinkpad.redhat.com>
References: <1441625636-23773-1-git-send-email-pmorel@linux.vnet.ibm.com>
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In-Reply-To: <1441625636-23773-1-git-send-email-pmorel@linux.vnet.ibm.com>
Subject: Re: [Qemu-devel] [PATCH v5] virtio dataplane: adapt dataplane for
 virtio Version 1
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To: Pierre Morel <pmorel@linux.vnet.ibm.com>
Cc: cornelia.huck@de.ibm.com, gkurz@linux.vnet.ibm.com, qemu-devel@nongnu.org, stefanha@redhat.com, mst@redhat.com

On Mon, Sep 07, 2015 at 01:33:56PM +0200, Pierre Morel wrote:
> Let dataplane allocate different region for the desc/avail/used
> ring regions.
> Take VIRTIO_RING_F_EVENT_IDX into account to increase the used/avail
> rings accordingly.
> 
> Signed-off-by: Pierre Morel <pmorel@linux.vnet.ibm.com>
> (changed __virtio16 into uint16_t,
>  map descriptor table and available ring read-only)
> Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
> ---
> 
> Changes from V4:
> - added comments for VIRTIO_RING_F_EVENT_IDX and mapping
> - use uint16_t as in ring definitions instead of __virtio16
> - map descriptor table and available ring read-only
> 
> Changes from V3:
> - added changelog
> 
> Changes from V2:
> - incorporate the code directly in vring_setup().
> - added room for the event indexes used with VIRTIO_RING_F_EVENT_IDX
> 
> Changes from v1:
> - use a macro to gain LOCs inside of vring_setup()
> 
>  hw/virtio/dataplane/vring.c         | 66 +++++++++++++++++++++++++++++--------
>  include/hw/virtio/dataplane/vring.h |  4 ++-
>  2 files changed, 55 insertions(+), 15 deletions(-)

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan