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Re: [Qemu-devel] [PATCH 2/2] tap: vhost busy polling support
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From: |
Eric Blake |
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Subject: |
Re: [Qemu-devel] [PATCH 2/2] tap: vhost busy polling support |
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Date: |
Thu, 24 Mar 2016 14:34:13 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 |
On 03/20/2016 11:25 PM, Jason Wang wrote:
> This patch add the capability of basic vhost net busy polling which is
> supported by recent kernel. User could configure the maximum number of
> us that could be spent on busy polling through a new property of tap
> "vhost_poll_us".
>
> Signed-off-by: Jason Wang <address@hidden>
> ---
> +++ b/qapi-schema.json
> @@ -2532,7 +2532,8 @@
> '*vhostfd': 'str',
> '*vhostfds': 'str',
> '*vhostforce': 'bool',
> - '*queues': 'uint32'} }
> + '*queues': 'uint32',
> + '*vhost_poll_us': 'uint32'} }
Missing documentation.
New interfaces should prefer '-' over '_'; but this is an existing
interface where we already have 'vnet_hdr', so intra-command consistency
makes your naming okay.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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