[dpdk-dev] Is vhost vring_avail size tunable?

[Tim Deng]

Thank you Changchun!

Tim

在 2015-06-08 09:56:43，"Ouyang, Changchun" <changchun.ouyang at intel.com> 写道：
>
>> -----Original Message-----
>> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Tim Deng
>> Sent: Sunday, June 7, 2015 4:02 PM
>> To: dev at dpdk.org
>> Subject: [dpdk-dev] Is vhost vring_avail size tunable?
>> 
>> 
>> Hi,
>> 
>> Under heavy work load, I found there were some packet lost caused by
>> "Failed to get enough desc from vring...", is there any way to get the vring
>> size larger?
>> 
>
>Qemu has hard code to set the vring size as 256, you need change the value to a bigger one if you want to enlarge it.
>
>Thanks
>Changchun
>