Thank you very much.
Best regards, Ilya Maximets.
On 27.01.2016 08:05, Daniele Di Proietto wrote:
> Thanks for all your work!
>
> I applied this to master and branch-2.5
>
> On 25/01/2016 22:12, "Ilya Maximets" <i.maxim...@samsung.com> wrote:
>
>> Current rx queue management model is buggy and will not work properly
>> without additional barriers and other syncronization between PMD
>> threads and main thread.
>>
>> Known BUGS of current model:
>> * While reloading, two PMD threads, one already reloaded and
>> one not yet reloaded, can poll same queue of the same port.
>> This behavior may lead to dpdk driver failure, because they
>> are not thread-safe.
>> * Same bug as fixed in commit e4e74c3a2b
>> ("dpif-netdev: Purge all ukeys when reconfigure pmd.") but
>> reproduced while only reconfiguring of pmd threads without
>> restarting, because addition may change the sequence of
>> other ports, which is important in time of reconfiguration.
>>
>> Introducing the new model, where distribution of queues made by main
>> thread with minimal synchronizations and without data races between
>> pmd threads. Also, this model should work faster, because only
>> needed threads will be interrupted for reconfiguraition and total
>> computational complexity of reconfiguration is less.
>>
>> Signed-off-by: Ilya Maximets <i.maxim...@samsung.com>
>> ---
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