On 3/15/2016 7:14 AM, Thomas Monjalon wrote: > 2016-01-05 07:16, Xie, Huawei: >> On 1/5/2016 2:42 PM, Xie, Huawei wrote: >>> This patch removes the internal lockless enqueue implmentation. >>> DPDK doesn't support receiving/transmitting packets from/to the same >>> queue. Vhost PMD wraps vhost device as normal DPDK port. DPDK >>> applications normally have their own lock implmentation when enqueue >>> packets to the same queue of a port. >>> >>> The atomic cmpset is a costly operation. This patch should help >>> performance a bit. >>> >>> Signed-off-by: Huawei Xie <huawei.xie at intel.com> >> This patch modifies the API's behavior, which is also a trivial ABI >> change. In my opinion, application shouldn't rely on previous behavior. >> Anyway, i am checking how to declare the ABI change. > I guess this patch is now obsolete?
How about we delay this to next release after more considerations, whether we should keep this behavior, and what is the best way for concurrency in vhost.
