[PATCH v2 38/45] bus/vmbus: use rte stdatomic API

[Long Li]

> > The usage is okay. The value is used to notify the VSP (Hyper-V). It's always set
> (no read) from DPDK.
> >
> 
> OK, so my question was not "does it need to be atomic", but rather "why isn't it
> marked RTE_ATOMIC() when it's treated as atomic".
> 
> But what you are saying is that it need not be atomic? Just the equivalent of
> WRITE_ONCE()? Or a relaxed atomic store?

Sorry I misunderstood your question. Yes, it will be a good idea to make "pending" as RTE_ATOMIC.

This value needs to be atomic. However, the existing code is still correct in that updating is done in atomic.