Re: [PATCH] rdma_rxe: Prevent access to wr->next ptr afrer wr is posted to send queue

[Mikhail Malygin <m.malygin@xxxxxxxxx>]

> Why is this READ_ONCE? The wr list at this point cannot be allowed to
> change
> 
> Jason

The idea behind this READ_ONCE was to make sure read of wr->next happens before post_send_one(), as there is no data dependency between post_send_one and read of wr->next. However I’m not 100% sure this is necessary here.

Mikhail