Re: [PATCH tip/core/rcu 16/27] rcu: Add comment documenting how rcu_seq_snap works

Peter Zijlstra
2018-06-26T17:15:19Z

On Mon, Jun 25, 2018 at 05:35:02PM -0700, Paul E. McKenney wrote:
> From: "Joel Fernandes (Google)" <joel@joelfernandes.org>
>
> rcu_seq_snap may be tricky to decipher. Lets document how it works with
> an example to make it easier.

Since you had me looking at them functions; why isn't rcu_seq_snap()
using smp_load_acquire() and rcu_seq_end() using smp_store_release() ?
Their respective comments seem to suggest that would be sufficent.