Messages in this thread | | | Date | Tue, 26 Jun 2018 22:15:03 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH tip/core/rcu 16/27] rcu: Add comment documenting how rcu_seq_snap works |
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On Tue, Jun 26, 2018 at 12:31:46PM -0700, Paul E. McKenney wrote: > > Then the existing comment is misleading and really needs change. > > Would it be sufficient to add something like "The memory barrier is > required to support the many-to-many ordering guaranteed by RCU grace > periods"?
What would lead me to wonder why after the load and not (also) before.
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