| From | David Howells <> | Subject | Re: [PATCH RFC tip/core/rcu 0/15] Remove to-be-unneeded smp_read_barrier_depends() | Date | Wed, 11 Oct 2017 13:21:03 +0100 |
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Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
> Will Deacon has proposed adding smp_read_barrier_depends() to READ_ONCE(), > which would mean that quite a few instances of smp_read_barrier_depends() > would become redundant.
It's not clear from you description where the barrier is added in relation to the read: before, after or both?
David
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