Messages in this thread | | | Date | Wed, 5 Jun 2019 23:05:11 -0700 | From | "Paul E. McKenney" <> | Subject | Re: rcu_read_lock lost its compiler barrier |
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On Thu, Jun 06, 2019 at 12:51:09PM +0800, Herbert Xu wrote: > On Tue, Jun 04, 2019 at 10:44:18AM -0400, Alan Stern wrote: > > > > Currently the LKMM says the test is allowed and there is a data race, > > but this answer clearly is wrong since it would violate the RCU > > guarantee. > > Thank you! This is what I tried to say all along in this thread > but you expressed it in a much better way :)
In case you were wondering, the reason that I was giving you such a hard time was that from what I could see, you were pushing for no {READ,WRITE}_ONCE() at all. ;-)
Thanx, Paul
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