On Wed, Apr 11, 2018 at 09:19:56AM -0700, Paul E. McKenney wrote:
> >
> > Prior Operation Subsequent Operation
> > --------------- ---------------------
> > R W RMW SV R W DR DW RMW SV
> > - - --- -- - - -- -- --- --
> > smp_store_mb() Y Y Y Y Y Y Y Y Y Y
I'm not sure about that, the generic version of that reads:
include/asm-generic/barrier.h:#define __smp_store_mb(var, value) do {
WRITE_ONCE(var, value); __smp_mb(); } while (0)
Which doesn't not have an smp_mb() before, so it doesn't actually order
prior; or I'm failing to read the table wrong.
