On Thu, Jun 06, 2019 at 09:48:49AM +0200, Peter Zijlstra wrote:
> On Thu, May 30, 2019 at 08:00:12AM -0700, Paul E. McKenney wrote:
> > The sync_exp_work_done() function uses smp_mb__before_atomic(), but
> > there is no obvious atomic in the ensuing code. The ordering is
> > absolutely required fo
On Thu, May 30, 2019 at 08:00:12AM -0700, Paul E. McKenney wrote:
> The sync_exp_work_done() function uses smp_mb__before_atomic(), but
> there is no obvious atomic in the ensuing code. The ordering is
> absolutely required for grace periods to work correctly, so this
> commit upgrades the smp_mb_
The sync_exp_work_done() function uses smp_mb__before_atomic(), but
there is no obvious atomic in the ensuing code. The ordering is
absolutely required for grace periods to work correctly, so this
commit upgrades the smp_mb__before_atomic() to smp_mb().
Reported-by: Andrea Parri
Signed-off-by: P
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