On Tue, Mar 26, 2019 at 04:41:20PM -0700, Paul E. McKenney wrote: > Given that synchronize_rcu_expedited() is supported, this commit adds > support for synchronize_srcu_expedited(). > > Signed-off-by: Paul E. McKenney <[email protected]> > --- > tools/memory-model/linux-kernel.def | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/memory-model/linux-kernel.def > b/tools/memory-model/linux-kernel.def > index 0c3f0ef486f4..551eeaa389d4 100644 > --- a/tools/memory-model/linux-kernel.def > +++ b/tools/memory-model/linux-kernel.def > @@ -51,6 +51,7 @@ synchronize_rcu_expedited() { __fence{sync-rcu}; } > srcu_read_lock(X) __srcu{srcu-lock}(X) > srcu_read_unlock(X,Y) { __srcu{srcu-unlock}(X,Y); } > synchronize_srcu(X) { __srcu{sync-srcu}(X); } > +synchronize_srcu_expedited(X) { __srcu{sync-srcu}(X); }
This and the other patches from the series do not apply to "tip/core/rcu" (from the Subject), but this seems straightforward enough: Acked-by: Andrea Parri <[email protected]> Andrea > > // Atomic > atomic_read(X) READ_ONCE(*X) > -- > 2.17.1 >
