On Fri, Oct 11, 2024 at 10:57:13AM -0700, Andrii Nakryiko wrote:
> On Fri, Oct 11, 2024 at 10:39 AM Paul E. McKenney <paulmck@xxxxxxxxxx> wrote:
> >
> > Where RCU is watching is where it is OK to invoke rcu_read_lock().
> >
> > Reported-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
> > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
> > ---
> > include/linux/srcu.h | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
>
> Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
Applied, thank you!
Thanx, Paul
> > diff --git a/include/linux/srcu.h b/include/linux/srcu.h
> > index 4ba96e2cfa405..bab1dae3f69e6 100644
> > --- a/include/linux/srcu.h
> > +++ b/include/linux/srcu.h
> > @@ -270,7 +270,8 @@ static inline int srcu_read_lock(struct srcu_struct *ssp) __acquires(ssp)
> > * synchronize_rcu_expedited(), IPIs and all.
> > *
> > * Note that srcu_read_lock_lite() can be invoked only from those contexts
> > - * where RCU is watching. Otherwise, lockdep will complain.
> > + * where RCU is watching, that is, from contexts where it would be legal
> > + * to invoke rcu_read_lock(). Otherwise, lockdep will complain.
> > */
> > static inline int srcu_read_lock_lite(struct srcu_struct *ssp) __acquires(ssp)
> > {
> > --
> > 2.40.1
> >
