On Tue, Oct 18, 2022 at 09:39:06AM +0800, Zqiang wrote: > When enable CONFIG_PROVE_RCU and built modules, the following > error appear: > > ERROR: modpost: "srcu_check_nmi_safety" [kernel/rcu/rcutorture.ko] undefined! > ERROR: modpost: "srcu_check_nmi_safety" [kernel/rcu/rcuscale.ko] undefined! > > This commit fix it by exporting the srcu_check_nmi_safety(). > > Signed-off-by: Zqiang <qiang1.zhang@xxxxxxxxx> Acked-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx> thanks, - Joel > --- > kernel/rcu/srcutree.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c > index 382236dd5e46..bcd629f5f902 100644 > --- a/kernel/rcu/srcutree.c > +++ b/kernel/rcu/srcutree.c > @@ -651,6 +651,7 @@ void srcu_check_nmi_safety(struct srcu_struct *ssp, bool nmi_safe) > } > WARN_ONCE(old_nmi_safe_mask != nmi_safe_mask, "CPU %d old state %d new state %d\n", sdp->cpu, old_nmi_safe_mask, nmi_safe_mask); > } > +EXPORT_SYMBOL_GPL(srcu_check_nmi_safety); > #endif /* CONFIG_PROVE_RCU */ > > /* > -- > 2.25.1 >
