On Wed, Mar 17, 2021 at 04:36:13PM +1100, Stephen Rothwell wrote: > Hi all, > > After merging the rcu tree, today's linux-next build (x86_64 allmodconfig) > failed like this: > > ERROR: modpost: "rcu_read_lock_longwait_held" [kernel/rcu/rcutorture.ko] undefined! > ERROR: modpost: "rcu_read_unlock_longwait" [kernel/rcu/rcutorture.ko] undefined! > ERROR: modpost: "rcu_read_lock_longwait" [kernel/rcu/rcutorture.ko] undefined! > > Caused by commit > > bd6ae31d1b1f ("rcutorture: Add the ability to torture RCU longsleep") > > CONFIG_LONGWAIT_RCU=y > CONFIG_RCU_TORTURE_TEST=m > > I have used the rcu tree from next-20210316 for today. Gah! Rebase first, then retest, -then- adjust rcu/next... Will fix, apologies for the hassle! Thanx, Paul