> 2023年6月13日 05:26,Paul E. McKenney <paulmck@xxxxxxxxxx> 写道: > > On Sat, Jun 10, 2023 at 04:06:08AM +0000, Alan Huang wrote: >> We should exit the RCU read-side critical section before re-entering. >> >> Signed-off-by: Alan Huang <mmpgouride@xxxxxxxxx> >> --- >> Documentation/RCU/rculist_nulls.rst | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/Documentation/RCU/rculist_nulls.rst b/Documentation/RCU/rculist_nulls.rst >> index 9a734bf54..4370ac864 100644 >> --- a/Documentation/RCU/rculist_nulls.rst >> +++ b/Documentation/RCU/rculist_nulls.rst >> @@ -30,6 +30,7 @@ algorithms: >> obj = lockless_lookup(key); >> if (obj) { >> if (!try_get_ref(obj)) // might fail for free objects >> + rcu_read_unlock(); > > Good eyes! But don't we also need a pair of braces? Yeah! We need that. I have sent the v2. Thanks, Alan > > Thanx, Paul > >> goto begin; >> /* >> * Because a writer could delete object, and a writer could >> -- >> 2.34.1