diff options
| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-10-05 22:50:57 +0200 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2017-11-29 00:51:19 +0100 |
| commit | 914955e18ca09fc404d7fc3614bb04c96a03692c (patch) | |
| tree | ec56a73f3e1c85cf10982e27cd331ab303b21519 /kernel/rcu | |
| parent | rcu: Add ->dynticks field to rcu_dyntick trace event (diff) | |
| download | linux-914955e18ca09fc404d7fc3614bb04c96a03692c.tar.xz linux-914955e18ca09fc404d7fc3614bb04c96a03692c.zip | |
rcu: Stop duplicating lockdep checks in RCU's idle-entry code
The three RCU_LOCKDEP_WARN() calls in rcu_eqs_enter_common() are
redundant with other lockdep checks, so this commit removes them.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu')
| -rw-r--r-- | kernel/rcu/tree.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 5febb76809f6..80cada11f544 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -781,17 +781,6 @@ static void rcu_eqs_enter_common(bool user) rdtp->dynticks_nesting = 0; rcu_dynticks_eqs_enter(); rcu_dynticks_task_enter(); - - /* - * It is illegal to enter an extended quiescent state while - * in an RCU read-side critical section. - */ - RCU_LOCKDEP_WARN(lock_is_held(&rcu_lock_map), - "Illegal idle entry in RCU read-side critical section."); - RCU_LOCKDEP_WARN(lock_is_held(&rcu_bh_lock_map), - "Illegal idle entry in RCU-bh read-side critical section."); - RCU_LOCKDEP_WARN(lock_is_held(&rcu_sched_lock_map), - "Illegal idle entry in RCU-sched read-side critical section."); } /* |