diff options
| -rw-r--r-- | kernel/rcu/tree_exp.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h index 17dd5169012d..d4be644afb50 100644 --- a/kernel/rcu/tree_exp.h +++ b/kernel/rcu/tree_exp.h @@ -553,6 +553,10 @@ static void synchronize_rcu_expedited_stall(unsigned long jiffies_start, unsigne struct rcu_node *rnp; struct rcu_node *rnp_root = rcu_get_root(); + if (READ_ONCE(csd_lock_suppress_rcu_stall) && csd_lock_is_stuck()) { + pr_err("INFO: %s detected expedited stalls, but suppressed full report due to a stuck CSD-lock.\n", rcu_state.name); + return; + } pr_err("INFO: %s detected expedited stalls on CPUs/tasks: {", rcu_state.name); ndetected = 0; rcu_for_each_leaf_node(rnp) { |