diff options
Diffstat (limited to 'kernel/rcu/tasks.h')
| -rw-r--r-- | kernel/rcu/tasks.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h index 94b8ee84bc78..b5ad57d0a7fb 100644 --- a/kernel/rcu/tasks.h +++ b/kernel/rcu/tasks.h @@ -1041,9 +1041,11 @@ static void trc_wait_for_one_reader(struct task_struct *t, if (smp_call_function_single(cpu, trc_read_check_handler, t, 0)) { // Just in case there is some other reason for // failure than the target CPU being offline. + WARN_ONCE(1, "%s(): smp_call_function_single() failed for CPU: %d\n", + __func__, cpu); rcu_tasks_trace.n_ipis_fails++; per_cpu(trc_ipi_to_cpu, cpu) = false; - t->trc_ipi_to_cpu = cpu; + t->trc_ipi_to_cpu = -1; } } } |