rcu-tasks: Fix code-style issues

This commit declares trc_n_readers_need_end and trc_wait static and
replaced a "&" with "&&".  The "&" happened to work because the values
are bool, but accidents waiting to happen and all that...

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2020-06-09 09:24:51 -07:00
parent 8344496e8b
commit 30d8aa5128

View File

@ -737,8 +737,8 @@ EXPORT_SYMBOL_GPL(rcu_trace_lock_map);
#ifdef CONFIG_TASKS_TRACE_RCU
atomic_t trc_n_readers_need_end; // Number of waited-for readers.
DECLARE_WAIT_QUEUE_HEAD(trc_wait); // List of holdout tasks.
static atomic_t trc_n_readers_need_end; // Number of waited-for readers.
static DECLARE_WAIT_QUEUE_HEAD(trc_wait); // List of holdout tasks.
// Record outstanding IPIs to each CPU. No point in sending two...
static DEFINE_PER_CPU(bool, trc_ipi_to_cpu);
@ -845,7 +845,7 @@ static bool trc_inspect_reader(struct task_struct *t, void *arg)
bool ofl = cpu_is_offline(cpu);
if (task_curr(t)) {
WARN_ON_ONCE(ofl & !is_idle_task(t));
WARN_ON_ONCE(ofl && !is_idle_task(t));
// If no chance of heavyweight readers, do it the hard way.
if (!ofl && !IS_ENABLED(CONFIG_TASKS_TRACE_RCU_READ_MB))