The show_rcu_tasks_trace_gp_kthread() is used by rcutorture to diagnose bugs involving the RCU Tasks Trace grace-period kthread, which now no longer exists. This commit therefore removes this function.
Signed-off-by: Paul E. McKenney <[email protected]> Cc: Andrii Nakryiko <[email protected]> Cc: Alexei Starovoitov <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: <[email protected]> --- kernel/rcu/rcu.h | 5 ----- kernel/rcu/rcutorture.c | 1 - kernel/rcu/tasks.h | 6 ------ 3 files changed, 12 deletions(-) diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h index 9cf01832a6c3d1..b397572b4a5331 100644 --- a/kernel/rcu/rcu.h +++ b/kernel/rcu/rcu.h @@ -673,11 +673,6 @@ void show_rcu_tasks_rude_gp_kthread(void); #else static inline void show_rcu_tasks_rude_gp_kthread(void) {} #endif -#if !defined(CONFIG_TINY_RCU) && defined(CONFIG_TASKS_TRACE_RCU) -void show_rcu_tasks_trace_gp_kthread(void); -#else -static inline void show_rcu_tasks_trace_gp_kthread(void) {} -#endif #ifdef CONFIG_TINY_RCU static inline bool rcu_cpu_beenfullyonline(int cpu) { return true; } diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 72619e5e8549dc..5120e1ce811413 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1130,7 +1130,6 @@ static struct rcu_torture_ops tasks_tracing_ops = { .exp_sync = synchronize_rcu_tasks_trace, .call = call_rcu_tasks_trace, .cb_barrier = rcu_barrier_tasks_trace, - .gp_kthread_dbg = show_rcu_tasks_trace_gp_kthread, .get_gp_data = rcu_tasks_trace_get_gp_data, .cbflood_max = 50000, .irq_capable = 1, diff --git a/kernel/rcu/tasks.h b/kernel/rcu/tasks.h index 50f5c483e0e15a..6e2530fe23e620 100644 --- a/kernel/rcu/tasks.h +++ b/kernel/rcu/tasks.h @@ -1468,11 +1468,6 @@ void __init rcu_tasks_trace_suppress_unused(void) } #if !defined(CONFIG_TINY_RCU) -void show_rcu_tasks_trace_gp_kthread(void) -{ -} -EXPORT_SYMBOL_GPL(show_rcu_tasks_trace_gp_kthread); - void rcu_tasks_trace_torture_stats_print(char *tt, char *tf) { } @@ -1497,7 +1492,6 @@ void show_rcu_tasks_gp_kthreads(void) { show_rcu_tasks_classic_gp_kthread(); show_rcu_tasks_rude_gp_kthread(); - show_rcu_tasks_trace_gp_kthread(); } #endif /* #ifndef CONFIG_TINY_RCU */ -- 2.40.1
