diff options
Diffstat (limited to 'kernel/rcu/tree.c')
| -rw-r--r-- | kernel/rcu/tree.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 8e78b2430c16..f6543b8004c0 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -833,28 +833,6 @@ void noinstr rcu_irq_exit(void) rcu_nmi_exit(); } -/** - * rcu_irq_exit_preempt - Inform RCU that current CPU is exiting irq - * towards in kernel preemption - * - * Same as rcu_irq_exit() but has a sanity check that scheduling is safe - * from RCU point of view. Invoked from return from interrupt before kernel - * preemption. - */ -void rcu_irq_exit_preempt(void) -{ - lockdep_assert_irqs_disabled(); - rcu_nmi_exit(); - - RCU_LOCKDEP_WARN(__this_cpu_read(rcu_data.dynticks_nesting) <= 0, - "RCU dynticks_nesting counter underflow/zero!"); - RCU_LOCKDEP_WARN(__this_cpu_read(rcu_data.dynticks_nmi_nesting) != - DYNTICK_IRQ_NONIDLE, - "Bad RCU dynticks_nmi_nesting counter\n"); - RCU_LOCKDEP_WARN(rcu_dynticks_curr_cpu_in_eqs(), - "RCU in extended quiescent state!"); -} - #ifdef CONFIG_PROVE_RCU /** * rcu_irq_exit_check_preempt - Validate that scheduling is possible |