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authorFrederic Weisbecker <frederic@kernel.org>2022-06-08 16:40:25 +0200
committerPaul E. McKenney <paulmck@kernel.org>2022-07-05 13:32:16 -0700
commite67198cc05b8ecbb7b8e2d8ef9fb5c8d26821873 (patch)
treef54bf563b402ddf6a56dec2c3c121c4d7af5be9f /kernel/sched/idle.c
parent24a9c54182b3758801b8ca6c8c237cc2ff654732 (diff)
context_tracking: Take idle eqs entrypoints over RCU
The RCU dynticks counter is going to be merged into the context tracking subsystem. Start with moving the idle extended quiescent states entrypoints to context tracking. For now those are dumb redirections to existing RCU calls. [ paulmck: Apply kernel test robot feedback. ] Signed-off-by: Frederic Weisbecker <frederic@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Neeraj Upadhyay <quic_neeraju@quicinc.com> Cc: Uladzislau Rezki <uladzislau.rezki@sony.com> Cc: Joel Fernandes <joel@joelfernandes.org> Cc: Boqun Feng <boqun.feng@gmail.com> Cc: Nicolas Saenz Julienne <nsaenz@kernel.org> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Xiongfeng Wang <wangxiongfeng2@huawei.com> Cc: Yu Liao <liaoyu15@huawei.com> Cc: Phil Auld <pauld@redhat.com> Cc: Paul Gortmaker<paul.gortmaker@windriver.com> Cc: Alex Belits <abelits@marvell.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Reviewed-by: Nicolas Saenz Julienne <nsaenzju@redhat.com> Tested-by: Nicolas Saenz Julienne <nsaenzju@redhat.com>
Diffstat (limited to 'kernel/sched/idle.c')
-rw-r--r--kernel/sched/idle.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
index 328cccbee444..f26ab2675f7d 100644
--- a/kernel/sched/idle.c
+++ b/kernel/sched/idle.c
@@ -53,14 +53,14 @@ static noinline int __cpuidle cpu_idle_poll(void)
{
trace_cpu_idle(0, smp_processor_id());
stop_critical_timings();
- rcu_idle_enter();
+ ct_idle_enter();
local_irq_enable();
while (!tif_need_resched() &&
(cpu_idle_force_poll || tick_check_broadcast_expired()))
cpu_relax();
- rcu_idle_exit();
+ ct_idle_exit();
start_critical_timings();
trace_cpu_idle(PWR_EVENT_EXIT, smp_processor_id());
@@ -98,12 +98,12 @@ void __cpuidle default_idle_call(void)
*
* Trace IRQs enable here, then switch off RCU, and have
* arch_cpu_idle() use raw_local_irq_enable(). Note that
- * rcu_idle_enter() relies on lockdep IRQ state, so switch that
+ * ct_idle_enter() relies on lockdep IRQ state, so switch that
* last -- this is very similar to the entry code.
*/
trace_hardirqs_on_prepare();
lockdep_hardirqs_on_prepare();
- rcu_idle_enter();
+ ct_idle_enter();
lockdep_hardirqs_on(_THIS_IP_);
arch_cpu_idle();
@@ -116,7 +116,7 @@ void __cpuidle default_idle_call(void)
*/
raw_local_irq_disable();
lockdep_hardirqs_off(_THIS_IP_);
- rcu_idle_exit();
+ ct_idle_exit();
lockdep_hardirqs_on(_THIS_IP_);
raw_local_irq_enable();