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authorFrederic Weisbecker <frederic@kernel.org>2022-06-08 16:40:26 +0200
committerPaul E. McKenney <paulmck@kernel.org>2022-07-05 22:32:59 +0200
commit6f0e6c1598b1a3d19fc30db86b6e26d6f881b43d (patch)
treef6ce7f78ab37fc235f67c3bf40f0a94cefadd6dc /kernel/cpu_pm.c
parentcontext_tracking: Take idle eqs entrypoints over RCU (diff)
downloadlinux-6f0e6c1598b1a3d19fc30db86b6e26d6f881b43d.tar.xz
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context_tracking: Take IRQ eqs entrypoints over RCU
The RCU dynticks counter is going to be merged into the context tracking subsystem. Prepare with moving the IRQ extended quiescent states entrypoints to context tracking. For now those are dumb redirection to existing RCU calls. [ paulmck: Apply Stephen Rothwell feedback from -next. ] [ paulmck: Apply Nathan Chancellor feedback. ] Acked-by: Paul E. McKenney <paulmck@kernel.org> 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/cpu_pm.c')
-rw-r--r--kernel/cpu_pm.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/cpu_pm.c b/kernel/cpu_pm.c
index 246efc74e3f3..ba4ba71facf9 100644
--- a/kernel/cpu_pm.c
+++ b/kernel/cpu_pm.c
@@ -35,11 +35,11 @@ static int cpu_pm_notify(enum cpu_pm_event event)
* disfunctional in cpu idle. Copy RCU_NONIDLE code to let RCU know
* this.
*/
- rcu_irq_enter_irqson();
+ ct_irq_enter_irqson();
rcu_read_lock();
ret = raw_notifier_call_chain(&cpu_pm_notifier.chain, event, NULL);
rcu_read_unlock();
- rcu_irq_exit_irqson();
+ ct_irq_exit_irqson();
return notifier_to_errno(ret);
}
@@ -49,11 +49,11 @@ static int cpu_pm_notify_robust(enum cpu_pm_event event_up, enum cpu_pm_event ev
unsigned long flags;
int ret;
- rcu_irq_enter_irqson();
+ ct_irq_enter_irqson();
raw_spin_lock_irqsave(&cpu_pm_notifier.lock, flags);
ret = raw_notifier_call_chain_robust(&cpu_pm_notifier.chain, event_up, event_down, NULL);
raw_spin_unlock_irqrestore(&cpu_pm_notifier.lock, flags);
- rcu_irq_exit_irqson();
+ ct_irq_exit_irqson();
return notifier_to_errno(ret);
}