scheduler fix

GIT PULL Merged Ingo Molnar 2 participants 2 messages Sep 22, 2023 Scheduler

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Ingo Molnar

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2023-09-22 10:26 UTC #0 lore raw

Linus,

Please pull the latest sched/urgent git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-urgent-2023-09-22

# HEAD: cff9b2332ab762b7e0586c793c431a8f2ea4db04 kernel/sched: Modify initial boot task idle setup

Fix a PF_IDLE initialization bug that generated warnings on tiny-RCU.

Thanks,

Ingo

------------------>
Liam R. Howlett (1):
kernel/sched: Modify initial boot task idle setup

 kernel/sched/core.c | 2 +-
 kernel/sched/idle.c | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

kernel/sched/core.c +1 -1

index 2299a5cfbfb9..802551e0009b 100644
@@ -9269,7 +9269,7 @@ void __init init_idle(struct task_struct *idle, int cpu)
 	 * PF_KTHREAD should already be set at this point; regardless, make it
 	 * look like a proper per-CPU kthread.
 	 */
-	idle->flags |= PF_IDLE | PF_KTHREAD | PF_NO_SETAFFINITY;
+	idle->flags |= PF_KTHREAD | PF_NO_SETAFFINITY;
 	kthread_set_per_cpu(idle, cpu);
 
 #ifdef CONFIG_SMP

kernel/sched/idle.c +1 -0

index 342f58a329f5..5007b25c5bc6 100644
@@ -373,6 +373,7 @@ EXPORT_SYMBOL_GPL(play_idle_precise);
 
 void cpu_startup_entry(enum cpuhp_state state)
 {
+	current->flags |= PF_IDLE;
 	arch_cpu_idle_prepare();
 	cpuhp_online_idle(state);
 	while (1)

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merge bot Merged

2023-09-22 20:19 UTC #1 lore raw

The pull request you sent on Fri, 22 Sep 2023 12:26:19 +0200:

Quoted 1 line

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched-urgent-2023-09-22

has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/5b47b5766b21a59bb247488b374e62c3b72639fb

Thank you!

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