sched/core: Fix preempt_schedule() interrupt return comment (a49b4f40) · Commits · 戴 / test

preempt_schedule_irq() is the one that should be called on return from interrupt, clean up the comment to avoid any ambiguity. Signed-off-by:

Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: linux-m68k@lists.linux-m68k.org Cc: linux-riscv@lists.infradead.org Cc: uclinux-h8-devel@lists.sourceforge.jp Link: https://lkml.kernel.org/r/20190923143620.29334-2-valentin.schneider@arm.com Signed-off-by:

kernel/sched/core.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -4218,9 +4218,8 @@ static void __sched notrace preempt_schedule_common(void)

		#ifdef CONFIG_PREEMPTION
		/*
		* this is the entry point to schedule() from in-kernel preemption
		* off of preempt_enable. Kernel preemptions off return from interrupt
		* occur there and call schedule directly.
		* This is the entry point to schedule() from in-kernel preemption
		* off of preempt_enable.
		*/
		asmlinkage __visible void __sched notrace preempt_schedule(void)
		{
		@@ -4291,7 +4290,7 @@ EXPORT_SYMBOL_GPL(preempt_schedule_notrace);
		#endif /* CONFIG_PREEMPTION */

		/*
		* this is the entry point to schedule() from kernel preemption
		* This is the entry point to schedule() from kernel preemption
		* off of irq context.
		* Note, that this is called and return with irqs disabled. This will
		* protect us against recursive calling from irq.