Commit 156172a1 authored by Peter Zijlstra's avatar Peter Zijlstra
Browse files

irq_work: Make irq_work_queue() NMI-safe again 



Someone carelessly put NMI unsafe code in irq_work_queue(), breaking
just about every single user. Also, someone has a terrible comment
style.

Fixes: e2b5bcf9 ("irq_work: record irq_work_queue() call stack")
Reported-by: default avatarAlexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: default avatarPeter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/YL+uBq8LzXXZsYVf@hirez.programming.kicks-ass.net
parent 848ff376

kernel/irq_work.c

+0 −3
Original line number Diff line number Diff line
@@ -70,9 +70,6 @@ bool irq_work_queue(struct irq_work *work) 
	if (!irq_work_claim(work))

		return false;



	/*record irq_work call stack in order to print it in KASAN reports*/

	kasan_record_aux_stack(work);



	/* Queue the entry and raise the IPI if needed. */

	preempt_disable();

	__irq_work_queue_local(work);