irq_work: Make irq_work_queue() NMI-safe again
authorPeter Zijlstra <peterz@infradead.org>
Tue, 8 Jun 2021 17:54:15 +0000 (19:54 +0200)
committerPeter Zijlstra <peterz@infradead.org>
Thu, 10 Jun 2021 08:00:08 +0000 (10:00 +0200)
commit156172a13ff0626d8e23276e741c7e2cb2f3b572
tree4e2e00a1189ed6bf172472190a196f63e2b38b3a
parent848ff3768684701a4ce73a2ec0e5d438d4e2b0da
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: e2b5bcf9f5ba ("irq_work: record irq_work_queue() call stack")
Reported-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/YL+uBq8LzXXZsYVf@hirez.programming.kicks-ass.net
kernel/irq_work.c