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irq_work: Cleanup

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Get rid of the __call_single_node union and clean up the API a little
to avoid external code relying on the structure layout as much.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
This commit is contained in:
Peter Zijlstra
2020-06-15 11:51:29 +02:00
parent 23e6082a52
commit 7a9f50a058
9 changed files with 41 additions and 37 deletions
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2
kernel/bpf/stackmap.c
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@@ -298,7 +298,7 @@ static void stack_map_get_build_id_offset(struct bpf_stack_build_id *id_offs,
if (irqs_disabled()) {
if (!IS_ENABLED(CONFIG_PREEMPT_RT)) {
work = this_cpu_ptr(&up_read_work);
if (atomic_read(&work->irq_work.flags) & IRQ_WORK_BUSY) {
if (irq_work_is_busy(&work->irq_work)) {
/* cannot queue more up_read, fallback */
irq_work_busy = true;
}