… > +++ b/drivers/media/platform/rockchip/rkcif/rkcif-stream.c > @@ -0,0 +1,622 @@ … > +static void rkcif_stream_push_buffer(struct rkcif_stream *stream, > + struct rkcif_buffer *buffer) > +{ > + unsigned long lock_flags; > + > + spin_lock_irqsave(&stream->driver_queue_lock, lock_flags); > + list_add_tail(&buffer->queue, &stream->driver_queue); > + spin_unlock_irqrestore(&stream->driver_queue_lock, lock_flags); > +} … Under which circumstances would you become interested to apply a statement like “guard(spinlock_irqsave)(&stream->driver_queue_lock);”? https://elixir.bootlin.com/linux/v6.14-rc3/source/include/linux/spinlock.h#L572 Regards, Markus