On 17/02/2017 17:51, Tom Lendacky wrote: > > It's meant just to notify the user about the condition. The user could > then decide to use an alternative device that supports a greater DMA > range (I can probably change it to a dev_warn_once() so that a device > is identified). I would be nice if I could issue this message once per > device that experienced this. I didn't see anything that would do > that, though. dev_warn_once would print once only, not once per device. But if you leave the dev_warn elsewhere, this can be just pr_warn_once. Paolo