Re: Problem with VMAP_STACK=y

From: Jiri Kosina
Date: Fri Oct 07 2016 - 03:53:10 EST

On Thu, 6 Oct 2016, Mauro Carvalho Chehab wrote:

> I can't see any other obvious error on the conversion. You could try to
> enable debug options at DVB core/dvb-usb and/or add some printk's to the
> driver and see what's happening.

Mauro, also please don't forget that there are many more places in
drivers/media that still perform DMA on stack, and so have to be fixed for
4.9 (as VMAP_STACK makes that to be immediately visible problem even on
x86_64, which it wasn't the case before).


Jiri Kosina