From: Benjamin Herrenschmidt <benh@kernel.crashing.org> Date: 2008-05-06 08:48:51
On Tue, 2008-05-06 at 09:51 +0200, Gerhard Pircher wrote:
Takashi Iwai posted a preliminary patch a long time ago. I tested it
on my
machine and it failed with non coherent scatter-gather DMA allocations
(I guess almost all ALSA PCI drivers use SG DMA?).