Re: ensure dma_alloc_coherent always returns zeroed memory

hch
2018-12-20T14:34:19Z

On Thu, Dec 20, 2018 at 02:32:52PM +0000, Eugeniy Paltsev wrote:
> Hi Christoph,
>
> I test kernel from your 'dma-alloc-always-zero' branch, and as
> I can see we have DMA peripherals (like USB) broken.

I would be really surprised if that is caused by the patch to add
the zeroing. Can you check which commit caused the issue by bisecting
from a known good baseline?