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SubjectRe: ensure dma_alloc_coherent always returns zeroed memory
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?

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