Re: [RFC PATCH 00/28] Removing struct page from P2PDMA

Logan Gunthorpe
2019-06-20T23:42:50Z

On 2019-06-20 5:40 p.m., Dan Williams wrote:
> This seems to be the most salient point. I was missing the fact that
> this replaces custom hacks and "special" pages with an explicit "just
> pass this pre-mapped address down the stack". It's functionality that
> might plausibly be used outside of p2p, as long as the driver can
> assert that it never needs to touch the data with the cpu before
> handing it off to a dma-engine.

Yup, that's a good way to put it. If I resend this patchset, I'll
include wording like yours in the cover letter.

Logan