On Tue, Apr 27, 2021 at 1:22 PM John Hubbard <jhubbard@xxxxxxxxxx> wrote: > > On 4/27/21 12:28 PM, Jason Gunthorpe wrote: > > On Thu, Apr 08, 2021 at 11:01:07AM -0600, Logan Gunthorpe wrote: > >> Hi, > >> > >> This patchset continues my work to to add P2PDMA support to the common > >> dma map operations. This allows for creating SGLs that have both P2PDMA > >> and regular pages which is a necessary step to allowing P2PDMA pages in > >> userspace. > >> > >> The earlier RFC[1] generated a lot of great feedback and I heard no show > >> stopping objections. Thus, I've incorporated all the feedback and have > >> decided to post this as a proper patch series with hopes of eventually > >> getting it in mainline. > >> > >> I'm happy to do a few more passes if anyone has any further feedback > >> or better ideas. > > > > For the user of the DMA API the idea seems reasonable enough, the next > > steps to integrate with pin_user_pages() seem fairly straightfoward > > too > > > > Was there no feedback on this at all? > > > > oops, I meant to review this a lot sooner, because this whole p2pdma thing is > actually very interesting and important...somehow it slipped but I'll take > a look now. Still in my queue as well behind Joao's memmap consolidation series, and a recent copy_mc_to_iter() fix series from Al.
