On Tue, Jan 29, 2019 at 3:25 PM Logan Gunthorpe <logang@xxxxxxxxxxxx> wrote: > > > > On 2019-01-29 12:56 p.m., Alex Deucher wrote: > > On Tue, Jan 29, 2019 at 12:47 PM <jglisse@xxxxxxxxxx> wrote: > >> > >> From: Jérôme Glisse <jglisse@xxxxxxxxxx> > >> > >> device_test_p2p() return true if two devices can peer to peer to > >> each other. We add a generic function as different inter-connect > >> can support peer to peer and we want to genericaly test this no > >> matter what the inter-connect might be. However this version only > >> support PCIE for now. > >> > > > > What about something like these patches: > > https://cgit.freedesktop.org/~deathsimple/linux/commit/?h=p2p&id=4fab9ff69cb968183f717551441b475fabce6c1c > > https://cgit.freedesktop.org/~deathsimple/linux/commit/?h=p2p&id=f90b12d41c277335d08c9dab62433f27c0fadbe5 > > They are a bit more thorough. > > Those new functions seem to have a lot of overlap with the code that is > already upstream in p2pdma.... Perhaps you should be improving the > p2pdma functions if they aren't suitable for what you want already > instead of creating new ones. Could be. Those patches are pretty old. They probably need to be rebased on the latest upstream p2p stuff. Alex
