On Wed, 22 Feb 2017 18:19:15 +1100 Balbir Singh <bsinghar...@gmail.com> wrote:
> On Fri, Jan 27, 2017 at 05:52:07PM -0500, J__r__me Glisse wrote: > > Cliff note: HMM offers 2 things (each standing on its own). First > > it allows to use device memory transparently inside any process > > without any modifications to process program code. Second it allows > > to mirror process address space on a device. > > > > Change since v16: > > - move HMM unaddressable device memory to its own radix tree and > > thus find_dev_pagemap() will no longer return HMM dev_pagemap > > - rename HMM migration helper (drop the prefix) and make them > > completely independent of HMM > > > > Migration can now be use to implement thing like multi-threaded > > copy or make use of specific memory allocator for destination > > memory. > > > > Work is under way to use this feature inside nouveau (the upstream > > open source driver for NVidia GPU) either 411 or 4.12 timeframe. > > But this patchset have been otherwise tested with the close source > > driver for NVidia GPU and thus we are confident it works and allow > > to use the hardware for seamless interaction between CPU and GPU > > in common address space of a process. > > > > I also discussed the features with other company and i am confident > > it can be use on other, yet, unrelease hardware. > > > > Please condiser applying for 4.11 > > > > Andrew, do we expect to get this in 4.11/4.12? Just curious. > I'll be taking a serious look after -rc1. The lack of reviewed-by, acked-by and tested-by is a concern. It's rather odd for a patchset in the 17th revision! What's up with that? Have you reviewed or tested the patches?
