On Fri, Jan 27, 2017 at 05:52:07PM -0500, Jérôme 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. Balbir Singh. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
