On Wed, Feb 22, 2017 at 7:16 PM, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote: > On Wed, 22 Feb 2017 18:19:15 +1100 Balbir Singh <bsingharora@xxxxxxxxx> 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? I reviewed v14/15 of the patches. Aneesh reviewed some versions as well. I know a few people who tested a small subset of the patches, I'll get them to report back as well. I think John Hubbard has been testing iterations as well. CC'ing other interested people as well Balbir -- 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>
