From: Jerome Glisse <jglisse@redhat.com>
To: Bob Liu <liubo95@huawei.com>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-mm@kvack.org, John Hubbard <jhubbard@nvidia.com>,
Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>,
David Nellans <dnellans@nvidia.com>,
Evgeny Baskakov <ebaskakov@nvidia.com>,
Mark Hairgrove <mhairgrove@nvidia.com>,
Sherry Cheung <SCheung@nvidia.com>,
Subhash Gutti <sgutti@nvidia.com>
Subject: Re: [HMM 16/16] mm/hmm/devmem: dummy HMM device for ZONE_DEVICE memory v2
Date: Fri, 17 Mar 2017 12:53:51 -0400 [thread overview]
Message-ID: <20170317165351.GA16236@redhat.com> (raw)
In-Reply-To: <e3163e6a-654d-cbf6-3aad-788c31f20655@huawei.com>
On Fri, Mar 17, 2017 at 02:55:57PM +0800, Bob Liu wrote:
> Hi Jerome,
>
> On 2017/3/17 0:05, Jerome Glisse wrote:
> > This introduce a dummy HMM device class so device driver can use it to
> > create hmm_device for the sole purpose of registering device memory.
>
> May I ask where is the latest dummy HMM device driver?
> I can only get this one: https://patchwork.kernel.org/patch/4352061/
https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-next
This is a 4.10 tree but the dummy driver there apply on top of v18
https://cgit.freedesktop.org/~glisse/linux/log/?h=hmm-v18
This is really an example driver it doesn't do anything useful beside
help in testing and debugging.
Cheers,
Jerome
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next prev parent reply other threads:[~2017-03-17 16:53 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-16 16:05 [HMM 00/16] HMM (Heterogeneous Memory Management) v18 Jérôme Glisse
2017-03-16 16:05 ` [HMM 01/16] mm/memory/hotplug: convert device bool to int to allow for more flags v3 Jérôme Glisse
2017-03-19 20:08 ` Mel Gorman
2017-03-16 16:05 ` [HMM 02/16] mm/put_page: move ref decrement to put_zone_device_page() Jérôme Glisse
2017-03-19 20:08 ` Mel Gorman
2017-03-16 16:05 ` [HMM 03/16] mm/ZONE_DEVICE/free-page: callback when page is freed v3 Jérôme Glisse
2017-03-19 20:08 ` Mel Gorman
2017-03-16 16:05 ` [HMM 04/16] mm/ZONE_DEVICE/unaddressable: add support for un-addressable device memory v3 Jérôme Glisse
2017-03-19 20:09 ` Mel Gorman
2017-03-16 16:05 ` [HMM 05/16] mm/ZONE_DEVICE/x86: add support for un-addressable device memory Jérôme Glisse
2017-03-16 16:05 ` [HMM 06/16] mm/migrate: add new boolean copy flag to migratepage() callback Jérôme Glisse
2017-03-19 20:09 ` Mel Gorman
2017-03-16 16:05 ` [HMM 07/16] mm/migrate: new memory migration helper for use with device memory v4 Jérôme Glisse
2017-03-16 16:24 ` Reza Arbab
2017-03-16 20:58 ` Balbir Singh
2017-03-16 23:05 ` Andrew Morton
2017-03-17 0:22 ` John Hubbard
2017-03-17 0:45 ` Balbir Singh
2017-03-17 0:57 ` John Hubbard
2017-03-17 1:52 ` Jerome Glisse
2017-03-17 3:32 ` Andrew Morton
2017-03-17 3:42 ` Balbir Singh
2017-03-17 4:51 ` Balbir Singh
2017-03-17 7:17 ` John Hubbard
2017-03-16 16:05 ` [HMM 08/16] mm/migrate: migrate_vma() unmap page from vma while collecting pages Jérôme Glisse
2017-03-16 16:05 ` [HMM 09/16] mm/hmm: heterogeneous memory management (HMM for short) Jérôme Glisse
2017-03-19 20:09 ` Mel Gorman
2017-03-16 16:05 ` [HMM 10/16] mm/hmm/mirror: mirror process address space on device with HMM helpers Jérôme Glisse
2017-03-19 20:09 ` Mel Gorman
2017-03-16 16:05 ` [HMM 11/16] mm/hmm/mirror: helper to snapshot CPU page table v2 Jérôme Glisse
2017-03-19 20:09 ` Mel Gorman
2017-03-16 16:05 ` [HMM 12/16] mm/hmm/mirror: device page fault handler Jérôme Glisse
2017-03-16 16:05 ` [HMM 13/16] mm/hmm/migrate: support un-addressable ZONE_DEVICE page in migration Jérôme Glisse
2017-03-16 16:05 ` [HMM 14/16] mm/migrate: allow migrate_vma() to alloc new page on empty entry Jérôme Glisse
2017-03-16 16:05 ` [HMM 15/16] mm/hmm/devmem: device memory hotplug using ZONE_DEVICE Jérôme Glisse
2017-03-16 16:05 ` [HMM 16/16] mm/hmm/devmem: dummy HMM device for ZONE_DEVICE memory v2 Jérôme Glisse
2017-03-17 6:55 ` Bob Liu
2017-03-17 16:53 ` Jerome Glisse [this message]
2017-03-16 20:43 ` [HMM 00/16] HMM (Heterogeneous Memory Management) v18 Andrew Morton
2017-03-16 23:49 ` Jerome Glisse
2017-03-17 8:29 ` Bob Liu
2017-03-17 15:57 ` Jerome Glisse
2017-03-17 8:39 ` Bob Liu
2017-03-17 15:52 ` Jerome Glisse
2017-03-19 20:09 ` Mel Gorman
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