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From: Alistair Popple <apopple@nvidia.com>
To: Andrew Morton <akpm@linux-foundation.org>,
	Dan Williams <dan.j.williams@intel.com>,
	Christoph Hellwig <hch@lst.de>
Cc: "Felix Kuehling" <Felix.Kuehling@amd.com>,
	"Alex Deucher" <alexander.deucher@amd.com>,
	"Christian König" <christian.koenig@amd.com>,
	"Pan, Xinhui" <Xinhui.Pan@amd.com>,
	"Ben Skeggs" <bskeggs@redhat.com>,
	"Karol Herbst" <kherbst@redhat.com>,
	"Lyude Paul" <lyude@redhat.com>, "Jason Gunthorpe" <jgg@ziepe.ca>,
	"Logan Gunthorpe" <logang@deltatee.com>,
	"Ralph Campbell" <rcampbell@nvidia.com>,
	linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org,
	nvdimm@lists.linux.dev, linux-mm@kvack.org
Subject: Re: start sorting out the ZONE_DEVICE refcount mess v2
Date: Thu, 10 Feb 2022 21:56:04 +1100	[thread overview]
Message-ID: <1873253.3FHD7cURoh@nvdebian> (raw)
In-Reply-To: <20220210072828.2930359-1-hch@lst.de>

On Thursday, 10 February 2022 6:28:01 PM AEDT Christoph Hellwig wrote:

[...]

> Changes since v1:
>  - add a missing memremap.h include in memcontrol.c
>  - include rebased versions of the device coherent support and
>    device coherent migration support series as well as additional
>    cleanup patches

Thanks for the rebase. I will take a closer look at it tomorrow but I just
ran the hmm-tests and they are all still passing for me with this series.

> Diffstt:
>  arch/arm64/mm/mmu.c                      |    1 
>  arch/powerpc/kvm/book3s_hv_uvmem.c       |    1 
>  drivers/gpu/drm/amd/amdkfd/kfd_migrate.c |   35 -
>  drivers/gpu/drm/amd/amdkfd/kfd_priv.h    |    1 
>  drivers/gpu/drm/drm_cache.c              |    2 
>  drivers/gpu/drm/nouveau/nouveau_dmem.c   |    3 
>  drivers/gpu/drm/nouveau/nouveau_svm.c    |    1 
>  drivers/infiniband/core/rw.c             |    1 
>  drivers/nvdimm/pmem.h                    |    1 
>  drivers/nvme/host/pci.c                  |    1 
>  drivers/nvme/target/io-cmd-bdev.c        |    1 
>  fs/Kconfig                               |    2 
>  fs/fuse/virtio_fs.c                      |    1 
>  include/linux/hmm.h                      |    9 
>  include/linux/memremap.h                 |   36 +
>  include/linux/migrate.h                  |    1 
>  include/linux/mm.h                       |   59 --
>  lib/test_hmm.c                           |  353 ++++++++++---
>  lib/test_hmm_uapi.h                      |   22 
>  mm/Kconfig                               |    7 
>  mm/Makefile                              |    1 
>  mm/gup.c                                 |  127 +++-
>  mm/internal.h                            |    3 
>  mm/memcontrol.c                          |   19 
>  mm/memory-failure.c                      |    8 
>  mm/memremap.c                            |   75 +-
>  mm/migrate.c                             |  763 ----------------------------
>  mm/migrate_device.c                      |  822 +++++++++++++++++++++++++++++++
>  mm/rmap.c                                |    5 
>  mm/swap.c                                |   49 -
>  tools/testing/selftests/vm/Makefile      |    2 
>  tools/testing/selftests/vm/hmm-tests.c   |  204 ++++++-
>  tools/testing/selftests/vm/test_hmm.sh   |   24 
>  33 files changed, 1552 insertions(+), 1088 deletions(-)
> 






  parent reply	other threads:[~2022-02-10 10:58 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-10  7:28 start sorting out the ZONE_DEVICE refcount mess v2 Christoph Hellwig
2022-02-10  7:28 ` [PATCH 01/27] mm: remove a pointless CONFIG_ZONE_DEVICE check in memremap_pages Christoph Hellwig
2022-02-10 11:37   ` Miaohe Lin
2022-02-10  7:28 ` [PATCH 02/27] mm: remove the __KERNEL__ guard from <linux/mm.h> Christoph Hellwig
2022-02-10  7:28 ` [PATCH 03/27] mm: remove pointless includes from <linux/hmm.h> Christoph Hellwig
2022-02-10  9:39   ` Muchun Song
2022-02-10  7:28 ` [PATCH 04/27] mm: move free_devmap_managed_page to memremap.c Christoph Hellwig
2022-02-10  7:28 ` [PATCH 05/27] mm: simplify freeing of devmap managed pages Christoph Hellwig
2022-02-10  7:28 ` [PATCH 06/27] mm: don't include <linux/memremap.h> in <linux/mm.h> Christoph Hellwig
2022-02-10  7:28 ` [PATCH 07/27] mm: remove the extra ZONE_DEVICE struct page refcount Christoph Hellwig
2022-02-10  7:28 ` [PATCH 08/27] fsdax: depend on ZONE_DEVICE || FS_DAX_LIMITED Christoph Hellwig
2022-02-10  7:28 ` [PATCH 09/27] mm: generalize the pgmap based page_free infrastructure Christoph Hellwig
2022-02-14 17:37   ` Logan Gunthorpe
2022-02-10  7:28 ` [PATCH 10/27] mm: refactor check_and_migrate_movable_pages Christoph Hellwig
2022-02-10  7:28 ` [PATCH 11/27] mm: refactor the ZONE_DEVICE handling in migrate_vma_insert_page Christoph Hellwig
2022-02-10 10:48   ` Alistair Popple
2022-02-10  7:28 ` [PATCH 12/27] mm: refactor the ZONE_DEVICE handling in migrate_vma_pages Christoph Hellwig
2022-02-10 10:46   ` Alistair Popple
2022-02-10  7:28 ` [PATCH 13/27] mm: move the migrate_vma_* device migration code into it's own file Christoph Hellwig
2022-02-10 10:35   ` Alistair Popple
2022-02-10 15:23     ` Christoph Hellwig
2022-02-10  7:28 ` [PATCH 14/27] mm: build migrate_vma_* for all configs with ZONE_DEVICE support Christoph Hellwig
2022-02-10 10:43   ` Alistair Popple
2022-02-10  7:28 ` [PATCH 15/27] mm: add zone device coherent type memory support Christoph Hellwig
2022-02-10  7:28 ` [PATCH 16/27] mm: add device coherent vma selection for memory migration Christoph Hellwig
2022-02-10  7:28 ` [PATCH 17/27] mm/gup: fail get_user_pages for LONGTERM dev coherent type Christoph Hellwig
2022-02-10  7:28 ` [PATCH 18/27] drm/amdkfd: add SPM support for SVM Christoph Hellwig
2022-02-10  7:28 ` [PATCH 19/27] drm/amdkfd: coherent type as sys mem on migration to ram Christoph Hellwig
2022-02-10  7:28 ` [PATCH 20/27] lib: test_hmm add ioctl to get zone device type Christoph Hellwig
2022-02-10  7:28 ` [PATCH 21/27] lib: test_hmm add module param for " Christoph Hellwig
2022-02-10  7:28 ` [PATCH 22/27] lib: add support for device coherent type in test_hmm Christoph Hellwig
2022-02-10  7:28 ` [PATCH 23/27] tools: update hmm-test to support device coherent type Christoph Hellwig
2022-02-10  7:28 ` [PATCH 24/27] tools: update test_hmm script to support SP config Christoph Hellwig
2022-02-10  7:28 ` [PATCH 25/27] mm: remove the vma check in migrate_vma_setup() Christoph Hellwig
2022-02-10  7:28 ` [PATCH 26/27] mm/gup: migrate device coherent pages when pinning instead of failing Christoph Hellwig
2022-02-10  7:28 ` [PATCH 27/27] tools: add hmm gup test for long term pinned device pages Christoph Hellwig
2022-02-10 10:56 ` Alistair Popple [this message]
2022-02-10 17:36 ` start sorting out the ZONE_DEVICE refcount mess v2 Sierra Guiza, Alejandro (Alex)

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