From: Alex Sierra <alex.sierra@amd.com> To: <akpm@linux-foundation.org>, <Felix.Kuehling@amd.com>, <linux-mm@kvack.org>, <rcampbell@nvidia.com>, <linux-ext4@vger.kernel.org>, <linux-xfs@vger.kernel.org> Cc: <amd-gfx@lists.freedesktop.org>, <dri-devel@lists.freedesktop.org>, <hch@lst.de>, <jgg@nvidia.com>, <jglisse@redhat.com>, <apopple@nvidia.com>, <willy@infradead.org> Subject: [PATCH v4 05/10] drm/amdkfd: coherent type as sys mem on migration to ram Date: Wed, 26 Jan 2022 21:09:44 -0600 [thread overview] Message-ID: <20220127030949.19396-6-alex.sierra@amd.com> (raw) In-Reply-To: <20220127030949.19396-1-alex.sierra@amd.com> Coherent device type memory on VRAM to RAM migration, has similar access as System RAM from the CPU. This flag sets the source from the sender. Which in Coherent type case, should be set as MIGRATE_VMA_SELECT_DEVICE_COHERENT. Signed-off-by: Alex Sierra <alex.sierra@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> --- drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index 9e36fe8aea0f..3e405f078ade 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -661,9 +661,12 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange, migrate.vma = vma; migrate.start = start; migrate.end = end; - migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE; migrate.pgmap_owner = SVM_ADEV_PGMAP_OWNER(adev); + if (adev->gmc.xgmi.connected_to_cpu) + migrate.flags = MIGRATE_VMA_SELECT_DEVICE_COHERENT; + else + migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE; size = 2 * sizeof(*migrate.src) + sizeof(uint64_t) + sizeof(dma_addr_t); size *= npages; buf = kvmalloc(size, GFP_KERNEL | __GFP_ZERO); -- 2.32.0
WARNING: multiple messages have this Message-ID (diff)
From: Alex Sierra <alex.sierra@amd.com> To: <akpm@linux-foundation.org>, <Felix.Kuehling@amd.com>, <linux-mm@kvack.org>, <rcampbell@nvidia.com>, <linux-ext4@vger.kernel.org>, <linux-xfs@vger.kernel.org> Cc: willy@infradead.org, apopple@nvidia.com, dri-devel@lists.freedesktop.org, jglisse@redhat.com, amd-gfx@lists.freedesktop.org, jgg@nvidia.com, hch@lst.de Subject: [PATCH v4 05/10] drm/amdkfd: coherent type as sys mem on migration to ram Date: Wed, 26 Jan 2022 21:09:44 -0600 [thread overview] Message-ID: <20220127030949.19396-6-alex.sierra@amd.com> (raw) In-Reply-To: <20220127030949.19396-1-alex.sierra@amd.com> Coherent device type memory on VRAM to RAM migration, has similar access as System RAM from the CPU. This flag sets the source from the sender. Which in Coherent type case, should be set as MIGRATE_VMA_SELECT_DEVICE_COHERENT. Signed-off-by: Alex Sierra <alex.sierra@amd.com> Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> --- drivers/gpu/drm/amd/amdkfd/kfd_migrate.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c index 9e36fe8aea0f..3e405f078ade 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_migrate.c @@ -661,9 +661,12 @@ svm_migrate_vma_to_ram(struct amdgpu_device *adev, struct svm_range *prange, migrate.vma = vma; migrate.start = start; migrate.end = end; - migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE; migrate.pgmap_owner = SVM_ADEV_PGMAP_OWNER(adev); + if (adev->gmc.xgmi.connected_to_cpu) + migrate.flags = MIGRATE_VMA_SELECT_DEVICE_COHERENT; + else + migrate.flags = MIGRATE_VMA_SELECT_DEVICE_PRIVATE; size = 2 * sizeof(*migrate.src) + sizeof(uint64_t) + sizeof(dma_addr_t); size *= npages; buf = kvmalloc(size, GFP_KERNEL | __GFP_ZERO); -- 2.32.0
next prev parent reply other threads:[~2022-01-27 3:10 UTC|newest] Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-27 3:09 [PATCH v4 00/10] Add MEMORY_DEVICE_COHERENT for coherent device memory mapping Alex Sierra 2022-01-27 3:09 ` Alex Sierra 2022-01-27 3:09 ` [PATCH v4 01/10] mm: add zone device coherent type memory support Alex Sierra 2022-01-27 3:09 ` Alex Sierra 2022-01-28 1:57 ` Alistair Popple 2022-01-28 1:57 ` Alistair Popple 2022-01-27 3:09 ` [PATCH v4 02/10] mm: add device coherent vma selection for memory migration Alex Sierra 2022-01-27 3:09 ` Alex Sierra 2022-01-28 2:07 ` Alistair Popple 2022-01-28 2:07 ` Alistair Popple 2022-01-27 3:09 ` [PATCH v4 03/10] mm/gup: fail get_user_pages for LONGTERM dev coherent type Alex Sierra 2022-01-27 3:09 ` Alex Sierra 2022-01-28 2:36 ` Alistair Popple 2022-01-28 2:36 ` Alistair Popple 2022-01-27 3:09 ` [PATCH v4 04/10] drm/amdkfd: add SPM support for SVM Alex Sierra 2022-01-27 3:09 ` Alex Sierra 2022-01-28 2:38 ` Alistair Popple 2022-01-28 2:38 ` Alistair Popple 2022-01-27 3:09 ` Alex Sierra [this message] 2022-01-27 3:09 ` [PATCH v4 05/10] drm/amdkfd: coherent type as sys mem on migration to ram Alex Sierra 2022-01-27 3:09 ` [PATCH v4 06/10] lib: test_hmm add ioctl to get zone device type Alex Sierra 2022-01-27 3:09 ` Alex Sierra 2022-01-28 4:22 ` Alistair Popple 2022-01-28 4:22 ` Alistair Popple 2022-01-27 3:09 ` [PATCH v4 07/10] lib: test_hmm add module param for " Alex Sierra 2022-01-27 3:09 ` Alex Sierra 2022-01-28 4:22 ` Alistair Popple 2022-01-28 4:22 ` Alistair Popple 2022-01-27 3:09 ` [PATCH v4 08/10] lib: add support for device coherent type in test_hmm Alex Sierra 2022-01-27 3:09 ` Alex Sierra 2022-01-28 4:25 ` Alistair Popple 2022-01-28 4:25 ` Alistair Popple 2022-01-27 3:09 ` [PATCH v4 09/10] tools: update hmm-test to support device coherent type Alex Sierra 2022-01-27 3:09 ` Alex Sierra 2022-01-27 3:09 ` [PATCH v4 10/10] tools: update test_hmm script to support SP config Alex Sierra 2022-01-27 3:09 ` Alex Sierra 2022-01-27 22:32 ` [PATCH v4 00/10] Add MEMORY_DEVICE_COHERENT for coherent device memory mapping Andrew Morton 2022-01-27 22:32 ` Andrew Morton 2022-01-27 23:20 ` Sierra Guiza, Alejandro (Alex) 2022-01-27 23:20 ` Sierra Guiza, Alejandro (Alex) 2022-01-28 7:08 ` Andrew Morton 2022-01-28 7:08 ` Andrew Morton 2022-01-28 15:00 ` Deucher, Alexander 2022-01-28 15:00 ` Deucher, Alexander 2022-01-28 17:09 ` Felix Kuehling 2022-01-28 17:09 ` Felix Kuehling 2022-02-02 14:57 ` Christoph Hellwig 2022-02-02 14:57 ` Christoph Hellwig 2022-02-02 15:42 ` Jason Gunthorpe 2022-02-02 15:42 ` Jason Gunthorpe
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