From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org> To: "Dan Williams" <dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, "Jérôme Glisse" <jglisse-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, "Jason Gunthorpe" <jgg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>, "Ben Skeggs" <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> Cc: linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, linux-pci-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Subject: [PATCH 25/25] mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR Date: Wed, 26 Jun 2019 14:27:24 +0200 Message-ID: <20190626122724.13313-26-hch@lst.de> (raw) In-Reply-To: <20190626122724.13313-1-hch-jcswGhMUV9g@public.gmane.org> The migrate_vma helper is only used by noveau to migrate device private pages around. Other HMM_MIRROR users like amdgpu or infiniband don't need it. Signed-off-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org> Reviewed-by: Jason Gunthorpe <jgg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> --- drivers/gpu/drm/nouveau/Kconfig | 1 + mm/Kconfig | 1 - 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/Kconfig b/drivers/gpu/drm/nouveau/Kconfig index 66c839d8e9d1..96b9814e6d06 100644 --- a/drivers/gpu/drm/nouveau/Kconfig +++ b/drivers/gpu/drm/nouveau/Kconfig @@ -88,6 +88,7 @@ config DRM_NOUVEAU_SVM depends on DRM_NOUVEAU depends on HMM_MIRROR depends on STAGING + select MIGRATE_VMA_HELPER default n help Say Y here if you want to enable experimental support for diff --git a/mm/Kconfig b/mm/Kconfig index 1e426c26b1d6..40cf0562412d 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -680,7 +680,6 @@ config HMM_MIRROR depends on (X86_64 || PPC64) depends on MMU && 64BIT select MMU_NOTIFIER - select MIGRATE_VMA_HELPER help Select HMM_MIRROR if you want to mirror range of the CPU page table of a process into a device page table. Here, mirror means "keep synchronized". -- 2.20.1
next prev parent reply index Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-06-26 12:26 dev_pagemap related cleanups v3 Christoph Hellwig 2019-06-26 12:27 ` [PATCH 01/25] mm: remove the unused ARCH_HAS_HMM_DEVICE Kconfig option Christoph Hellwig 2019-06-26 12:27 ` [PATCH 03/25] mm: remove hmm_devmem_add_resource Christoph Hellwig 2019-06-27 16:18 ` Jason Gunthorpe [not found] ` <20190627161813.GB9499-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> 2019-06-27 16:54 ` Christoph Hellwig 2019-06-26 12:27 ` [PATCH 09/25] memremap: move dev_pagemap callbacks into a separate structure Christoph Hellwig [not found] ` <20190626122724.13313-1-hch-jcswGhMUV9g@public.gmane.org> 2019-06-26 12:27 ` [PATCH 02/25] mm: remove the struct hmm_device infrastructure Christoph Hellwig 2019-06-26 12:27 ` [PATCH 04/25] mm: remove MEMORY_DEVICE_PUBLIC support Christoph Hellwig 2019-06-26 16:00 ` Dan Williams [not found] ` <CAPcyv4gTOf+EWzSGrFrh2GrTZt5HVR=e+xicUKEpiy57px8J+w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2019-06-26 17:14 ` Ira Weiny [not found] ` <20190626171445.GA4605-J5EW/p2F9lUlb2qzJQmr9q2pdiUAq4bhAL8bYrjMMd8@public.gmane.org> 2019-06-26 18:49 ` Ira Weiny 2019-06-26 12:27 ` [PATCH 05/25] mm: don't clear ->mapping in hmm_devmem_free Christoph Hellwig 2019-06-26 12:27 ` [PATCH 06/25] mm: export alloc_pages_vma Christoph Hellwig 2019-06-26 12:36 ` Michal Hocko 2019-06-26 12:27 ` [PATCH 07/25] mm: factor out a devm_request_free_mem_region helper Christoph Hellwig 2019-06-26 12:27 ` [PATCH 08/25] memremap: validate the pagemap type passed to devm_memremap_pages Christoph Hellwig [not found] ` <20190626122724.13313-9-hch-jcswGhMUV9g@public.gmane.org> 2019-06-26 18:01 ` Ira Weiny 2019-06-26 12:27 ` [PATCH 10/25] memremap: pass a struct dev_pagemap to ->kill and ->cleanup Christoph Hellwig 2019-06-26 12:27 ` [PATCH 11/25] memremap: lift the devmap_enable manipulation into devm_memremap_pages Christoph Hellwig [not found] ` <20190626122724.13313-12-hch-jcswGhMUV9g@public.gmane.org> 2019-06-26 19:04 ` Ira Weiny 2019-06-27 8:50 ` Christoph Hellwig 2019-06-26 12:27 ` [PATCH 12/25] memremap: add a migrate_to_ram method to struct dev_pagemap_ops Christoph Hellwig [not found] ` <20190626122724.13313-13-hch-jcswGhMUV9g@public.gmane.org> 2019-06-27 16:29 ` Jason Gunthorpe [not found] ` <20190627162439.GD9499-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> 2019-06-27 16:53 ` Christoph Hellwig 2019-06-26 12:27 ` [PATCH 13/25] memremap: remove the data field in struct dev_pagemap Christoph Hellwig 2019-06-26 12:27 ` [PATCH 14/25] memremap: replace the altmap_valid field with a PGMAP_ALTMAP_VALID flag Christoph Hellwig 2019-06-26 21:13 ` Ira Weiny 2019-06-26 12:27 ` [PATCH 15/25] memremap: provide an optional internal refcount in struct dev_pagemap Christoph Hellwig 2019-06-26 21:47 ` Ira Weiny [not found] ` <20190626214750.GC8399-J5EW/p2F9lUlb2qzJQmr9q2pdiUAq4bhAL8bYrjMMd8@public.gmane.org> 2019-06-27 8:51 ` Christoph Hellwig 2019-06-26 12:27 ` [PATCH 16/25] device-dax: use the dev_pagemap internal refcount Christoph Hellwig [not found] ` <20190626122724.13313-17-hch-jcswGhMUV9g@public.gmane.org> 2019-06-26 21:48 ` Ira Weiny 2019-06-28 15:38 ` Jason Gunthorpe 2019-06-28 16:27 ` Dan Williams [not found] ` <CAPcyv4joSiFMeYq=D08C-QZSkHz0kRpvRfseNQWrN34Rrm+S7g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2019-06-28 17:02 ` Jason Gunthorpe 2019-06-28 17:08 ` Dan Williams [not found] ` <CAPcyv4ja9DVL2zuxuSup8x3VOT_dKAOS8uBQweE9R81vnYRNWg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2019-06-28 17:10 ` Dan Williams [not found] ` <CAPcyv4iWTe=vOXUqkr_CguFrFRqgA7hJSt4J0B3RpuP-Okz0Vw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2019-06-28 18:29 ` Jason Gunthorpe 2019-06-28 18:44 ` Dan Williams 2019-06-28 18:51 ` Christoph Hellwig 2019-06-28 18:59 ` Dan Williams 2019-06-28 19:02 ` Christoph Hellwig [not found] ` <20190628190207.GA9317-jcswGhMUV9g@public.gmane.org> 2019-06-28 19:14 ` Dan Williams 2019-07-02 22:35 ` Andrew Morton 2019-06-26 12:27 ` [PATCH 17/25] PCI/P2PDMA: " Christoph Hellwig [not found] ` <20190626122724.13313-18-hch-jcswGhMUV9g@public.gmane.org> 2019-06-26 21:49 ` Ira Weiny 2019-06-27 18:49 ` Logan Gunthorpe 2019-06-26 12:27 ` [PATCH 18/25] nouveau: use alloc_page_vma directly Christoph Hellwig 2019-06-26 12:27 ` [PATCH 19/25] nouveau: use devm_memremap_pages directly Christoph Hellwig 2019-06-26 12:27 ` [PATCH 20/25] mm: remove hmm_vma_alloc_locked_page Christoph Hellwig 2019-06-27 16:26 ` Jason Gunthorpe 2019-06-26 12:27 ` [PATCH 22/25] mm: simplify ZONE_DEVICE page private data Christoph Hellwig 2019-06-26 12:27 ` [PATCH 23/25] mm: sort out the DEVICE_PRIVATE Kconfig mess Christoph Hellwig 2019-06-26 21:36 ` Ira Weiny 2019-06-26 12:27 ` [PATCH 24/25] mm: remove the HMM config option Christoph Hellwig [not found] ` <20190626122724.13313-25-hch-jcswGhMUV9g@public.gmane.org> 2019-06-26 21:38 ` Ira Weiny 2019-06-27 16:29 ` Jason Gunthorpe 2019-06-26 12:27 ` Christoph Hellwig [this message] 2019-06-26 12:27 ` [PATCH 21/25] mm: remove hmm_devmem_add Christoph Hellwig -- strict thread matches above, loose matches on Subject: below -- 2019-06-17 12:27 dev_pagemap related cleanups v2 Christoph Hellwig [not found] ` <20190617122733.22432-1-hch-jcswGhMUV9g@public.gmane.org> 2019-06-17 12:27 ` [PATCH 25/25] mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR Christoph Hellwig
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