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From: Christoph Hellwig <hch@lst.de>
To: "Dan Williams" <dan.j.williams@intel.com>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	"Jason Gunthorpe" <jgg@mellanox.com>,
	"Ben Skeggs" <bskeggs@redhat.com>
Cc: linux-nvdimm@lists.01.org, linux-pci@vger.kernel.org,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
	linux-mm@kvack.org, nouveau@lists.freedesktop.org
Subject: [PATCH 25/25] mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR
Date: Mon, 17 Jun 2019 14:27:33 +0200	[thread overview]
Message-ID: <20190617122733.22432-26-hch@lst.de> (raw)
In-Reply-To: <20190617122733.22432-1-hch@lst.de>

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@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
---
 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 7fa785551f96..55c9c661e2ee 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

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Linux-nvdimm@lists.01.org
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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: "Dan Williams" <dan.j.williams@intel.com>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	"Jason Gunthorpe" <jgg@mellanox.com>,
	"Ben Skeggs" <bskeggs@redhat.com>
Cc: linux-mm@kvack.org, nouveau@lists.freedesktop.org,
	dri-devel@lists.freedesktop.org, linux-nvdimm@lists.01.org,
	linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 25/25] mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR
Date: Mon, 17 Jun 2019 14:27:33 +0200	[thread overview]
Message-ID: <20190617122733.22432-26-hch@lst.de> (raw)
In-Reply-To: <20190617122733.22432-1-hch@lst.de>

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@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
---
 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 7fa785551f96..55c9c661e2ee 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


WARNING: multiple messages have this Message-ID (diff)
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: Mon, 17 Jun 2019 14:27:33 +0200	[thread overview]
Message-ID: <20190617122733.22432-26-hch@lst.de> (raw)
In-Reply-To: <20190617122733.22432-1-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 7fa785551f96..55c9c661e2ee 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

  parent reply	other threads:[~2019-06-17 12:28 UTC|newest]

Thread overview: 119+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-17 12:27 dev_pagemap related cleanups v2 Christoph Hellwig
2019-06-17 12:27 ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 01/25] mm: remove the unused ARCH_HAS_HMM_DEVICE Kconfig option Christoph Hellwig
2019-06-17 12:27 ` [PATCH 02/25] mm: remove the struct hmm_device infrastructure Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 03/25] mm: remove hmm_devmem_add_resource Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 04/25] mm: don't clear ->mapping in hmm_devmem_free Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 05/25] mm: export alloc_pages_vma Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
     [not found] ` <20190617122733.22432-1-hch-jcswGhMUV9g@public.gmane.org>
2019-06-17 12:27   ` [PATCH 06/25] mm: factor out a devm_request_free_mem_region helper Christoph Hellwig
2019-06-17 12:27     ` Christoph Hellwig
2019-06-17 17:37     ` Dan Williams
2019-06-17 17:37       ` Dan Williams
2019-06-17 17:37       ` Dan Williams
2019-06-17 17:40       ` Christoph Hellwig
2019-06-17 17:42         ` Christoph Hellwig
2019-06-17 17:42           ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 07/25] memremap: validate the pagemap type passed to devm_memremap_pages Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 19:02   ` Dan Williams
2019-06-17 19:02     ` Dan Williams
2019-06-17 19:02     ` Dan Williams
2019-06-17 19:54     ` Christoph Hellwig
2019-06-17 19:54       ` Christoph Hellwig
2019-06-17 19:54       ` Christoph Hellwig
2019-06-17 20:36       ` Dan Williams
2019-06-17 20:36         ` Dan Williams
2019-06-17 12:27 ` [PATCH 08/25] memremap: move dev_pagemap callbacks into a separate structure Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 17:51   ` Dan Williams
2019-06-17 17:51     ` Dan Williams
2019-06-17 19:55     ` Christoph Hellwig
2019-06-17 19:55       ` Christoph Hellwig
2019-06-17 19:55       ` Christoph Hellwig
2019-06-17 21:09       ` Dan Williams
2019-06-17 21:09         ` Dan Williams
2019-06-17 21:09         ` Dan Williams
2019-06-17 20:08   ` Logan Gunthorpe
2019-06-17 20:08     ` Logan Gunthorpe
2019-06-17 20:09     ` Christoph Hellwig
2019-06-17 20:09       ` Christoph Hellwig
2019-06-17 20:09       ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 09/25] memremap: pass a struct dev_pagemap to ->kill and ->cleanup Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 10/25] memremap: lift the devmap_enable manipulation into devm_memremap_pages Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 19:25   ` Dan Williams
2019-06-17 19:25     ` Dan Williams
2019-06-17 19:25     ` Dan Williams
2019-06-17 12:27 ` [PATCH 11/25] memremap: add a migrate_to_ram method to struct dev_pagemap_ops Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 12/25] memremap: remove the data field in struct dev_pagemap Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 13/25] memremap: replace the altmap_valid field with a PGMAP_ALTMAP_VALID flag Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 14/25] memremap: provide an optional internal refcount in struct dev_pagemap Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 15/25] device-dax: use the dev_pagemap internal refcount Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-18 19:43   ` Dan Williams
2019-06-18 19:43     ` Dan Williams
2019-06-17 12:27 ` [PATCH 16/25] PCI/P2PDMA: " Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 20:10   ` Logan Gunthorpe
2019-06-17 20:10     ` Logan Gunthorpe
2019-06-17 20:10     ` Logan Gunthorpe
2019-06-17 12:27 ` [PATCH 17/25] nouveau: use alloc_page_vma directly Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 18/25] nouveau: use devm_memremap_pages directly Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 19/25] mm: remove hmm_vma_alloc_locked_page Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 20/25] mm: remove hmm_devmem_add Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 21/25] mm: mark DEVICE_PUBLIC as broken Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 22/25] mm: simplify ZONE_DEVICE page private data Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 23/25] mm: sort out the DEVICE_PRIVATE Kconfig mess Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` [PATCH 24/25] mm: remove the HMM config option Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-17 12:27 ` Christoph Hellwig [this message]
2019-06-17 12:27   ` [PATCH 25/25] mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR Christoph Hellwig
2019-06-17 12:27   ` Christoph Hellwig
2019-06-18 19:47 ` dev_pagemap related cleanups v2 Dan Williams
2019-06-18 19:47   ` Dan Williams
2019-06-19  9:40   ` Christoph Hellwig
2019-06-19 16:36     ` Jason Gunthorpe
2019-06-19 16:46       ` Dan Williams
2019-06-19 16:46         ` Dan Williams
2019-06-19 18:19         ` Jason Gunthorpe
2019-06-20  6:32           ` Christoph Hellwig
2019-06-20  6:32             ` Christoph Hellwig
2019-06-26 12:26 dev_pagemap related cleanups v3 Christoph Hellwig
2019-06-26 12:27 ` [PATCH 25/25] mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR Christoph Hellwig
2019-06-26 12:27   ` Christoph Hellwig
2019-06-26 12:27   ` Christoph Hellwig

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