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From: Jason Gunthorpe <jgg@ziepe.ca>
To: Jerome Glisse <jglisse@redhat.com>,
	Ralph Campbell <rcampbell@nvidia.com>,
	John Hubbard <jhubbard@nvidia.com>,
	Felix.Kuehling@amd.com
Cc: linux-rdma@vger.kernel.org, linux-mm@kvack.org,
	Andrea Arcangeli <aarcange@redhat.com>,
	dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
	Ben Skeggs <bskeggs@redhat.com>,
	Jason Gunthorpe <jgg@mellanox.com>,
	Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>,
	Boris Ostrovsky <boris.ostrovsky@oracle.com>,
	xen-devel@lists.xenproject.org, Juergen Gross <jgross@suse.com>,
	Stefano Stabellini <sstabellini@kernel.org>
Subject: [PATCH hmm 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER
Date: Tue, 15 Oct 2019 15:12:35 -0300	[thread overview]
Message-ID: <20191015181242.8343-9-jgg@ziepe.ca> (raw)
In-Reply-To: <20191015181242.8343-1-jgg@ziepe.ca>

From: Jason Gunthorpe <jgg@mellanox.com>

DMA_SHARED_BUFFER can not be enabled by the user (it represents a library
set in the kernel). The kconfig convention is to use select for such
symbols so they are turned on implicitly when the user enables a kconfig
that needs them.

Otherwise the XEN_GNTDEV_DMABUF kconfig is overly difficult to enable.

Fixes: 932d6562179e ("xen/gntdev: Add initial support for dma-buf UAPI")
Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: xen-devel@lists.xenproject.org
Cc: Juergen Gross <jgross@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
---
 drivers/xen/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index 79cc75096f4232..a50dadd0109336 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -141,7 +141,8 @@ config XEN_GNTDEV
 
 config XEN_GNTDEV_DMABUF
 	bool "Add support for dma-buf grant access device driver extension"
-	depends on XEN_GNTDEV && XEN_GRANT_DMA_ALLOC && DMA_SHARED_BUFFER
+	depends on XEN_GNTDEV && XEN_GRANT_DMA_ALLOC
+	select DMA_SHARED_BUFFER
 	help
 	  Allows userspace processes and kernel modules to use Xen backed
 	  dma-buf implementation. With this extension grant references to
-- 
2.23.0


  parent reply	other threads:[~2019-10-15 18:17 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-15 18:12 [PATCH hmm 00/15] Consolidate the mmu notifier interval_tree and locking Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 01/15] mm/mmu_notifier: define the header pre-processor parts even if disabled Jason Gunthorpe
2019-10-21 18:32   ` Jerome Glisse
2019-10-15 18:12 ` [PATCH hmm 02/15] mm/mmu_notifier: add an interval tree notifier Jason Gunthorpe
2019-10-21 18:30   ` Jerome Glisse
2019-10-21 18:54     ` Jason Gunthorpe
2019-10-21 19:11       ` Jerome Glisse
2019-10-21 19:24         ` Jason Gunthorpe
2019-10-21 19:47           ` Jerome Glisse
2019-10-27 23:15   ` Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 03/15] mm/hmm: allow hmm_range to be used with a mmu_range_notifier or hmm_mirror Jason Gunthorpe
2019-10-21 18:33   ` Jerome Glisse
2019-10-15 18:12 ` [PATCH hmm 04/15] mm/hmm: define the pre-processor related parts of hmm.h even if disabled Jason Gunthorpe
2019-10-21 18:31   ` Jerome Glisse
2019-10-15 18:12 ` [PATCH hmm 05/15] RDMA/odp: Use mmu_range_notifier_insert() Jason Gunthorpe
2019-11-04 20:25   ` Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 06/15] RDMA/hfi1: Use mmu_range_notifier_inset for user_exp_rcv Jason Gunthorpe
2019-10-29 12:15   ` Dennis Dalessandro
2019-10-15 18:12 ` [PATCH hmm 07/15] drm/radeon: use mmu_range_notifier_insert Jason Gunthorpe
2019-10-15 18:12 ` Jason Gunthorpe [this message]
2019-10-16  5:11   ` [PATCH hmm 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER Jürgen Groß
2019-10-16  6:35     ` Oleksandr Andrushchenko
2019-10-21 19:12       ` Jason Gunthorpe
2019-10-28  6:25         ` [Xen-devel] " Oleksandr Andrushchenko
2019-10-15 18:12 ` [PATCH hmm 09/15] xen/gntdev: use mmu_range_notifier_insert Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 10/15] nouveau: use mmu_notifier directly for invalidate_range_start Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 11/15] nouveau: use mmu_range_notifier instead of hmm_mirror Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 12/15] drm/amdgpu: Call find_vma under mmap_sem Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 13/15] drm/amdgpu: Use mmu_range_insert instead of hmm_mirror Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 14/15] drm/amdgpu: Use mmu_range_notifier " Jason Gunthorpe
2019-10-15 18:12 ` [PATCH hmm 15/15] mm/hmm: remove hmm_mirror and related Jason Gunthorpe
2019-10-21 18:38   ` Jerome Glisse
2019-10-21 18:57     ` Jason Gunthorpe
2019-10-21 19:19       ` Jerome Glisse
2019-10-16  8:58 ` [PATCH hmm 00/15] Consolidate the mmu notifier interval_tree and locking Christian König
2019-10-16 16:04   ` Jason Gunthorpe
2019-10-17  8:54     ` Christian König
2019-10-17 16:26       ` Yang, Philip
2019-10-17 16:47         ` Koenig, Christian
2019-10-18 20:36           ` Jason Gunthorpe
2019-10-20 14:21             ` Koenig, Christian
2019-10-21 13:57               ` Jason Gunthorpe
2019-10-21 14:28                 ` Koenig, Christian
2019-10-21 15:12                   ` Jason Gunthorpe
2019-10-22  7:57                     ` Daniel Vetter
2019-10-22 15:01                       ` Jason Gunthorpe
2019-10-23  9:08                         ` Daniel Vetter
2019-10-23  9:32                           ` Christian König
2019-10-23 16:52                             ` Jerome Glisse
2019-10-23 17:24                               ` Jason Gunthorpe
2019-10-24  2:16                                 ` Christoph Hellwig
2019-10-21 15:55 ` Dennis Dalessandro
2019-10-21 16:58   ` Jason Gunthorpe
2019-10-22 11:56     ` Dennis Dalessandro
2019-10-22 14:37       ` Jason Gunthorpe
2019-10-21 18:40 ` Jerome Glisse
2019-10-21 19:06   ` Jason Gunthorpe
2019-10-23 20:26     ` Jerome Glisse

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