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| author | Arnd Bergmann <arnd@arndb.de> | 2024-06-23 23:36:12 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-07-12 15:52:10 -0700 |
| commit | 725553d202dda60dc17a142c80fd96bdf6ca43db (patch) | |
| tree | 09df242102d6b0c71e190ad3ba85ebd4460f6c64 /drivers/dma-buf | |
| parent | 89c1905d9c140372b7f50ef48f42378cf85d9bc5 (diff) | |
| download | lwn-725553d202dda60dc17a142c80fd96bdf6ca43db.tar.gz lwn-725553d202dda60dc17a142c80fd96bdf6ca43db.zip | |
udmabuf: add CONFIG_MMU dependency
There is no !CONFIG_MMU version of vmf_insert_pfn():
arm-linux-gnueabi-ld: drivers/dma-buf/udmabuf.o: in function `udmabuf_vm_fault':
udmabuf.c:(.text+0xaa): undefined reference to `vmf_insert_pfn'
Link: https://lkml.kernel.org/r/20240624063952.1572359-5-vivek.kasireddy@intel.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Dongwon Kim <dongwon.kim@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Junxiao Chang <junxiao.chang@intel.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Peter Xu <peterx@redhat.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers/dma-buf')
| -rw-r--r-- | drivers/dma-buf/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma-buf/Kconfig b/drivers/dma-buf/Kconfig index e4dc53a36428..b46eb8a552d7 100644 --- a/drivers/dma-buf/Kconfig +++ b/drivers/dma-buf/Kconfig @@ -35,6 +35,7 @@ config UDMABUF default n depends on DMA_SHARED_BUFFER depends on MEMFD_CREATE || COMPILE_TEST + depends on MMU help A driver to let userspace turn memfd regions into dma-bufs. Qemu can use this to create host dmabufs for guest framebuffers. |