diff mbox series

udmabuf: add CONFIG_MMU dependency

Message ID 20240528133138.2237237-1-arnd@kernel.org
State New
Headers show
Series udmabuf: add CONFIG_MMU dependency | expand

Commit Message

Arnd Bergmann May 28, 2024, 1:31 p.m. UTC 
From: Arnd Bergmann <arnd@arndb.de>

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'

Fixes: f7254e043ff1 ("udmabuf: use vmf_insert_pfn and VM_PFNMAP for handling mmap")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 drivers/dma-buf/Kconfig | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

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.