As noted in:
https://www.kernel.org/doc/Documentation/kbuild/kconfig-language.txt
"select should be used with care. select will force a symbol to a
value without visiting the dependencies."
Config VIRTIO_MEM should not select CONTIG_ALLOC directly.
Otherwise it will cause an error:
https://bugzilla.kernel.org/show_bug.cgi?id=208245
Signed-off-by: Weilong Chen <chenweilong@xxxxxxxxxx>
---
drivers/virtio/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
index 5809e5f5b157..5c92e4a50882 100644
--- a/drivers/virtio/Kconfig
+++ b/drivers/virtio/Kconfig
@@ -85,7 +85,7 @@ config VIRTIO_MEM
depends on VIRTIO
depends on MEMORY_HOTPLUG_SPARSE
depends on MEMORY_HOTREMOVE
- select CONTIG_ALLOC
+ depends on CONTIG_ALLOC
help
This driver provides access to virtio-mem paravirtualized memory
devices, allowing to hotplug and hotunplug memory.