[OE-core] [PATCH] recipes-kernel/linux: Enable NUMA Kconfig from MACHINE_FEATURES

[Alistair Francis]

If the user has set numa in their MACHINE_FEATURES we should enable
NUMA support in the kernel config.

Signed-off-by: Alistair Francis <alistair.francis at wdc.com>
---
 meta/recipes-kernel/linux/files/numa.cfg  | 4 ++++
 meta/recipes-kernel/linux/linux-yocto.inc | 3 +++
 2 files changed, 7 insertions(+)
 create mode 100644 meta/recipes-kernel/linux/files/numa.cfg

diff --git a/meta/recipes-kernel/linux/files/numa.cfg b/meta/recipes-kernel/linux/files/numa.cfg
new file mode 100644
index 0000000000..bb0f9ab20c
--- /dev/null
+++ b/meta/recipes-kernel/linux/files/numa.cfg
@@ -0,0 +1,4 @@
+CONFIG_NUMA=y
+CONFIG_ACPI_NUMA=y
+CONFIG_NUMA_BALANCING=y
+CONFIG_NUMA_BALANCING_DEFAULT_ENABLED=y
diff --git a/meta/recipes-kernel/linux/linux-yocto.inc b/meta/recipes-kernel/linux/linux-yocto.inc
index 3bb872a32a..e8fb38b8f4 100644
--- a/meta/recipes-kernel/linux/linux-yocto.inc
+++ b/meta/recipes-kernel/linux/linux-yocto.inc
@@ -28,6 +28,9 @@ KERNEL_LD_append_nios2 = " ${TOOLCHAIN_OPTIONS}"
 
 KERNEL_FEATURES_append_qemuall=" features/debug/printk.scc"
 
+SRC_URI += "${@bb.utils.contains('MACHINE_FEATURES', 'numa', ' file://numa.cfg', '', d)}"
+KERNEL_FEATURES_append = " ${@bb.utils.contains('MACHINE_FEATURES', 'numa', 'features/numa/numa.scc', '', d)}"
+
 # A KMACHINE is the mapping of a yocto $MACHINE to what is built
 # by the kernel. This is typically the branch that should be built,
 # and it can be specific to the machine or shared
-- 
2.17.0