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-rw-r--r--meta-skeleton/recipes-kernel/linux/linux-yocto-custom.bb10
1 files changed, 10 insertions, 0 deletions
diff --git a/meta-skeleton/recipes-kernel/linux/linux-yocto-custom.bb b/meta-skeleton/recipes-kernel/linux/linux-yocto-custom.bb
index c3291064bb1..b1a0784c1b7 100644
--- a/meta-skeleton/recipes-kernel/linux/linux-yocto-custom.bb
+++ b/meta-skeleton/recipes-kernel/linux/linux-yocto-custom.bb
@@ -32,6 +32,16 @@
# patches: patches can be merged into to the source git tree itself,
# added via the SRC_URI, or controlled via a BSP
# configuration.
+#
+# defconfig: When a defconfig is provided, the linux-yocto configuration
+# uses the filename as a trigger to use a 'allnoconfig' baseline
+# before merging the defconfig into the build.
+#
+# If the defconfig file was created with make_savedefconfig,
+# not all options are specified, and should be restored with their
+# defaults, not set to 'n'. To properly expand a defconfig like
+# this, specify: KCONFIG_MODE="--alldefconfig" in the kernel
+# recipe.
#
# example configuration addition:
# SRC_URI += "file://smp.cfg"