On Sat, 18 Jan 2020 10:33:01 -0800
Randy Dunlap [off-list ref] wrote:

On 1/10/20 8:03 AM, Masami Hiramatsu wrote:

quoted

diff --git a/init/Kconfig b/init/Kconfig
index a34064a031a5..63450d3bbf12 100644
--- a/init/Kconfig
+++ b/init/Kconfig

@@ -1215,6 +1215,17 @@ source "usr/Kconfig"
 
 endif
 
+config BOOT_CONFIG
+	bool "Boot config support"
+	select LIBXBC
+	default y
+	help
+	  Extra boot config allows system admin to pass a config file as
+	  complemental extension of kernel cmdline when booting.
+	  The boot config file is usually attached at the end of initramfs.

Is there some other location where it might be attached?
Please explain.

Oops, good catch!
No, it supports only initramfs.

I missed to leave the comment written in planning phase.
I need to update it.

Thank you!

quoted

+
+	  If unsure, say Y.
+
 choice
 	prompt "Compiler optimization level"
 	default CC_OPTIMIZE_FOR_PERFORMANCE

-- 
~Randy

-- 
Masami Hiramatsu [off-list ref]