build: add option KERNEL_DEBUG_INFO_BTF

[openwrt/staging/jow.git] / config / Config-kernel.in

diff --git a/config/Config-kernel.in b/config/Config-kernel.in
index e146107148b1f0721863175aaaad7daa5270a281..1a3f6a8bdc2f060e6b531b0e5a4465a60cd85204 100644 (file)
--- a/config/Config-kernel.in
+++ b/config/Config-kernel.in
@@ -373,6 +373,20 @@ config KERNEL_DEBUG_INFO
        help
          This will compile your kernel and modules with debug information.
 
+config KERNEL_DEBUG_INFO_BTF
+
+       bool "Enable additional BTF type information"
+       default n
+       depends on !HOST_OS_MACOS
+       depends on KERNEL_DEBUG_INFO && !KERNEL_DEBUG_INFO_REDUCED
+       select DWARVES
+       help
+         Generate BPF Type Format (BTF) information from DWARF debug info.
+         Turning this on expects presence of pahole tool, which will convert
+         DWARF type info into equivalent deduplicated BTF type info.
+
+         Required to run BPF CO-RE applications.
+
 config KERNEL_DEBUG_INFO_REDUCED
        bool "Reduce debugging information"
        default y