[PATCH v4 02/22] klp-build: Reject patches to init/*.c

Josh Poimboeuf jpoimboe at kernel.org
Sat Aug 8 16:17:06 PDT 2026


init/Makefile hard-codes -fno-function-sections and -fno-data-sections,
overriding the klp-build flags needed for patch generation.

Don't allow any changes to those files; being init code they aren't
really patchable anyway.

Acked-by: Song Liu <song at kernel.org>
Acked-by: Miroslav Benes <mbenes at suse.cz>
Signed-off-by: Josh Poimboeuf <jpoimboe at kernel.org>
---
 scripts/livepatch/klp-build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/livepatch/klp-build b/scripts/livepatch/klp-build
index b52a8489d9f67..b311f290b1406 100755
--- a/scripts/livepatch/klp-build
+++ b/scripts/livepatch/klp-build
@@ -365,7 +365,7 @@ check_unsupported_patches() {
 
 		for file in "${files[@]}"; do
 			case "$file" in
-				lib/*|*/vdso/*|*/realmode/rm/*|*.S)
+				lib/*|*/vdso/*|*/realmode/rm/*|init/*|*.S)
 					die "${patch}: unsupported patch to $file"
 					;;
 			esac
-- 
2.54.0




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