From 37fac070eb1e59db81a9b3b18340083878a0a2c9 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Wed, 24 Sep 2025 21:47:58 +0200 Subject: [PATCH] Documentation: kbuild: note CONFIG_DEBUG_EFI in reproducible builds CONFIG_EFI_DEBUG embeds absolute file paths into object files, which makes the resulting vmlinux specific to the build environment. Add a note about this in reproducible-builds.rst Signed-off-by: Masahiro Yamada Signed-off-by: Nicolas Schier Reviewed-by: Randy Dunlap Tested-by: Randy Dunlap Link: https://patch.msgid.link/20250924-kbuild-doc-config-debug-efi-in-reproducible-builds-v2-1-d2d6b9dcdb7d@kernel.org Signed-off-by: Nathan Chancellor --- Documentation/kbuild/reproducible-builds.rst | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/kbuild/reproducible-builds.rst b/Documentation/kbuild/reproducible-builds.rst index f2dcc39044e66..96d208e578cd5 100644 --- a/Documentation/kbuild/reproducible-builds.rst +++ b/Documentation/kbuild/reproducible-builds.rst @@ -61,6 +61,9 @@ supported. The Reproducible Builds web site has more information about these `prefix-map options`_. +Some CONFIG options such as `CONFIG_DEBUG_EFI` embed absolute paths in +object files. Such options should be disabled. + Generated files in source packages ---------------------------------- -- 2.47.3