* [PATCH] Documentation: kbuild: note CONFIG_DEBUG_EFI in reproducible builds
@ 2025-06-25 12:57 Masahiro Yamada
2025-06-25 17:07 ` Randy Dunlap
0 siblings, 1 reply; 2+ messages in thread
From: Masahiro Yamada @ 2025-06-25 12:57 UTC (permalink / raw)
To: linux-kbuild
Cc: Ard Biesheuvel, Ben Hutchings, Masahiro Yamada, Jonathan Corbet,
Nathan Chancellor, Nicolas Schier, linux-doc, linux-kernel
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 <masahiroy@kernel.org>
---
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 f2dcc39044e6..7a16dbc275ca 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` embeds absolute paths in
+object files. Such options should be disabled.
+
Generated files in source packages
----------------------------------
--
2.43.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] Documentation: kbuild: note CONFIG_DEBUG_EFI in reproducible builds
2025-06-25 12:57 [PATCH] Documentation: kbuild: note CONFIG_DEBUG_EFI in reproducible builds Masahiro Yamada
@ 2025-06-25 17:07 ` Randy Dunlap
0 siblings, 0 replies; 2+ messages in thread
From: Randy Dunlap @ 2025-06-25 17:07 UTC (permalink / raw)
To: Masahiro Yamada, linux-kbuild
Cc: Ard Biesheuvel, Ben Hutchings, Jonathan Corbet,
Nathan Chancellor, Nicolas Schier, linux-doc, linux-kernel
Hi,
On 6/25/25 5:57 AM, Masahiro Yamada wrote:
> 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 <masahiroy@kernel.org>
> ---
>
> 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 f2dcc39044e6..7a16dbc275ca 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` embeds absolute paths in
options embed
> +object files. Such options should be disabled.
> +
> Generated files in source packages
> ----------------------------------
>
--
~Randy
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2025-06-25 12:57 [PATCH] Documentation: kbuild: note CONFIG_DEBUG_EFI in reproducible builds Masahiro Yamada
2025-06-25 17:07 ` Randy Dunlap
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