On 13/11/2025 12:49 pm, Frediano Ziglio wrote:
> From: Frediano Ziglio <[email protected]>
>
> For xen.gz file we strip all symbols and have an additional
> xen-syms.efi file version with all symbols.
> Make xen.efi more coherent stripping all symbols too.
> xen-syms.efi can be used for debugging.
>
> Signed-off-by: Frediano Ziglio <[email protected]>
> ---
> Changes since v1:
> - avoid leaving target if some command fails.
>
> Changes since v2:
> - do not convert type but retain PE format;
> - use xen-syms.efi for new file name, more consistent with ELF.
>
> Changes since v3:
> - update documentation;
> - do not remove xen.efi.elf;
> - check endbr instruction before generating final target.
>
> Changes since v4:
> - simplify condition check;
> - avoid reuse of [email protected] file.
>
> Changes since v5:
> - avoid creation of temporary file.
>
> Changes since v6:
> - install xen-syms.efi;
> - always strip xen.efi;
> - restore EFI_LDFLAGS check during rule execution;
> - update CHANGELOG.md;
> - added xen-syms.efi to .gitignore.
> ---
>  .gitignore            |  1 +
>  CHANGELOG.md          |  3 +++
>  docs/misc/efi.pandoc  |  8 +-------
>  xen/Kconfig.debug     |  9 ++-------
>  xen/Makefile          | 25 +++----------------------
>  xen/arch/x86/Makefile | 11 ++++++++---
>  6 files changed, 18 insertions(+), 39 deletions(-)
>
> diff --git a/.gitignore b/.gitignore
> index d83427aba8..213972b65c 100644
> --- a/.gitignore
> +++ b/.gitignore
> @@ -222,6 +222,7 @@ tools/flask/policy/xenpolicy-*
>  xen/xen
>  xen/suppression-list.txt
>  xen/xen-syms
> +xen/xen-syms.efi
>  xen/xen-syms.map
>  xen/xen.*
>  
> diff --git a/CHANGELOG.md b/CHANGELOG.md
> index c9932a2af0..3bdcc3b47a 100644
> --- a/CHANGELOG.md
> +++ b/CHANGELOG.md
> @@ -65,6 +65,9 @@ The format is based on [Keep a 
> Changelog](https://keepachangelog.com/en/1.0.0/)
>        for hypervisor mode.
>  
>  ### Removed
> + - The install-time environment variable INSTALL_EFI_STRIP is no longer
> +   supported, xen.efi will is now always being stripped.

I'd rephrase this a little.  "... INSTALL_EFI_STRIP no longer exists. 
xen.efi is always stripped, while the symbols remain available in
xen-syms.efi."

Personally, I'd have put this in the Changed section rather than
Removed, but both can be adjusted together.

This bug is on the 4.21 tracking list.  CC'ing Oleksii.

~Andrew

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