On 12.11.2025 15:21, Frediano Ziglio wrote:
> On Mon, 10 Nov 2025 at 16:01, Jan Beulich <[email protected]> wrote:
>>
>> On 10.11.2025 16:35, 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.
>>> ---
>>>  docs/misc/efi.pandoc  |  8 +-------
>>>  xen/Kconfig.debug     |  9 ++-------
>>>  xen/Makefile          | 19 -------------------
>>>  xen/arch/x86/Makefile | 16 ++++++++++------
>>>  4 files changed, 13 insertions(+), 39 deletions(-)
>>>
>>> diff --git a/docs/misc/efi.pandoc b/docs/misc/efi.pandoc
>>> index 11c1ac3346..c66b18a66b 100644
>>> --- a/docs/misc/efi.pandoc
>>> +++ b/docs/misc/efi.pandoc
>>> @@ -20,13 +20,7 @@ Xen to load the configuration file even if multiboot 
>>> modules are found.
>>>  Once built, `make install-xen` will place the resulting binary directly 
>>> into
>>>  the EFI boot partition, provided `EFI_VENDOR` is set in the environment 
>>> (and
>>>  `EFI_MOUNTPOINT` is overridden as needed, should the default of 
>>> `/boot/efi` not
>>> -match your system). When built with debug info, the binary can be quite 
>>> large.
>>> -Setting `INSTALL_EFI_STRIP=1` in the environment will cause it to be 
>>> stripped
>>> -of debug info in the process of installing. `INSTALL_EFI_STRIP` can also 
>>> be set
>>> -to any combination of options suitable to pass to `strip`, in case the 
>>> default
>>> -ones don't do. The xen.efi binary will also be installed in 
>>> `/usr/lib64/efi/`,
>>> -unless `EFI_DIR` is set in the environment to override this default. This
>>> -binary will not be stripped in the process.
>>> +match your system).
>>
>> This behavioral change likely also calls for a ChangeLog entry, btw.
> 
>   I'm not familiar with the format/style of this file.
> 
> Could it be simply
> 
> ### Removed
> - ...current list ...
> - INSTALL_EFI_STRIP environment was removed, xen.efi will be stripped.
> 
> ?

Not sure if it would better go under Removed or Changed. I'd also be a
little more verbose here, to provide context. E.g. "The install-time
environment variable INSTALL_EFI_STRIP is no longer supported, xen.efi
will is now always being stripped."

> For simplicity, should we always strip xen.efi and provide also
> xen-syms.efi only if debug info is enabled?
> It would probably be more consistent.

That's an option, I suppose.

Jan

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