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Re: [PATCH for-4.22] xen/x86: Always strip xen.efi
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Frediano Ziglio <freddy77@xxxxxxxxx>
- Date: Tue, 16 Jun 2026 15:07:38 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Frediano Ziglio <frediano.ziglio@xxxxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>, Teddy Astie <teddy.astie@xxxxxxxxxx>, Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>, Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>, "Daniel P . Smith" <dpsmith@xxxxxxxxxxxxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Tue, 16 Jun 2026 14:08:02 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Thu, 11 Jun 2026 at 15:42, Jan Beulich <jbeulich@xxxxxxxx> wrote:
>
> On 11.06.2026 16:38, Jan Beulich wrote:
> > On 08.06.2026 19:31, Andrew Cooper wrote:
> >> Some old versions of binutils ld managed to produce efi files which the
> >> matching version of strip couldn't process. This includes Binutils 2.26
> >> included in Ubuntu 16.04. Delete the workaround for this bug, and require
> >> a
> >> less broken toolchain.
> >
> > And we're certain newer versions of strip don't do any harm to the binaries?
> > Already towards Frediano's posting I said that having looked at how things
> > work there, I'm far from certain.
>
> I should have added: An option may be to link twice: Once with debug info
> included, and once with it stripped. Personally I trust the linker creating
> the various headers, including the section ones, more than strip's (or
> objcopy's). Yet then I can only repeat my observation that linking PE+ from
> ELF inputs looks to be significantly slower than linking ELF -> ELF.
>
> Jan
>
That was also attempted. See previous versions. And no, it does not work.
Frediano
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