Re: [RFC PATCH 25/28] x86: Use PIE codegen for the core kernel

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On Sun, Oct 6, 2024 at 8:01 PM David Laight <David.Laight@xxxxxxxxxx> wrote:
>
> ...
> > Due to the non-negligible impact of PIE, perhaps some kind of
> > CONFIG_PIE config definition should be introduced, so the assembly
> > code would be able to choose optimal asm sequence when PIE and non-PIE
> > is requested?
>
> I wouldn't have thought that performance mattered in the asm code
> that runs during startup?

No, not the code that runs only once, where performance impact can be tolerated.

This one:

https://lore.kernel.org/lkml/20240925150059.3955569-44-ardb+git@xxxxxxxxxx/

Uros.





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