Re: [PATCH 0/6] efi/x86: Avoid legacy decompressor during EFI boot

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On Wed, 26 Apr 2023 at 11:18, Borislav Petkov <bp@xxxxxxxxx> wrote:
>
> On Mon, Apr 24, 2023 at 06:57:20PM +0200, Ard Biesheuvel wrote:
> >  arch/x86/boot/compressed/efi_mixed.S           |  55 ---
> >  arch/x86/boot/compressed/head_32.S             |  24 --
> >  arch/x86/boot/compressed/head_64.S             |  39 +--
> >  arch/x86/boot/compressed/misc.c                |  44 ++-
> >  arch/x86/include/asm/efi.h                     |   2 +
> >  drivers/firmware/efi/libstub/efi-stub-helper.c |   4 +
> >  drivers/firmware/efi/libstub/x86-stub.c        | 360 +++++++++++++-------
> >  7 files changed, 279 insertions(+), 249 deletions(-)
>
> Upon a quick scan, I can't argue with that diffstat and would prefer
> a lot more if we did this instead of Evgeny's pile which touches a lot
> of nasty and hard to debug code which gets executed on *everything*.
>
> So if people agree with that approach, I'd gladly give it a more
> detailed look.
>

I think the general approach is better, but to be honest, I may have
missed a thing or two, so it would be good if people more familiar
with the history could chime in.



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