Re: [PATCH v3 0/9] efi/libstub: Avoid UTF-16 conversion busywork

[Vincent Mailhol]

On 16/09/2026 at 16:46, Ard Biesheuvel wrote:
> From: Ard Biesheuvel <ardb@xxxxxxxxxx>
> 
> The EFI libstub performs some redundant conversions between UTF-16 and
> UTF-8 and back again, which includes dealing with surrogate pairs, which
> UEFI implementations themselves simply ignore.
> 
> So drop all the homegrown code, and use the existing UCS-2 (== UTF-16
> without surrogate pairs) library code where conversion to UTF-8 is
> actually needed (the kernel command line).
> 
> The remaining handling involves the EFI console, which supports wide
> characters natively, so just use those directly.

This v3 looks good to me and runs fine.

Patch 8 still uses spaces instead of tabulation for indentations. But,
notwithstanding of that and for the full series:

Reviewed-by: Vincent Mailhol <mailhol@xxxxxxxxxx>


Yours sincerely,
Vincent Mailhol