On Wed, 14 Oct 2026 at 21:23, Harsimran Singh Tungal
<[email protected]> wrote:
>
> Mark u16_strsize() as __efi_runtime so it can be called from the EFI
> runtime variable paths added for FF-A/MM communication after
> ExitBootServices().

This commit needs to move earlier in the chain, before you swap any of
the runtime function assignments otherwise linux will crash during
boot.

Cheers
/Ilias
>
> Reviewed-by: Simon Glass <[email protected]>
> Reviewed-by: Abdellatif El Khlifi <[email protected]>
> Signed-off-by: Harsimran Singh Tungal <[email protected]>
>
> ---
> Changelog:
> ===============
>
> v2:
>
> Simon:
>
> - Split the `u16_strsize()` runtime annotation to a separate patch
> ---
>  lib/charset.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/charset.c b/lib/charset.c
> index 182c92a50c4..738ad1352de 100644
> --- a/lib/charset.c
> +++ b/lib/charset.c
> @@ -407,7 +407,7 @@ size_t __efi_runtime u16_strnlen(const u16 *in, size_t 
> count)
>         return i;
>  }
>
> -size_t u16_strsize(const void *in)
> +size_t __efi_runtime u16_strsize(const void *in)
>  {
>         return (u16_strlen(in) + 1) * sizeof(u16);
>  }
> --
> 2.43.0
>

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