Re: [PATCH v6 0/4] introduce tee-based EFI Runtime Variable Service

[Jan Kiszka]

On 22.06.23 10:51, Masahisa Kojima wrote:
> This series introduces the tee based EFI Runtime Variable Service.
> 
> The eMMC device is typically owned by the non-secure world(linux in
> this case). There is an existing solution utilizing eMMC RPMB partition
> for EFI Variables, it is implemented by interacting with
> OP-TEE, StandaloneMM(as EFI Variable Service Pseudo TA), eMMC driver
> and tee-supplicant. The last piece is the tee-based variable access
> driver to interact with OP-TEE and StandaloneMM.
> 
> Changelog:
> v5 -> v6
> - new patch #4 is added in this series, #1-#3 patches are unchanged.
>   automatically update super block flag when the efivarops support
>   SetVariable runtime service, so that user does not need to manually
>   remount the efivarfs as RW.

But that is not yet resolving the architectural problem with that
userspace daemon dependency. What are the next steps for that now?

Thanks,
Jan

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