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    SubjectRe: [PATCH v7 3/5] efi: Add tee-based EFI variable driver
    On Tue, 1 Aug 2023 at 00:05, Randy Dunlap <rdunlap@infradead.org> wrote:
    >
    >
    >
    > On 7/30/23 23:50, Masahisa Kojima wrote:
    > > diff --git a/drivers/firmware/efi/Kconfig b/drivers/firmware/efi/Kconfig
    > > index 043ca31c114e..aa38089d1e4a 100644
    > > --- a/drivers/firmware/efi/Kconfig
    > > +++ b/drivers/firmware/efi/Kconfig
    > > @@ -287,3 +287,18 @@ config UEFI_CPER_X86
    > > bool
    > > depends on UEFI_CPER && X86
    > > default y
    > > +
    > > +config TEE_STMM_EFI
    > > + tristate "TEE based EFI runtime variable service driver"
    >
    > TEE-based
    OK.

    >
    > > + depends on EFI && OPTEE && !EFI_VARS_PSTORE
    > > + help
    > > + Select this config option if TEE is compiled to include StandAloneMM
    > > + as a separate secure partition it has the ability to check and store
    >
    > partition. It has the ability
    OK.

    Thank you for your review.

    Regards,
    Masahisa Kojima

    >
    > > + EFI variables on an RPMB or any other non-volatile medium used by
    > > + StandAloneMM.
    > > +
    > > + Enabling this will change the EFI runtime services from the firmware
    > > + provided functions to TEE calls.
    > > +
    > > + To compile this driver as a module, choose M here: the module
    > > + will be called tee_stmm_efi.
    >
    > --
    > ~Randy

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