[PATCH v2] efi/arm64: store Runtime Services revision

[Ard Biesheuvel]

On 15 August 2014 15:22, Semen Protsenko <semen.protsenko at linaro.org> wrote:
> "efi" global data structure contains "runtime_version" field which must
> be assigned in order to use it later in Runtime Services virtual calls
> (virt_efi_* functions).
>
> Before this patch "runtime_version" was unassigned (0), so each
> Runtime Service virtual call that checks revision would fail.
>
> Signed-off-by: Semen Protsenko <semen.protsenko at linaro.org>

Acked-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>

@Matt, could you take this?

-- 
Ard.


> ---
>  arch/arm64/kernel/efi.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
> index e72f310..5dbb7bd 100644
> --- a/arch/arm64/kernel/efi.c
> +++ b/arch/arm64/kernel/efi.c
> @@ -463,6 +463,8 @@ static int __init arm64_enter_virtual_mode(void)
>         efi_native_runtime_setup();
>         set_bit(EFI_RUNTIME_SERVICES, &efi.flags);
>
> +       efi.runtime_version = efi.systab->hdr.revision;
> +
>         return 0;
>
>  err_unmap:
> --
> 2.0.1
>