[PATCH v2] efi/arm64: use UEFI for system reset and poweroff

[matt@codeblueprint.co.uk (Matt Fleming)]

On Fri, 06 Mar, at 03:49:24PM, Ard Biesheuvel wrote:
> If UEFI Runtime Services are available, they are preferred over direct
> PSCI calls or other methods to reset the system.
> 
> For the reset case, we need to hook into machine_restart(), as the
> arm_pm_restart function pointer may be overwritten by modules.
> 
> Tested-by: Mark Rutland <mark.rutland@arm.com>
> Reviewed-by: Mark Rutland <mark.rutland@arm.com>
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> ---
>  arch/arm64/kernel/efi.c     | 9 +++++++++
>  arch/arm64/kernel/process.c | 8 ++++++++
>  2 files changed, 17 insertions(+)

Looks good to me.

Reviewed-by: Matt Fleming <matt.fleming@intel.com>

Catalin, are you picking this up?

-- 
Matt Fleming, Intel Open Source Technology Center