Re: [Xen-devel] [PATCH 2/2] arm: traps: handle PSCI calls inside `smccc.c`

[Julien Grall <julien.grall@xxxxxxx>]

Hi Volodymyr,

On 06/14/2017 03:10 PM, Volodymyr Babchuk wrote:
> PSCI is part of HVC/SMC interface, so it should be handled in
> appropriate place: `smccc.c`. This patch just moves PSCI
> handler calls from `traps.c` to `smccc.c`.
>
> PSCI is considered as two different "services" in terms of SMCCC.
> Older PSCI 1.0 is treated as "architecture service", while never
> PSCI 2.0 is defined as "standard secure service".
>
> Also old accessors PSCI_ARG() and PSCI_RESULT_REG() were replaced
> with generic set_user_reg()/get_user_reg() functions.
This is a call to split the patch in multiple small ones to ease the review.

I like the idea of using SMCC for PSCI, and will review the code when it 
will be split.
Cheers,

--
Julien Grall

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