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

[Volodymyr Babchuk <volodymyr_babchuk@xxxxxxxx>]

Hi Julien,

On 14.06.17 17:21, Julien Grall 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.
Okay, then I'll will send a separate patch that reworks PSCI code in 
traps.c, because this change is not relevant for SMCCC patch series.
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