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Re: [PATCH v4 1/2] xen/arm: smccc: add support for SMCCCv1.2 extended input/output registers



Hi Luca,

On Fri, Jul 8, 2022 at 2:01 PM Luca Fancellu <Luca.Fancellu@xxxxxxx> wrote:
>
> Hi Jens,
>
> > On 22 Jun 2022, at 14:42, Jens Wiklander <jens.wiklander@xxxxxxxxxx> wrote:
> >
> > SMCCC v1.2 AArch64 allows x0-x17 to be used as both parameter registers
> > and result registers for the SMC and HVC instructions.
> >
> > Arm Firmware Framework for Armv8-A specification makes use of x0-x7 as
> > parameter and result registers.
> >
> > Let us add new interface to support this extended set of input/output
> > registers.
> >
> > This is based on 3fdc0cb59d97 ("arm64: smccc: Add support for SMCCCv1.2
> > extended input/output registers") by Sudeep Holla from the Linux kernel
> >
> > The SMCCC version reported to the VM is bumped to 1.2 in order to support
> > handling FF-A messages.
> >
> > Signed-off-by: Jens Wiklander <jens.wiklander@xxxxxxxxxx>
> > ---
> >
>
> I think you need to update the copyright information of the smccc.h header 
> (maintainers can confirm if it’s needed),
> also it seems that you agreed with Julien to update the commit message with a 
> reference to the spec but maybe you
> forgot about that:
> https://patchwork.kernel.org/comment/24897413/

I'm sorry, I'll fix it.

>
> With these addressed:
>
> Reviewed-by: Luca Fancellu <luca.fancellu@xxxxxxx>

Thanks, I'll add the to the V5 of the patch set.

Cheers,
Jens

>
>
>
>



 


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