Re: [RFC PATCH v9 7/8] ptp: arm64: Enable ptp_kvm for arm64

Marc Zyngier
2020-01-09T09:46:19Z

On 2020-01-09 09:24, Marc Zyngier wrote:
> On 2020-01-09 05:59, Jianyong Wu wrote:

[...]

>> So we focus it on arm64. Also I have never tested it on arm32 machine
>> ( we lack of arm32 machine)
>
> I'm sure your employer can provide you with such a box. I can probably
> even tell you which cupboard they are stored in... ;-)
>
>> Do you think it's necessary to enable ptp_kvm on arm32? If so, I can
>> do that.
>
> I can't see why we wouldn't, given that it should be a zero effort task
> (none of the code here is arch specific).

To be clear, what I'm after is support for 32bit *guests*. I don't
expect any
issue with a 32bit host (it's all common code), but you should be able
to test
32bit guests pretty easily (most ARMv8.0 CPUs support 32bit EL1).

M.
--
Jazz is not dead. It just smells funny...