Re: [PATCH 11/11] RISC-V: Add initial support for T-Head C906 and C910 CPUs

[Richard Henderson]

On 9/8/22 09:23, Christoph Müllner wrote:
> On Thu, Sep 8, 2022 at 9:46 AM Richard Henderson <richard.henderson@linaro.org 
> <mailto:richard.henderson@linaro.org>> wrote:
>
>     On 9/6/22 13:22, Christoph Muellner wrote:
>      > +    DEFINE_CPU(TYPE_RISCV_CPU_THEAD_C906,       
> rv64_thead_c906_cpu_init),
>      > +    DEFINE_CPU(TYPE_RISCV_CPU_THEAD_C910,       
> rv64_thead_c906_cpu_init),
>
>     Why model both if they're identical?
>
>
> I figured that users might expect that (existence of "thead-c906" and 
> "thead-c910").
> And using "thead-c9xx" feels like it would be regretted in the future.
>
> Should I drop "thead-c910"?

Quite possibly.  For Arm, we don't try to supply every cpu model, only those that differ 
in some substantial way.


r~