Re: [PATCH for-9.0 3/7] target/riscv/cpu.c: finalize satp_mode earlier

[Andrew Jones <ajones@ventanamicro.com>]

On Thu, Nov 23, 2023 at 04:15:28PM -0300, Daniel Henrique Barboza wrote:
> Profiles will need to validate satp_mode during their own finalize
> methods. This will occur inside riscv_tcg_cpu_finalize_features() for
> TCG. Given that satp_mode does not have any pre-req from the accelerator
> finalize() method, it's safe to finalize it ealier.
> 
> Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
> ---
>  target/riscv/cpu.c | 16 ++++++++--------
>  1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
> index 29a9f77702..a395c77bda 100644
> --- a/target/riscv/cpu.c
> +++ b/target/riscv/cpu.c
> @@ -1056,6 +1056,14 @@ void riscv_cpu_finalize_features(RISCVCPU *cpu, Error **errp)
>  {
>      Error *local_err = NULL;
>  
> +#ifndef CONFIG_USER_ONLY
> +    riscv_cpu_satp_mode_finalize(cpu, &local_err);
> +    if (local_err != NULL) {
> +        error_propagate(errp, local_err);
> +        return;
> +    }
> +#endif
> +
>      /*
>       * KVM accel does not have a specialized finalize()
>       * callback because its extensions are validated
> @@ -1068,14 +1076,6 @@ void riscv_cpu_finalize_features(RISCVCPU *cpu, Error **errp)
>              return;
>          }
>      }
> -
> -#ifndef CONFIG_USER_ONLY
> -    riscv_cpu_satp_mode_finalize(cpu, &local_err);
> -    if (local_err != NULL) {
> -        error_propagate(errp, local_err);
> -        return;
> -    }
> -#endif

Assuming we'll be getting KVM's supported mode with
KVM_REG_RISCV_CONFIG_REG(satp_mode) prior to calling
riscv_cpu_finalize_features(), then this looks good to me.

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>

Thanks,
drew