Re: [PATCH 4/7] sparc64: add SPARC64 VII CPU, MMU and SMP support

[Krzysztof Kozlowski]

On 02/10/2026 18:14, Magnus Lindholm wrote:
> diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
> index aa4799cbb9c1..11437bbfc73b 100644
> --- a/arch/sparc/kernel/prom_64.c
> +++ b/arch/sparc/kernel/prom_64.c
> @@ -564,6 +564,12 @@ static void *fill_in_one_cpu(struct device_node *dp, int cpuid, int arg)
>  
>  		cpu_data(cpuid).core_id = portid + 1;
>  		cpu_data(cpuid).proc_id = portid;
> +		if (tlb_type == sparc64_vii &&
> +		    of_property_match_string(of_root, "model", "IKKAKU") >= 0) {

Are the values documented as ABI anywhere? Usually the compatible is the
ABI, not the model.

> +			/* IKKAKU: two adjacent ITIDs per physical core. */
> +			cpu_data(cpuid).core_id = (cpuid >> 1) + 1;
> +			cpu_data(cpuid).proc_id = 0;
> +		}

Best regards,
Krzysztof