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SubjectRe: [PATCH 2/2] MIPS: Loongson64: Set cluster for cores
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>

On Wed, Dec 30, 2020 at 11:43 AM Jiaxun Yang <jiaxun.yang@flygoat.com> wrote:
>
> cluster is required for cacheinfo to set shared_cpu_map correctly.
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
> Reviewed-by: Tiezhu Yang <yangtiezhu@loongson.cn>
> Tested-by: Tiezhu Yang <yangtiezhu@loongson.cn>
> ---
> arch/mips/loongson64/smp.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c
> index e744e1bee49e..fae3a97d853c 100644
> --- a/arch/mips/loongson64/smp.c
> +++ b/arch/mips/loongson64/smp.c
> @@ -403,6 +403,8 @@ static void __init loongson3_smp_setup(void)
> __cpu_number_map[i] = num;
> __cpu_logical_map[num] = i;
> set_cpu_possible(num, true);
> + /* Loongson processors are always grouped by 4 */
> + cpu_set_cluster(&cpu_data[num], i / 4);
> num++;
> }
> i++;
> --
> 2.30.0
>

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