From: Jiaxun Yang <jiaxun.yang@flygoat.com>
Date: Wed, 30 Dec 2020 03:39:49 +0000 (+0800)
Subject: MIPS: Loongson64: Set cluster for cores
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=68324a68fbbe4fd2f2a1dc0ac26059245d0700ab;p=linux.git

MIPS: Loongson64: Set cluster for cores

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>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
---

diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c
index b8c1fc3158fd9..aa6613be270f5 100644
--- a/arch/mips/loongson64/smp.c
+++ b/arch/mips/loongson64/smp.c
@@ -492,6 +492,8 @@ 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++;