LoongArch: Fix cpu name after CPU-hotplug

Don't overwrite the SMBIOS-provided CPU name on coming back from CPU-
hotplug (including S3/S4) if it is already initialized.

Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Jianmin Lv 2022-10-12 16:36:08 +08:00 committed by Huacai Chen
parent 1625c8cba7
commit 4b2edd3828

View File

@ -187,7 +187,9 @@ static inline void cpu_probe_loongson(struct cpuinfo_loongarch *c, unsigned int
uint64_t *vendor = (void *)(&cpu_full_name[VENDOR_OFFSET]);
uint64_t *cpuname = (void *)(&cpu_full_name[CPUNAME_OFFSET]);
__cpu_full_name[cpu] = cpu_full_name;
if (!__cpu_full_name[cpu])
__cpu_full_name[cpu] = cpu_full_name;
*vendor = iocsr_read64(LOONGARCH_IOCSR_VENDOR);
*cpuname = iocsr_read64(LOONGARCH_IOCSR_CPUNAME);