Commit 4b2edd38 authored by Jianmin Lv's avatar Jianmin Lv Committed by Huacai Chen
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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: default avatarWANG Xuerui <git@xen0n.name>
Signed-off-by: default avatarJianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent 1625c8cb

arch/loongarch/kernel/cpu-probe.c

+3 −1
Original line number Diff line number Diff line
@@ -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]);



	if (!__cpu_full_name[cpu])

		__cpu_full_name[cpu] = cpu_full_name;



	*vendor = iocsr_read64(LOONGARCH_IOCSR_VENDOR);

	*cpuname = iocsr_read64(LOONGARCH_IOCSR_CPUNAME);