Messages in this thread Patch in this message | | | From | Jianmin Lv <> | Subject | [PATCH V3] LoongArch: Fix cpu name after s3/s4 | Date | Thu, 29 Sep 2022 16:55:30 +0800 |
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On coming back from s3/s4, the cpu name will be overwritten in cpu_probe path of seconary cpu, so we don't overwrite it if it has been initialized.
Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>
diff --git a/arch/loongarch/kernel/cpu-probe.c b/arch/loongarch/kernel/cpu-probe.c index 529ab8f44ec6..255a09876ef2 100644 --- a/arch/loongarch/kernel/cpu-probe.c +++ b/arch/loongarch/kernel/cpu-probe.c @@ -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); -- 2.31.1
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