diff options
| author | Huacai Chen <chenhuacai@loongson.cn> | 2023-06-29 20:58:42 +0800 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2023-06-29 20:58:42 +0800 |
| commit | 872b368b2282604aafbc8af1275e0b28a73b8636 (patch) | |
| tree | b3a6917d318bba90f13470d3e7b6b3cd8280e738 /arch/loongarch | |
| parent | 84d21f13af40f35e2e658f046d0c1e508e8a82ee (diff) | |
LoongArch: Set CPU#0 as the io master for FDT
ACPI systems set io masters by parsing ACPI MADT, FDT systems have no
MADT so we explicitly set CPU#0 as the io master. Otherwise CPU#0 will
be considered as hotpluggable.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Diffstat (limited to 'arch/loongarch')
| -rw-r--r-- | arch/loongarch/kernel/smp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/loongarch/kernel/smp.c b/arch/loongarch/kernel/smp.c index ed167e244cda..a858a468f746 100644 --- a/arch/loongarch/kernel/smp.c +++ b/arch/loongarch/kernel/smp.c @@ -210,6 +210,7 @@ static void __init fdt_smp_setup(void) } loongson_sysconf.nr_cpus = num_processors; + set_bit(0, &(loongson_sysconf.cores_io_master)); #endif } |