diff options
Diffstat (limited to 'arch/riscv')
| -rw-r--r-- | arch/riscv/kernel/smpboot.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/riscv/kernel/smpboot.c b/arch/riscv/kernel/smpboot.c index eb533b5c2c8c..a8ad200581aa 100644 --- a/arch/riscv/kernel/smpboot.c +++ b/arch/riscv/kernel/smpboot.c @@ -47,6 +47,17 @@ void __init smp_prepare_boot_cpu(void) void __init smp_prepare_cpus(unsigned int max_cpus) { + int cpuid; + + /* This covers non-smp usecase mandated by "nosmp" option */ + if (max_cpus == 0) + return; + + for_each_possible_cpu(cpuid) { + if (cpuid == smp_processor_id()) + continue; + set_cpu_present(cpuid, true); + } } void __init setup_smp(void) @@ -74,7 +85,6 @@ void __init setup_smp(void) cpuid_to_hartid_map(cpuid) = hart; set_cpu_possible(cpuid, true); - set_cpu_present(cpuid, true); cpuid++; } |