new file mode 100644
@@ -84,11 +84,19 @@ void __init setup_smp(void)
}
cpuid_to_hartid_map(cpuid) = hart;
- set_cpu_possible(cpuid, true);
cpuid++;
}
BUG_ON(!found_boot_cpu);
+
+ if (cpuid > nr_cpu_ids)
+ pr_warn("Total number of cpus [%d] is greater than nr_cpus option value [%d]\n",
+ cpuid, nr_cpu_ids);
+
+ for (cpuid = 1; cpuid < nr_cpu_ids; cpuid++) {
+ if (cpuid_to_hartid_map(cpuid) != INVALID_HARTID)
+ set_cpu_possible(cpuid, true);
+ }
}
int __cpu_up(unsigned int cpu, struct task_struct *tidle)
If nr_cpus command line option is set, maximum possible cpu should be set to that value. Signed-off-by: Atish Patra <atish.patra@wdc.com> --- arch/riscv/kernel/smpboot. | 0 arch/riscv/kernel/smpboot.c | 10 +++++++++- 2 files changed, 9 insertions(+), 1 deletion(-) create mode 100644 arch/riscv/kernel/smpboot.