diff options
Diffstat (limited to 'arch/mips/kernel/smp-cps.c')
| -rw-r--r-- | arch/mips/kernel/smp-cps.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c index 6183ad84cc73..6d45f05538c8 100644 --- a/arch/mips/kernel/smp-cps.c +++ b/arch/mips/kernel/smp-cps.c @@ -11,7 +11,8 @@ #include <linux/delay.h> #include <linux/io.h> #include <linux/irqchip/mips-gic.h> -#include <linux/sched.h> +#include <linux/sched/task_stack.h> +#include <linux/sched/hotplug.h> #include <linux/slab.h> #include <linux/smp.h> #include <linux/types.h> @@ -326,7 +327,11 @@ static void cps_boot_secondary(int cpu, struct task_struct *idle) if (cpu_online(remote)) break; } - BUG_ON(remote >= NR_CPUS); + if (remote >= NR_CPUS) { + pr_crit("No online CPU in core %u to start CPU%d\n", + core, cpu); + goto out; + } err = smp_call_function_single(remote, remote_vpe_boot, NULL, 1); @@ -399,7 +404,6 @@ static int cps_cpu_disable(void) smp_mb__after_atomic(); set_cpu_online(cpu, false); calculate_cpu_foreign_map(); - cpumask_clear_cpu(cpu, &cpu_callin_map); return 0; } |
