diff options
Diffstat (limited to 'kernel/cpu.c')
| -rw-r--r-- | kernel/cpu.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c index 67a60076dd7e..6ba0f1ecb212 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -414,6 +414,14 @@ int disable_nonboot_cpus(void) return error; } +void __weak arch_enable_nonboot_cpus_begin(void) +{ +} + +void __weak arch_enable_nonboot_cpus_end(void) +{ +} + void __ref enable_nonboot_cpus(void) { int cpu, error; @@ -425,6 +433,9 @@ void __ref enable_nonboot_cpus(void) goto out; printk("Enabling non-boot CPUs ...\n"); + + arch_enable_nonboot_cpus_begin(); + for_each_cpu(cpu, frozen_cpus) { error = _cpu_up(cpu, 1); if (!error) { @@ -433,6 +444,9 @@ void __ref enable_nonboot_cpus(void) } printk(KERN_WARNING "Error taking CPU%d up: %d\n", cpu, error); } + + arch_enable_nonboot_cpus_end(); + cpumask_clear(frozen_cpus); out: cpu_maps_update_done(); |