diff options
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index b403ead7eebd..4ee43396b910 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1465,6 +1465,25 @@ void arch_thaw_secondary_cpus_end(void) cache_aps_init(); } +bool smp_park_other_cpus_in_init(void) +{ + unsigned int cpu, this_cpu = smp_processor_id(); + unsigned int apicid; + + if (apic->wakeup_secondary_cpu_64 || apic->wakeup_secondary_cpu) + return false; + + for_each_present_cpu(cpu) { + if (cpu == this_cpu) + continue; + apicid = apic->cpu_present_to_apicid(cpu); + if (apicid == BAD_APICID) + continue; + send_init_sequence(apicid); + } + return true; +} + /* * Early setup to make printk work. */ |