diff options
Diffstat (limited to 'arch/x86/kernel/smpboot.c')
| -rw-r--r-- | arch/x86/kernel/smpboot.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 91c0d1cd651e..86739f04701b 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -254,14 +254,14 @@ static void notrace start_secondary(void *unused) check_tsc_sync_target(); /* - * Lock vector_lock and initialize the vectors on this cpu - * before setting the cpu online. We must set it online with - * vector_lock held to prevent a concurrent setup/teardown - * from seeing a half valid vector space. + * Lock vector_lock, set CPU online and bring the vector + * allocator online. Online must be set with vector_lock held + * to prevent a concurrent irq setup/teardown from seeing a + * half valid vector space. */ lock_vector_lock(); - lapic_online(); set_cpu_online(smp_processor_id(), true); + lapic_online(); unlock_vector_lock(); cpu_set_state_online(smp_processor_id()); x86_platform.nmi_init(); |