diff options
Diffstat (limited to 'arch/tile/kernel/smpboot.c')
| -rw-r--r-- | arch/tile/kernel/smpboot.c | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/arch/tile/kernel/smpboot.c b/arch/tile/kernel/smpboot.c index 74d62d098ed..732e9d13866 100644 --- a/arch/tile/kernel/smpboot.c +++ b/arch/tile/kernel/smpboot.c @@ -18,7 +18,6 @@ #include <linux/mm.h> #include <linux/sched.h> #include <linux/kernel_stat.h> -#include <linux/smp_lock.h> #include <linux/bootmem.h> #include <linux/notifier.h> #include <linux/cpu.h> @@ -134,22 +133,24 @@ static __init int reset_init_affinity(void) } late_initcall(reset_init_affinity); -static struct cpumask cpu_started __cpuinitdata; +static struct cpumask cpu_started; /* * Activate a secondary processor. Very minimal; don't add anything * to this path without knowing what you're doing, since SMP booting * is pretty fragile. */ -static void __cpuinit start_secondary(void) +static void start_secondary(void) { - int cpuid = smp_processor_id(); + int cpuid; + + preempt_disable(); + + cpuid = smp_processor_id(); /* Set our thread pointer appropriately. */ set_my_cpu_offset(__per_cpu_offset[cpuid]); - preempt_disable(); - /* * In large machines even this will slow us down, since we * will be contending for for the printk spinlock. @@ -184,7 +185,7 @@ static void __cpuinit start_secondary(void) /* * Bring a secondary processor online. */ -void __cpuinit online_secondary(void) +void online_secondary(void) { /* * low-memory mappings have been cleared, flush them from @@ -197,17 +198,9 @@ void __cpuinit online_secondary(void) /* This must be done before setting cpu_online_mask */ wmb(); - /* - * We need to hold call_lock, so there is no inconsistency - * between the time smp_call_function() determines number of - * IPI recipients, and the time when the determination is made - * for which cpus receive the IPI. Holding this - * lock helps us to not include this cpu in a currently in progress - * smp_call_function(). - */ - ipi_call_lock(); + notify_cpu_starting(smp_processor_id()); + set_cpu_online(smp_processor_id(), 1); - ipi_call_unlock(); __get_cpu_var(cpu_state) = CPU_ONLINE; /* Set up tile-specific state for this cpu. */ @@ -216,12 +209,10 @@ void __cpuinit online_secondary(void) /* Set up tile-timer clock-event device on this cpu */ setup_tile_timer(); - preempt_enable(); - - cpu_idle(); + cpu_startup_entry(CPUHP_ONLINE); } -int __cpuinit __cpu_up(unsigned int cpu) +int __cpu_up(unsigned int cpu, struct task_struct *tidle) { /* Wait 5s total for all CPUs for them to come online */ static int timeout; |