diff options
Diffstat (limited to 'arch/tile/kernel/smpboot.c')
| -rw-r--r-- | arch/tile/kernel/smpboot.c | 37 |
1 files changed, 11 insertions, 26 deletions
diff --git a/arch/tile/kernel/smpboot.c b/arch/tile/kernel/smpboot.c index aa3aafdb4b93..74d62d098edf 100644 --- a/arch/tile/kernel/smpboot.c +++ b/arch/tile/kernel/smpboot.c @@ -25,19 +25,13 @@ #include <linux/percpu.h> #include <linux/delay.h> #include <linux/err.h> +#include <linux/irq.h> #include <asm/mmu_context.h> #include <asm/tlbflush.h> #include <asm/sections.h> -/* - * This assembly function is provided in entry.S. - * When called, it loops on a nap instruction forever. - * FIXME: should be in a header somewhere. - */ -extern void smp_nap(void); - /* State of each CPU. */ -DEFINE_PER_CPU(int, cpu_state) = { 0 }; +static DEFINE_PER_CPU(int, cpu_state) = { 0 }; /* The messaging code jumps to this pointer during boot-up */ unsigned long start_cpu_function_addr; @@ -74,7 +68,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) */ rc = sched_setaffinity(current->pid, cpumask_of(boot_cpu)); if (rc != 0) - printk("Couldn't set init affinity to boot cpu (%ld)\n", rc); + pr_err("Couldn't set init affinity to boot cpu (%ld)\n", rc); /* Print information about disabled and dataplane cpus. */ print_disabled_cpus(); @@ -134,13 +128,13 @@ static __init int reset_init_affinity(void) { long rc = sched_setaffinity(current->pid, &init_affinity); if (rc != 0) - printk(KERN_WARNING "couldn't reset init affinity (%ld)\n", + pr_warning("couldn't reset init affinity (%ld)\n", rc); return 0; } late_initcall(reset_init_affinity); -struct cpumask cpu_started __cpuinitdata; +static struct cpumask cpu_started __cpuinitdata; /* * Activate a secondary processor. Very minimal; don't add anything @@ -172,9 +166,6 @@ static void __cpuinit start_secondary(void) BUG(); enter_lazy_tlb(&init_mm, current); - /* Enable IRQs. */ - init_per_tile_IRQs(); - /* Allow hypervisor messages to be received */ init_messaging(); local_irq_enable(); @@ -182,7 +173,7 @@ static void __cpuinit start_secondary(void) /* Indicate that we're ready to come up. */ /* Must not do this before we're ready to receive messages */ if (cpumask_test_and_set_cpu(cpuid, &cpu_started)) { - printk(KERN_WARNING "CPU#%d already started!\n", cpuid); + pr_warning("CPU#%d already started!\n", cpuid); for (;;) local_irq_enable(); } @@ -190,13 +181,10 @@ static void __cpuinit start_secondary(void) smp_nap(); } -void setup_mpls(void); /* from kernel/setup.c */ -void store_permanent_mappings(void); - /* * Bring a secondary processor online. */ -void __cpuinit online_secondary() +void __cpuinit online_secondary(void) { /* * low-memory mappings have been cleared, flush them from @@ -222,17 +210,14 @@ void __cpuinit online_secondary() ipi_call_unlock(); __get_cpu_var(cpu_state) = CPU_ONLINE; - /* Set up MPLs for this processor */ - setup_mpls(); - + /* Set up tile-specific state for this cpu. */ + setup_cpu(0); /* Set up tile-timer clock-event device on this cpu */ setup_tile_timer(); preempt_enable(); - store_permanent_mappings(); - cpu_idle(); } @@ -242,7 +227,7 @@ int __cpuinit __cpu_up(unsigned int cpu) static int timeout; for (; !cpumask_test_cpu(cpu, &cpu_started); timeout++) { if (timeout >= 50000) { - printk(KERN_INFO "skipping unresponsive cpu%d\n", cpu); + pr_info("skipping unresponsive cpu%d\n", cpu); local_irq_enable(); return -EIO; } @@ -289,5 +274,5 @@ void __init smp_cpus_done(unsigned int max_cpus) ; rc = sched_setaffinity(current->pid, cpumask_of(cpu)); if (rc != 0) - printk("Couldn't set init affinity to cpu %d (%d)\n", cpu, rc); + pr_err("Couldn't set init affinity to cpu %d (%d)\n", cpu, rc); } |