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x86: use cpumask function for present, possible, and online cpus 

cpu_online(), cpu_present(), for_each_possible_cpu(), num_possible_cpus()

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Akinobu Mita 2008-04-19 23:55:17 +09:00 committed by Ingo Molnar
parent 877084fb1c
commit 7c04e64a1b
5 changed files with 11 additions and 11 deletions
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2
arch/x86/kernel/genapic_64.c
View File

@ -51,7 +51,7 @@ void __init setup_apic_routing(void)
else
#endif
if (cpus_weight(cpu_possible_map) <= 8)
if (num_possible_cpus() <= 8)
genapic = &apic_flat;
else
genapic = &apic_physflat;

4
arch/x86/kernel/smpboot.c
View File

@ -1058,7 +1058,7 @@ int __cpuinit native_cpu_up(unsigned int cpu)
check_tsc_sync_source(cpu);
local_irq_restore(flags);
while (!cpu_isset(cpu, cpu_online_map)) {
while (!cpu_online(cpu)) {
cpu_relax();
touch_nmi_watchdog();
}
@ -1168,7 +1168,7 @@ static void __init smp_cpu_index_default(void)
int i;
struct cpuinfo_x86 *c;
for_each_cpu_mask(i, cpu_possible_map) {
for_each_possible_cpu(i) {
c = &cpu_data(i);
/* mark all to hotplug */
c->cpu_index = NR_CPUS;

4
arch/x86/kernel/tlb_64.c
View File

@ -195,9 +195,9 @@ static int __cpuinit init_smp_flush(void)
{
int i;
for_each_cpu_mask(i, cpu_possible_map) {
for_each_possible_cpu(i)
spin_lock_init(&per_cpu(flush_state, i).tlbstate_lock);
}
return 0;
}
core_initcall(init_smp_flush);

10
arch/x86/mach-voyager/voyager_smp.c
View File

@ -113,7 +113,7 @@ static inline void send_QIC_CPI(__u32 cpuset, __u8 cpi)
for_each_online_cpu(cpu) {
if (cpuset & (1 << cpu)) {
#ifdef VOYAGER_DEBUG
if (!cpu_isset(cpu, cpu_online_map))
if (!cpu_online(cpu))
VDEBUG(("CPU%d sending cpi %d to CPU%d not in "
"cpu_online_map\n",
hard_smp_processor_id(), cpi, cpu));
@ -683,9 +683,9 @@ void __init smp_boot_cpus(void)
* Code added from smpboot.c */
{
unsigned long bogosum = 0;
for (i = 0; i < NR_CPUS; i++)
if (cpu_isset(i, cpu_online_map))
bogosum += cpu_data(i).loops_per_jiffy;
for_each_online_cpu(i)
bogosum += cpu_data(i).loops_per_jiffy;
printk(KERN_INFO "Total of %d processors activated "
"(%lu.%02lu BogoMIPS).\n",
cpucount + 1, bogosum / (500000 / HZ),
@ -1838,7 +1838,7 @@ static int __cpuinit voyager_cpu_up(unsigned int cpu)
return -EIO;
/* Unleash the CPU! */
cpu_set(cpu, smp_commenced_mask);
while (!cpu_isset(cpu, cpu_online_map))
while (!cpu_online(cpu))
mb();
return 0;
}

2
arch/x86/xen/smp.c
View File

@ -193,7 +193,7 @@ void __init xen_smp_prepare_cpus(unsigned int max_cpus)
/* Restrict the possible_map according to max_cpus. */
while ((num_possible_cpus() > 1) && (num_possible_cpus() > max_cpus)) {
for (cpu = NR_CPUS-1; !cpu_isset(cpu, cpu_possible_map); cpu--)
for (cpu = NR_CPUS - 1; !cpu_possible(cpu); cpu--)
continue;
cpu_clear(cpu, cpu_possible_map);
}