[patch 07/10] x86: use cpumask function for present, possible, and online cpus

From: Akinobu Mita
Date: Sat Apr 19 2008 - 11:08:45 EST


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

Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
---
arch/x86/kernel/genapic_64.c | 2 +-
arch/x86/kernel/smpboot.c | 4 ++--
arch/x86/kernel/tlb_64.c | 4 ++--
arch/x86/mach-voyager/voyager_smp.c | 10 +++++-----
arch/x86/xen/smp.c | 2 +-
5 files changed, 11 insertions(+), 11 deletions(-)

Index: 2.6-git/arch/x86/mach-voyager/voyager_smp.c
===================================================================
--- 2.6-git.orig/arch/x86/mach-voyager/voyager_smp.c
+++ 2.6-git/arch/x86/mach-voyager/voyager_smp.c
@@ -115,7 +115,7 @@ static inline void send_QIC_CPI(__u32 cp
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));
@@ -702,9 +702,9 @@ 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),
@@ -1857,7 +1857,7 @@ static int __cpuinit voyager_cpu_up(unsi
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;
}
Index: 2.6-git/arch/x86/kernel/smpboot.c
===================================================================
--- 2.6-git.orig/arch/x86/kernel/smpboot.c
+++ 2.6-git/arch/x86/kernel/smpboot.c
@@ -1047,7 +1047,7 @@ int __cpuinit native_cpu_up(unsigned int
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();
}
@@ -1157,7 +1157,7 @@ static void __init smp_cpu_index_default
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;
Index: 2.6-git/arch/x86/kernel/genapic_64.c
===================================================================
--- 2.6-git.orig/arch/x86/kernel/genapic_64.c
+++ 2.6-git/arch/x86/kernel/genapic_64.c
@@ -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;
Index: 2.6-git/arch/x86/kernel/tlb_64.c
===================================================================
--- 2.6-git.orig/arch/x86/kernel/tlb_64.c
+++ 2.6-git/arch/x86/kernel/tlb_64.c
@@ -195,9 +195,9 @@ 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);
Index: 2.6-git/arch/x86/xen/smp.c
===================================================================
--- 2.6-git.orig/arch/x86/xen/smp.c
+++ 2.6-git/arch/x86/xen/smp.c
@@ -183,7 +183,7 @@ void __init xen_smp_prepare_cpus(unsigne

/* 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);
}

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