From 7c04e64a1b43b4c8fea281ce1f82df30ed9bab4e Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Sat, 19 Apr 2008 23:55:17 +0900 Subject: [PATCH] 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 Signed-off-by: Ingo Molnar --- 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(-) diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c index 9546ef408b9..021624c8358 100644 --- a/arch/x86/kernel/genapic_64.c +++ b/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; diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index eef79e84145..04c662ba18f 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -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; diff --git a/arch/x86/kernel/tlb_64.c b/arch/x86/kernel/tlb_64.c index df224a8774c..a1f07d79320 100644 --- a/arch/x86/kernel/tlb_64.c +++ b/arch/x86/kernel/tlb_64.c @@ -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); diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c index 6e2c4efce0e..8acbf0cdf1a 100644 --- a/arch/x86/mach-voyager/voyager_smp.c +++ b/arch/x86/mach-voyager/voyager_smp.c @@ -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; } diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 92dd3dbf3ff..94e69000f98 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -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); } -- 2.20.1