x86: use performance variant for_each_cpu_mask_nr

Change references from for_each_cpu_mask to for_each_cpu_mask_nr
where appropriate

Reviewed-by: Paul Jackson <pj@sgi.com>
Reviewed-by: Christoph Lameter <clameter@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

commit 2d474871e2fb092eb46a0930aba5442e10eb96cc
Author: Mike Travis <travis@sgi.com>
Date:   Mon May 12 21:21:13 2008 +0200

arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c

@@ -202,7 +202,7 @@ static void drv_write(struct drv_cmd *cmd)
 	cpumask_t saved_mask = current->cpus_allowed;
 	unsigned int i;
 
-	for_each_cpu_mask(i, cmd->mask) {
+	for_each_cpu_mask_nr(i, cmd->mask) {
 		set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
 		do_drv_write(cmd);
 	}
@@ -451,7 +451,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
 
 	freqs.old = perf->states[perf->state].core_frequency * 1000;
 	freqs.new = data->freq_table[next_state].frequency;
-	for_each_cpu_mask(i, cmd.mask) {
+	for_each_cpu_mask_nr(i, cmd.mask) {
 		freqs.cpu = i;
 		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 	}
@@ -466,7 +466,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
 		}
 	}
 
-	for_each_cpu_mask(i, cmd.mask) {
+	for_each_cpu_mask_nr(i, cmd.mask) {
 		freqs.cpu = i;
 		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 	}

arch/x86/kernel/cpu/cpufreq/p4-clockmod.c

@@ -122,19 +122,19 @@ static int cpufreq_p4_target(struct cpufreq_policy *policy,
 		return 0;
 
 	/* notifiers */
-	for_each_cpu_mask(i, policy->cpus) {
+	for_each_cpu_mask_nr(i, policy->cpus) {
 		freqs.cpu = i;
 		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 	}
 
 	/* run on each logical CPU, see section 13.15.3 of IA32 Intel Architecture Software
 	 * Developer's Manual, Volume 3
 	 */
-	for_each_cpu_mask(i, policy->cpus)
+	for_each_cpu_mask_nr(i, policy->cpus)
 		cpufreq_p4_setdc(i, p4clockmod_table[newstate].index);
 
 	/* notifiers */
-	for_each_cpu_mask(i, policy->cpus) {
+	for_each_cpu_mask_nr(i, policy->cpus) {
 		freqs.cpu = i;
 		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 	}

arch/x86/kernel/cpu/cpufreq/powernow-k8.c

@@ -966,15 +966,15 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data, unsigned i
 	freqs.old = find_khz_freq_from_fid(data->currfid);
 	freqs.new = find_khz_freq_from_fid(fid);
 
-	for_each_cpu_mask(i, *(data->available_cores)) {
+	for_each_cpu_mask_nr(i, *(data->available_cores)) {
 		freqs.cpu = i;
 		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 	}
 
 	res = transition_fid_vid(data, fid, vid);
 	freqs.new = find_khz_freq_from_fid(data->currfid);
 
-	for_each_cpu_mask(i, *(data->available_cores)) {
+	for_each_cpu_mask_nr(i, *(data->available_cores)) {
 		freqs.cpu = i;
 		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 	}
@@ -997,15 +997,15 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i
 	freqs.old = find_khz_freq_from_pstate(data->powernow_table, data->currpstate);
 	freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate);
 
-	for_each_cpu_mask(i, *(data->available_cores)) {
+	for_each_cpu_mask_nr(i, *(data->available_cores)) {
 		freqs.cpu = i;
 		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 	}
 
 	res = transition_pstate(data, pstate);
 	freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate);
 
-	for_each_cpu_mask(i, *(data->available_cores)) {
+	for_each_cpu_mask_nr(i, *(data->available_cores)) {
 		freqs.cpu = i;
 		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 	}

arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c

@@ -476,7 +476,7 @@ static int centrino_target (struct cpufreq_policy *policy,
 	saved_mask = current->cpus_allowed;
 	first_cpu = 1;
 	cpus_clear(covered_cpus);
-	for_each_cpu_mask(j, online_policy_cpus) {
+	for_each_cpu_mask_nr(j, online_policy_cpus) {
 		/*
 		 * Support for SMP systems.
 		 * Make sure we are running on CPU that wants to change freq
@@ -517,7 +517,7 @@ static int centrino_target (struct cpufreq_policy *policy,
 			dprintk("target=%dkHz old=%d new=%d msr=%04x\n",
 				target_freq, freqs.old, freqs.new, msr);
 
-			for_each_cpu_mask(k, online_policy_cpus) {
+			for_each_cpu_mask_nr(k, online_policy_cpus) {
 				freqs.cpu = k;
 				cpufreq_notify_transition(&freqs,
 					CPUFREQ_PRECHANGE);
@@ -540,7 +540,7 @@ static int centrino_target (struct cpufreq_policy *policy,
 		preempt_enable();
 	}
 
-	for_each_cpu_mask(k, online_policy_cpus) {
+	for_each_cpu_mask_nr(k, online_policy_cpus) {
 		freqs.cpu = k;
 		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 	}
@@ -554,7 +554,7 @@ static int centrino_target (struct cpufreq_policy *policy,
 		 */
 
 		if (!cpus_empty(covered_cpus)) {
-			for_each_cpu_mask(j, covered_cpus) {
+			for_each_cpu_mask_nr(j, covered_cpus) {
 				set_cpus_allowed_ptr(current,
 						     &cpumask_of_cpu(j));
 				wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
@@ -564,7 +564,7 @@ static int centrino_target (struct cpufreq_policy *policy,
 		tmp = freqs.new;
 		freqs.new = freqs.old;
 		freqs.old = tmp;
-		for_each_cpu_mask(j, online_policy_cpus) {
+		for_each_cpu_mask_nr(j, online_policy_cpus) {
 			freqs.cpu = j;
 			cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 			cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);

arch/x86/kernel/cpu/cpufreq/speedstep-ich.c

@@ -279,7 +279,7 @@ static int speedstep_target (struct cpufreq_policy *policy,
 
 	cpus_allowed = current->cpus_allowed;
 
-	for_each_cpu_mask(i, policy->cpus) {
+	for_each_cpu_mask_nr(i, policy->cpus) {
 		freqs.cpu = i;
 		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 	}
@@ -292,7 +292,7 @@ static int speedstep_target (struct cpufreq_policy *policy,
 	/* allow to be run on all CPUs */
 	set_cpus_allowed_ptr(current, &cpus_allowed);
 
-	for_each_cpu_mask(i, policy->cpus) {
+	for_each_cpu_mask_nr(i, policy->cpus) {
 		freqs.cpu = i;
 		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 	}

arch/x86/kernel/cpu/intel_cacheinfo.c

@@ -488,7 +488,7 @@ static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index)
 	int sibling;
 
 	this_leaf = CPUID4_INFO_IDX(cpu, index);
-	for_each_cpu_mask(sibling, this_leaf->shared_cpu_map) {
+	for_each_cpu_mask_nr(sibling, this_leaf->shared_cpu_map) {
 		sibling_leaf = CPUID4_INFO_IDX(sibling, index);	
 		cpu_clear(cpu, sibling_leaf->shared_cpu_map);
 	}

arch/x86/kernel/cpu/mcheck/mce_amd_64.c

@@ -527,7 +527,7 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank)
 	if (err)
 		goto out_free;
 
-	for_each_cpu_mask(i, b->cpus) {
+	for_each_cpu_mask_nr(i, b->cpus) {
 		if (i == cpu)
 			continue;
 
@@ -617,7 +617,7 @@ static void threshold_remove_bank(unsigned int cpu, int bank)
 #endif
 
 	/* remove all sibling symlinks before unregistering */
-	for_each_cpu_mask(i, b->cpus) {
+	for_each_cpu_mask_nr(i, b->cpus) {
 		if (i == cpu)
 			continue;
 

arch/x86/kernel/io_apic_64.c

@@ -718,7 +718,7 @@ static int __assign_irq_vector(int irq, cpumask_t mask)
 			return 0;
 	}
 
-	for_each_cpu_mask(cpu, mask) {
+	for_each_cpu_mask_nr(cpu, mask) {
 		cpumask_t domain, new_mask;
 		int new_cpu;
 		int vector, offset;
@@ -739,7 +739,7 @@ static int __assign_irq_vector(int irq, cpumask_t mask)
 			continue;
 		if (vector == IA32_SYSCALL_VECTOR)
 			goto next;
-		for_each_cpu_mask(new_cpu, new_mask)
+		for_each_cpu_mask_nr(new_cpu, new_mask)
 			if (per_cpu(vector_irq, new_cpu)[vector] != -1)
 				goto next;
 		/* Found one! */
@@ -749,7 +749,7 @@ static int __assign_irq_vector(int irq, cpumask_t mask)
 			cfg->move_in_progress = 1;
 			cfg->old_domain = cfg->domain;
 		}
-		for_each_cpu_mask(new_cpu, new_mask)
+		for_each_cpu_mask_nr(new_cpu, new_mask)
 			per_cpu(vector_irq, new_cpu)[vector] = irq;
 		cfg->vector = vector;
 		cfg->domain = domain;
@@ -781,7 +781,7 @@ static void __clear_irq_vector(int irq)
 
 	vector = cfg->vector;
 	cpus_and(mask, cfg->domain, cpu_online_map);
-	for_each_cpu_mask(cpu, mask)
+	for_each_cpu_mask_nr(cpu, mask)
 		per_cpu(vector_irq, cpu)[vector] = -1;
 
 	cfg->vector = 0;

arch/x86/kernel/smpboot.c

@@ -487,7 +487,7 @@ void __cpuinit set_cpu_sibling_map(int cpu)
 	cpu_set(cpu, cpu_sibling_setup_map);
 
 	if (smp_num_siblings > 1) {
-		for_each_cpu_mask(i, cpu_sibling_setup_map) {
+		for_each_cpu_mask_nr(i, cpu_sibling_setup_map) {
 			if (c->phys_proc_id == cpu_data(i).phys_proc_id &&
 			    c->cpu_core_id == cpu_data(i).cpu_core_id) {
 				cpu_set(i, per_cpu(cpu_sibling_map, cpu));
@@ -510,7 +510,7 @@ void __cpuinit set_cpu_sibling_map(int cpu)
 		return;
 	}
 
-	for_each_cpu_mask(i, cpu_sibling_setup_map) {
+	for_each_cpu_mask_nr(i, cpu_sibling_setup_map) {
 		if (per_cpu(cpu_llc_id, cpu) != BAD_APICID &&
 		    per_cpu(cpu_llc_id, cpu) == per_cpu(cpu_llc_id, i)) {
 			cpu_set(i, c->llc_shared_map);
@@ -1298,7 +1298,7 @@ static void remove_siblinginfo(int cpu)
 	int sibling;
 	struct cpuinfo_x86 *c = &cpu_data(cpu);
 
-	for_each_cpu_mask(sibling, per_cpu(cpu_core_map, cpu)) {
+	for_each_cpu_mask_nr(sibling, per_cpu(cpu_core_map, cpu)) {
 		cpu_clear(cpu, per_cpu(cpu_core_map, sibling));
 		/*/
 		 * last thread sibling in this cpu core going down
@@ -1307,7 +1307,7 @@ static void remove_siblinginfo(int cpu)
 			cpu_data(sibling).booted_cores--;
 	}
 
-	for_each_cpu_mask(sibling, per_cpu(cpu_sibling_map, cpu))
+	for_each_cpu_mask_nr(sibling, per_cpu(cpu_sibling_map, cpu))
 		cpu_clear(cpu, per_cpu(cpu_sibling_map, sibling));
 	cpus_clear(per_cpu(cpu_sibling_map, cpu));
 	cpus_clear(per_cpu(cpu_core_map, cpu));

arch/x86/xen/smp.c

@@ -345,7 +345,7 @@ static void xen_send_IPI_mask(cpumask_t mask, enum ipi_vector vector)
 
 	cpus_and(mask, mask, cpu_online_map);
 
-	for_each_cpu_mask(cpu, mask)
+	for_each_cpu_mask_nr(cpu, mask)
 		xen_send_IPI_one(cpu, vector);
 }
 
@@ -413,7 +413,7 @@ int xen_smp_call_function_mask(cpumask_t mask, void (*func)(void *),
 
 	/* Make sure other vcpus get a chance to run if they need to. */
 	yield = false;
-	for_each_cpu_mask(cpu, mask)
+	for_each_cpu_mask_nr(cpu, mask)
 		if (xen_vcpu_stolen(cpu))
 			yield = true;
 

include/asm-x86/ipi.h

@@ -121,7 +121,7 @@ static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
 	 * - mbligh
 	 */
 	local_irq_save(flags);
-	for_each_cpu_mask(query_cpu, mask) {
+	for_each_cpu_mask_nr(query_cpu, mask) {
 		__send_IPI_dest_field(per_cpu(x86_cpu_to_apicid, query_cpu),
 				      vector, APIC_DEST_PHYSICAL);
 	}