[PATCH 15/35] cpumask: prepare for iterators to only go to nr_cpu_ids.

From: Mike Travis
Date: Mon Oct 20 2008 - 13:16:44 EST

In fact, all cpumask ops will only be valid (in general) for bit
numbers < nr_cpu_ids. So use that instead of NR_CPUS in various
places.

From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Mike Travis <travis@xxxxxxx>
---
arch/alpha/kernel/irq.c | 3 ++-
arch/alpha/kernel/smp.c | 8 ++++----
arch/arm/kernel/irq.c | 2 +-
arch/cris/kernel/setup.c | 2 +-
arch/frv/kernel/setup.c | 2 +-
arch/h8300/kernel/setup.c | 2 +-
arch/ia64/kernel/acpi.c | 2 +-
arch/ia64/kernel/iosapic.c | 4 ++--
arch/ia64/kernel/irq.c | 2 +-
arch/ia64/kernel/mca.c | 6 +++---
arch/ia64/kernel/perfmon.c | 4 ++--
arch/ia64/kernel/salinfo.c | 6 +++---
arch/ia64/kernel/setup.c | 4 ++--
arch/ia64/sn/kernel/setup.c | 2 +-
arch/ia64/sn/kernel/sn2/sn2_smp.c | 6 +++---
arch/ia64/sn/kernel/sn2/sn_hwperf.c | 2 +-
arch/m32r/kernel/setup.c | 2 +-
arch/m68knommu/kernel/setup.c | 2 +-
arch/mips/kernel/irq-gic.c | 2 +-
arch/mips/kernel/proc.c | 2 +-
arch/mips/kernel/smp-cmp.c | 2 +-
arch/mips/kernel/smtc.c | 6 +++---
arch/mips/sibyte/bcm1480/irq.c | 2 +-
arch/mips/sibyte/bcm1480/smp.c | 2 +-
arch/mips/sibyte/sb1250/smp.c | 2 +-
arch/mn10300/kernel/irq.c | 4 ++--
arch/mn10300/kernel/setup.c | 2 +-
arch/parisc/kernel/irq.c | 4 ++--
arch/parisc/kernel/processor.c | 4 ++--
arch/powerpc/include/asm/cputhreads.h | 2 +-
arch/powerpc/kernel/irq.c | 2 +-
arch/powerpc/kernel/machine_kexec_64.c | 2 +-
arch/powerpc/kernel/process.c | 2 +-
arch/powerpc/kernel/setup-common.c | 10 +++++-----
arch/powerpc/mm/numa.c | 4 ++--
arch/powerpc/platforms/powermac/setup.c | 2 +-
arch/powerpc/platforms/powermac/smp.c | 4 ++--
arch/powerpc/platforms/pseries/hotplug-cpu.c | 2 +-
arch/powerpc/platforms/pseries/rtasd.c | 2 +-
arch/powerpc/platforms/pseries/xics.c | 2 +-
arch/powerpc/xmon/xmon.c | 4 ++--
arch/s390/kernel/smp.c | 10 +++++-----
arch/sh/kernel/setup.c | 2 +-
arch/sparc/kernel/smp.c | 11 +++++------
arch/sparc/kernel/sun4d_smp.c | 9 ++++-----
arch/sparc/kernel/sun4m_smp.c | 8 +++-----
arch/sparc/mm/srmmu.c | 2 +-
arch/sparc64/kernel/ds.c | 2 +-
arch/sparc64/kernel/irq.c | 4 ++--
arch/sparc64/mm/init.c | 2 +-
arch/um/kernel/um_arch.c | 2 +-
arch/x86/kernel/apic.c | 2 +-
arch/x86/kernel/irq_32.c | 2 +-
arch/x86/mach-voyager/voyager_smp.c | 2 +-
arch/x86/mm/numa_64.c | 4 ++--
arch/x86/mm/srat_64.c | 2 +-
drivers/infiniband/hw/ehca/ehca_irq.c | 2 +-
kernel/kexec.c | 2 +-
kernel/smp.c | 2 +-
net/core/neighbour.c | 4 ++--
net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c | 4 ++--
net/ipv4/route.c | 4 ++--
net/netfilter/nf_conntrack_standalone.c | 4 ++--
security/selinux/selinuxfs.c | 2 +-
64 files changed, 108 insertions(+), 111 deletions(-)

--- test-compile.orig/arch/alpha/kernel/irq.c
+++ test-compile/arch/alpha/kernel/irq.c
@@ -50,8 +50,9 @@ int irq_select_affinity(unsigned int irq
if (!irq_desc[irq].chip->set_affinity || irq_user_affinity[irq])
return 1;

+ /* FIXME: This has an out-by-one error: inc then test! */
while (!cpu_possible(cpu) || !cpu_isset(cpu, irq_default_affinity))
- cpu = (cpu < (NR_CPUS-1) ? cpu + 1 : 0);
+ cpu = (cpu < (nr_cpu_ids-1) ? cpu + 1 : 0);
last_cpu = cpu;

irq_desc[irq].affinity = cpumask_of_cpu(cpu);
--- test-compile.orig/arch/alpha/kernel/smp.c
+++ test-compile/arch/alpha/kernel/smp.c
@@ -502,7 +502,7 @@ smp_cpus_done(unsigned int max_cpus)
int cpu;
unsigned long bogosum = 0;

- for(cpu = 0; cpu < NR_CPUS; cpu++)
+ for(cpu = 0; cpu < nr_cpu_ids; cpu++)
if (cpu_online(cpu))
bogosum += cpu_data[cpu].loops_per_jiffy;

@@ -703,7 +703,7 @@ flush_tlb_mm(struct mm_struct *mm)
flush_tlb_current(mm);
if (atomic_read(&mm->mm_users) <= 1) {
int cpu, this_cpu = smp_processor_id();
- for (cpu = 0; cpu < NR_CPUS; cpu++) {
+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
if (!cpu_online(cpu) || cpu == this_cpu)
continue;
if (mm->context[cpu])
@@ -752,7 +752,7 @@ flush_tlb_page(struct vm_area_struct *vm
flush_tlb_current_page(mm, vma, addr);
if (atomic_read(&mm->mm_users) <= 1) {
int cpu, this_cpu = smp_processor_id();
- for (cpu = 0; cpu < NR_CPUS; cpu++) {
+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
if (!cpu_online(cpu) || cpu == this_cpu)
continue;
if (mm->context[cpu])
@@ -808,7 +808,7 @@ flush_icache_user_range(struct vm_area_s
__load_new_mm_context(mm);
if (atomic_read(&mm->mm_users) <= 1) {
int cpu, this_cpu = smp_processor_id();
- for (cpu = 0; cpu < NR_CPUS; cpu++) {
+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
if (!cpu_online(cpu) || cpu == this_cpu)
continue;
if (mm->context[cpu])
--- test-compile.orig/arch/arm/kernel/irq.c
+++ test-compile/arch/arm/kernel/irq.c
@@ -193,7 +193,7 @@ void migrate_irqs(void)
if (desc->cpu == cpu) {
unsigned int newcpu = any_online_cpu(desc->affinity);

- if (newcpu == NR_CPUS) {
+ if (newcpu >= nr_cpu_ids) {
if (printk_ratelimit())
printk(KERN_INFO "IRQ%u no longer affine to CPU%u\n",
i, cpu);
--- test-compile.orig/arch/cris/kernel/setup.c
+++ test-compile/arch/cris/kernel/setup.c
@@ -166,7 +166,7 @@ void __init setup_arch(char **cmdline_p)

static void *c_start(struct seq_file *m, loff_t *pos)
{
- return *pos < NR_CPUS ? (void *)(int)(*pos + 1): NULL;
+ return *pos < nr_cpu_ids ? (void *)(int)(*pos + 1) : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
--- test-compile.orig/arch/frv/kernel/setup.c
+++ test-compile/arch/frv/kernel/setup.c
@@ -1100,7 +1100,7 @@ static int show_cpuinfo(struct seq_file

static void *c_start(struct seq_file *m, loff_t *pos)
{
- return *pos < NR_CPUS ? (void *) 0x12345678 : NULL;
+ return *pos < nr_cpu_ids ? (void *) 0x12345678 : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
--- test-compile.orig/arch/h8300/kernel/setup.c
+++ test-compile/arch/h8300/kernel/setup.c
@@ -224,7 +224,7 @@ static int show_cpuinfo(struct seq_file

static void *c_start(struct seq_file *m, loff_t *pos)
{
- return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL;
+ return *pos < nr_cpu_ids ? ((void *) 0x12345678) : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
--- test-compile.orig/arch/ia64/kernel/acpi.c
+++ test-compile/arch/ia64/kernel/acpi.c
@@ -885,7 +885,7 @@ int acpi_map_lsapic(acpi_handle handle,

cpus_complement(tmp_map, cpu_present_map);
cpu = first_cpu(tmp_map);
- if (cpu >= NR_CPUS)
+ if (cpu >= nr_cpu_ids)
return -EINVAL;

acpi_map_cpu2node(handle, cpu, physid);
--- test-compile.orig/arch/ia64/kernel/iosapic.c
+++ test-compile/arch/ia64/kernel/iosapic.c
@@ -720,7 +720,7 @@ get_target_cpu (unsigned int gsi, int ir
for (numa_cpu = first_cpu(cpu_mask) ; i < cpu_index ; i++)
numa_cpu = next_cpu(numa_cpu, cpu_mask);

- if (numa_cpu != NR_CPUS)
+ if (numa_cpu < nr_cpus_ids)
return cpu_physical_id(numa_cpu);
}
skip_numa_setup:
@@ -731,7 +731,7 @@ skip_numa_setup:
* case of NUMA.)
*/
do {
- if (++cpu >= NR_CPUS)
+ if (++cpu >= nr_cpu_ids)
cpu = 0;
} while (!cpu_online(cpu) || !cpu_isset(cpu, domain));

--- test-compile.orig/arch/ia64/kernel/irq.c
+++ test-compile/arch/ia64/kernel/irq.c
@@ -153,7 +153,7 @@ static void migrate_irqs(void)
continue;

cpus_and(mask, irq_desc[irq].affinity, cpu_online_map);
- if (any_online_cpu(mask) == NR_CPUS) {
+ if (any_online_cpu(mask) >= nr_cpu_ids) {
/*
* Save it for phase 2 processing
*/
--- test-compile.orig/arch/ia64/kernel/mca.c
+++ test-compile/arch/ia64/kernel/mca.c
@@ -1456,9 +1456,9 @@ ia64_mca_cmc_int_caller(int cmc_irq, voi

ia64_mca_cmc_int_handler(cmc_irq, arg);

- for (++cpuid ; cpuid < NR_CPUS && !cpu_online(cpuid) ; cpuid++);
+ cpuid = next_cpu(cpuid+1, cpu_online_map);

- if (cpuid < NR_CPUS) {
+ if (cpuid < nr_cpu_ids) {
platform_send_ipi(cpuid, IA64_CMCP_VECTOR, IA64_IPI_DM_INT, 0);
} else {
/* If no log record, switch out of polling mode */
@@ -1525,7 +1525,7 @@ ia64_mca_cpe_int_caller(int cpe_irq, voi

ia64_mca_cpe_int_handler(cpe_irq, arg);

- for (++cpuid ; cpuid < NR_CPUS && !cpu_online(cpuid) ; cpuid++);
+ cpuid = next_cpu(cpuid+1, cpu_online_map);

if (cpuid < NR_CPUS) {
platform_send_ipi(cpuid, IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);
--- test-compile.orig/arch/ia64/kernel/perfmon.c
+++ test-compile/arch/ia64/kernel/perfmon.c
@@ -5598,7 +5598,7 @@ pfm_interrupt_handler(int irq, void *arg
* /proc/perfmon interface, for debug only
*/

-#define PFM_PROC_SHOW_HEADER ((void *)NR_CPUS+1)
+#define PFM_PROC_SHOW_HEADER ((void *)nr_cpu_ids+1)

static void *
pfm_proc_start(struct seq_file *m, loff_t *pos)
@@ -5607,7 +5607,7 @@ pfm_proc_start(struct seq_file *m, loff_
return PFM_PROC_SHOW_HEADER;
}

- while (*pos <= NR_CPUS) {
+ while (*pos <= nr_cpu_ids) {
if (cpu_online(*pos - 1)) {
return (void *)*pos;
}
--- test-compile.orig/arch/ia64/kernel/salinfo.c
+++ test-compile/arch/ia64/kernel/salinfo.c
@@ -317,7 +317,7 @@ retry:
}

n = data->cpu_check;
- for (i = 0; i < NR_CPUS; i++) {
+ for (i = 0; i < nr_cpu_ids; i++) {
if (cpu_isset(n, data->cpu_event)) {
if (!cpu_online(n)) {
cpu_clear(n, data->cpu_event);
@@ -326,7 +326,7 @@ retry:
cpu = n;
break;
}
- if (++n == NR_CPUS)
+ if (++n == nr_cpu_ids)
n = 0;
}

@@ -337,7 +337,7 @@ retry:

/* for next read, start checking at next CPU */
data->cpu_check = cpu;
- if (++data->cpu_check == NR_CPUS)
+ if (++data->cpu_check == nr_cpu_ids)
data->cpu_check = 0;

snprintf(cmd, sizeof(cmd), "read %d\n", cpu);
--- test-compile.orig/arch/ia64/kernel/setup.c
+++ test-compile/arch/ia64/kernel/setup.c
@@ -714,10 +714,10 @@ static void *
c_start (struct seq_file *m, loff_t *pos)
{
#ifdef CONFIG_SMP
- while (*pos < NR_CPUS && !cpu_isset(*pos, cpu_online_map))
+ while (*pos < nr_cpu_ids && !cpu_online(*pos))
++*pos;
#endif
- return *pos < NR_CPUS ? cpu_data(*pos) : NULL;
+ return *pos < nr_cpu_ids ? cpu_data(*pos) : NULL;
}

static void *
--- test-compile.orig/arch/ia64/sn/kernel/setup.c
+++ test-compile/arch/ia64/sn/kernel/setup.c
@@ -753,7 +753,7 @@ nasid_slice_to_cpuid(int nasid, int slic
{
long cpu;

- for (cpu = 0; cpu < NR_CPUS; cpu++)
+ for (cpu = 0; cpu < nr_cpu_ids; cpu++)
if (cpuid_to_nasid(cpu) == nasid &&
cpuid_to_slice(cpu) == slice)
return cpu;
--- test-compile.orig/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ test-compile/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -461,7 +461,7 @@ bool sn_cpu_disable_allowed(int cpu)

static void *sn2_ptc_seq_start(struct seq_file *file, loff_t * offset)
{
- if (*offset < NR_CPUS)
+ if (*offset < nr_cpu_ids)
return offset;
return NULL;
}
@@ -469,7 +469,7 @@ static void *sn2_ptc_seq_start(struct se
static void *sn2_ptc_seq_next(struct seq_file *file, void *data, loff_t * offset)
{
(*offset)++;
- if (*offset < NR_CPUS)
+ if (*offset < nr_cpu_ids)
return offset;
return NULL;
}
@@ -491,7 +491,7 @@ static int sn2_ptc_seq_show(struct seq_f
seq_printf(file, "# ptctest %d, flushopt %d\n", sn2_ptctest, sn2_flush_opt);
}

- if (cpu < NR_CPUS && cpu_online(cpu)) {
+ if (cpu < nr_cpu_ids && cpu_online(cpu)) {
stat = &per_cpu(ptcstats, cpu);
seq_printf(file, "cpu %d %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld %ld\n", cpu, stat->ptc_l,
stat->change_rid, stat->shub_ptc_flushes, stat->nodes_flushed,
--- test-compile.orig/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ test-compile/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -615,7 +615,7 @@ static int sn_hwperf_op_cpu(struct sn_hw
op_info->a->arg &= SN_HWPERF_ARG_OBJID_MASK;

if (cpu != SN_HWPERF_ARG_ANY_CPU) {
- if (cpu >= NR_CPUS || !cpu_online(cpu)) {
+ if (cpu >= nr_cpu_ids || !cpu_online(cpu)) {
r = -EINVAL;
goto out;
}
--- test-compile.orig/arch/m32r/kernel/setup.c
+++ test-compile/arch/m32r/kernel/setup.c
@@ -356,7 +356,7 @@ static int show_cpuinfo(struct seq_file

static void *c_start(struct seq_file *m, loff_t *pos)
{
- return *pos < NR_CPUS ? cpu_data + *pos : NULL;
+ return *pos < nr_cpu_ids ? cpu_data + *pos : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
--- test-compile.orig/arch/m68knommu/kernel/setup.c
+++ test-compile/arch/m68knommu/kernel/setup.c
@@ -248,7 +248,7 @@ static int show_cpuinfo(struct seq_file

static void *c_start(struct seq_file *m, loff_t *pos)
{
- return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL;
+ return *pos < nr_cpu_ids ? ((void *) 0x12345678) : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
--- test-compile.orig/arch/mips/kernel/irq-gic.c
+++ test-compile/arch/mips/kernel/irq-gic.c
@@ -182,7 +182,7 @@ static void gic_set_affinity(unsigned in
_intrmap[irq].cpunum = first_cpu(tmp);

/* Update the pcpu_masks */
- for (i = 0; i < NR_CPUS; i++)
+ for (i = 0; i < nr_cpu_ids; i++)
clear_bit(irq, pcpu_masks[i].pcpu_mask);
set_bit(irq, pcpu_masks[first_cpu(tmp)].pcpu_mask);

--- test-compile.orig/arch/mips/kernel/proc.c
+++ test-compile/arch/mips/kernel/proc.c
@@ -86,7 +86,7 @@ static void *c_start(struct seq_file *m,
{
unsigned long i = *pos;

- return i < NR_CPUS ? (void *) (i + 1) : NULL;
+ return i < nr_cpu_ids ? (void *) (i + 1) : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
--- test-compile.orig/arch/mips/kernel/smp-cmp.c
+++ test-compile/arch/mips/kernel/smp-cmp.c
@@ -224,7 +224,7 @@ void __init cmp_smp_setup(void)
cpu_set(0, mt_fpu_cpumask);
#endif /* CONFIG_MIPS_MT_FPAFF */

- for (i = 1; i < NR_CPUS; i++) {
+ for (i = 1; i < nr_cpu_ids; i++) {
if (amon_cpu_avail(i)) {
cpu_set(i, phys_cpu_present_map);
__cpu_number_map[i] = ++ncpu;
--- test-compile.orig/arch/mips/kernel/smtc.c
+++ test-compile/arch/mips/kernel/smtc.c
@@ -303,7 +303,7 @@ int __init smtc_build_cpu_map(int start_
* everything up so that "logical" = "physical".
*/
ntcs = ((read_c0_mvpconf0() & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1;
- for (i=start_cpu_slot; i<NR_CPUS && i<ntcs; i++) {
+ for (i = start_cpu_slot; i < nr_cpu_ids && i < ntcs; i++) {
cpu_set(i, phys_cpu_present_map);
__cpu_number_map[i] = i;
__cpu_logical_map[i] = i;
@@ -422,8 +422,8 @@ void smtc_prepare_cpus(int cpus)
if (vpelimit > 0 && nvpe > vpelimit)
nvpe = vpelimit;
ntc = ((val & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1;
- if (ntc > NR_CPUS)
- ntc = NR_CPUS;
+ if (ntc > nr_cpu_ids)
+ ntc = nr_cpu_ids;
if (tclimit > 0 && ntc > tclimit)
ntc = tclimit;
slop = ntc % nvpe;
--- test-compile.orig/arch/mips/sibyte/bcm1480/irq.c
+++ test-compile/arch/mips/sibyte/bcm1480/irq.c
@@ -195,7 +195,7 @@ static void ack_bcm1480_irq(unsigned int
if (pending) {
#ifdef CONFIG_SMP
int i;
- for (i=0; i<NR_CPUS; i++) {
+ for (i=0; i < nr_cpu_ids; i++) {
/*
* Clear for all CPUs so an affinity switch
* doesn't find an old status
--- test-compile.orig/arch/mips/sibyte/bcm1480/smp.c
+++ test-compile/arch/mips/sibyte/bcm1480/smp.c
@@ -150,7 +150,7 @@ static void __init bcm1480_smp_setup(voi
__cpu_number_map[0] = 0;
__cpu_logical_map[0] = 0;

- for (i = 1, num = 0; i < NR_CPUS; i++) {
+ for (i = 1, num = 0; i < nr_cpu_ids; i++) {
if (cfe_cpu_stop(i) == 0) {
cpu_set(i, phys_cpu_present_map);
__cpu_number_map[i] = ++num;
--- test-compile.orig/arch/mips/sibyte/sb1250/smp.c
+++ test-compile/arch/mips/sibyte/sb1250/smp.c
@@ -138,7 +138,7 @@ static void __init sb1250_smp_setup(void
__cpu_number_map[0] = 0;
__cpu_logical_map[0] = 0;

- for (i = 1, num = 0; i < NR_CPUS; i++) {
+ for (i = 1, num = 0; i < nr_cpu_ids; i++) {
if (cfe_cpu_stop(i) == 0) {
cpu_set(i, phys_cpu_present_map);
__cpu_number_map[i] = ++num;
--- test-compile.orig/arch/mn10300/kernel/irq.c
+++ test-compile/arch/mn10300/kernel/irq.c
@@ -207,7 +207,7 @@ int show_interrupts(struct seq_file *p,
/* display column title bar naming CPUs */
case 0:
seq_printf(p, " ");
- for (j = 0; j < NR_CPUS; j++)
+ for (j = 0; j < nr_cpu_ids; j++)
if (cpu_online(j))
seq_printf(p, "CPU%d ", j);
seq_putc(p, '\n');
@@ -241,7 +241,7 @@ int show_interrupts(struct seq_file *p,
/* polish off with NMI and error counters */
case NR_IRQS:
seq_printf(p, "NMI: ");
- for (j = 0; j < NR_CPUS; j++)
+ for (j = 0; j < nr_cpu_ids; j++)
if (cpu_online(j))
seq_printf(p, "%10u ", nmi_count(j));
seq_putc(p, '\n');
--- test-compile.orig/arch/mn10300/kernel/setup.c
+++ test-compile/arch/mn10300/kernel/setup.c
@@ -276,7 +276,7 @@ static int show_cpuinfo(struct seq_file

static void *c_start(struct seq_file *m, loff_t *pos)
{
- return *pos < NR_CPUS ? cpu_data + *pos : NULL;
+ return *pos < nr_cpu_ids ? cpu_data + *pos : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
--- test-compile.orig/arch/parisc/kernel/irq.c
+++ test-compile/arch/parisc/kernel/irq.c
@@ -309,11 +309,11 @@ unsigned long txn_alloc_addr(unsigned in
next_cpu++; /* assign to "next" CPU we want this bugger on */

/* validate entry */
- while ((next_cpu < NR_CPUS) && (!cpu_data[next_cpu].txn_addr ||
+ while ((next_cpu < nr_cpu_ids) && (!cpu_data[next_cpu].txn_addr ||
!cpu_online(next_cpu)))
next_cpu++;

- if (next_cpu >= NR_CPUS)
+ if (next_cpu >= nr_cpu_ids)
next_cpu = 0; /* nothing else, assign monarch */

return txn_affinity_addr(virt_irq, next_cpu);
--- test-compile.orig/arch/parisc/kernel/processor.c
+++ test-compile/arch/parisc/kernel/processor.c
@@ -83,8 +83,8 @@ static int __cpuinit processor_probe(str
struct cpuinfo_parisc *p;

#ifdef CONFIG_SMP
- if (num_online_cpus() >= NR_CPUS) {
- printk(KERN_INFO "num_online_cpus() >= NR_CPUS\n");
+ if (num_online_cpus() >= nr_cpu_ids) {
+ printk(KERN_INFO "num_online_cpus() >= nr_cpu_ids\n");
return 1;
}
#else
--- test-compile.orig/arch/powerpc/include/asm/cputhreads.h
+++ test-compile/arch/powerpc/include/asm/cputhreads.h
@@ -34,7 +34,7 @@ static inline cpumask_t cpu_thread_mask_
int i;

res = CPU_MASK_NONE;
- for (i = 0; i < NR_CPUS; i += threads_per_core) {
+ for (i = 0; i < nr_cpu_ids; i += threads_per_core) {
cpus_shift_left(tmp, threads_core_mask, i);
if (cpus_intersects(threads, tmp))
cpu_set(i, res);
--- test-compile.orig/arch/powerpc/kernel/irq.c
+++ test-compile/arch/powerpc/kernel/irq.c
@@ -232,7 +232,7 @@ void fixup_irqs(cpumask_t map)
continue;

cpus_and(mask, irq_desc[irq].affinity, map);
- if (any_online_cpu(mask) == NR_CPUS) {
+ if (any_online_cpu(mask) >= nr_cpu_ids) {
printk("Breaking affinity for irq %i\n", irq);
mask = map;
}
--- test-compile.orig/arch/powerpc/kernel/machine_kexec_64.c
+++ test-compile/arch/powerpc/kernel/machine_kexec_64.c
@@ -176,7 +176,7 @@ static void kexec_prepare_cpus(void)
my_cpu = get_cpu();

/* check the others cpus are now down (via paca hw cpu id == -1) */
- for (i=0; i < NR_CPUS; i++) {
+ for (i = 0; i < nr_cpu_ids; i++) {
if (i == my_cpu)
continue;

--- test-compile.orig/arch/powerpc/kernel/process.c
+++ test-compile/arch/powerpc/kernel/process.c
@@ -941,7 +941,7 @@ static inline int valid_irq_stack(unsign
* Avoid crashing if the stack has overflowed and corrupted
* task_cpu(p), which is in the thread_info struct.
*/
- if (cpu < NR_CPUS && cpu_possible(cpu)) {
+ if (cpu < nr_cpu_ids && cpu_possible(cpu)) {
stack_page = (unsigned long) hardirq_ctx[cpu];
if (sp >= stack_page + sizeof(struct thread_struct)
&& sp <= stack_page + THREAD_SIZE - nbytes)
--- test-compile.orig/arch/powerpc/kernel/setup-common.c
+++ test-compile/arch/powerpc/kernel/setup-common.c
@@ -166,7 +166,7 @@ static int show_cpuinfo(struct seq_file
unsigned short maj;
unsigned short min;

- if (cpu_id == NR_CPUS) {
+ if (cpu_id == nr_cpu_ids) {
struct device_node *root;
const char *model = NULL;
#if defined(CONFIG_SMP) && defined(CONFIG_PPC32)
@@ -196,7 +196,7 @@ static int show_cpuinfo(struct seq_file
/* We only show online cpus: disable preempt (overzealous, I
* knew) to prevent cpu going down. */
preempt_disable();
- if (!cpu_online(cpu_id)) {
+ if (cpu_id >= nr_cpu_ids || !cpu_online(cpu_id)) {
preempt_enable();
return 0;
}
@@ -307,7 +307,7 @@ static void *c_start(struct seq_file *m,
{
unsigned long i = *pos;

- return i <= NR_CPUS ? (void *)(i + 1) : NULL;
+ return i <= nr_cpu_ids ? (void *)(i + 1) : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
@@ -402,7 +402,7 @@ void __init smp_setup_cpu_maps(void)

DBG("smp_setup_cpu_maps()\n");

- while ((dn = of_find_node_by_type(dn, "cpu")) && cpu < NR_CPUS) {
+ while ((dn = of_find_node_by_type(dn, "cpu")) && cpu < nr_cpu_ids) {
const int *intserv;
int j, len;

@@ -421,7 +421,7 @@ void __init smp_setup_cpu_maps(void)
intserv = &cpu; /* assume logical == phys */
}

- for (j = 0; j < nthreads && cpu < NR_CPUS; j++) {
+ for (j = 0; j < nthreads && cpu < nr_cpu_ids; j++) {
DBG(" thread %d -> cpu %d (hard id %d)\n",
j, cpu, intserv[j]);
cpu_set(cpu, cpu_present_map);
--- test-compile.orig/arch/powerpc/mm/numa.c
+++ test-compile/arch/powerpc/mm/numa.c
@@ -765,7 +765,7 @@ void __init dump_numa_cpu_topology(void)
* If we used a CPU iterator here we would miss printing
* the holes in the cpumap.
*/
- for (cpu = 0; cpu < NR_CPUS; cpu++) {
+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) {
if (cpu_isset(cpu, numa_cpumask_lookup_table[node])) {
if (count == 0)
printk(" %u", cpu);
@@ -778,7 +778,7 @@ void __init dump_numa_cpu_topology(void)
}

if (count > 1)
- printk("-%u", NR_CPUS - 1);
+ printk("-%u", nr_cpu_ids - 1);
printk("\n");
}
}
--- test-compile.orig/arch/powerpc/platforms/powermac/setup.c
+++ test-compile/arch/powerpc/platforms/powermac/setup.c
@@ -365,7 +365,7 @@ static void __init pmac_setup_arch(void)
*/
int cpu;

- for (cpu = 1; cpu < 4 && cpu < NR_CPUS; ++cpu)
+ for (cpu = 1; cpu < 4 && cpu < nr_cpu_ids; ++cpu)
cpu_set(cpu, cpu_possible_map);
smp_ops = &psurge_smp_ops;
}
--- test-compile.orig/arch/powerpc/platforms/powermac/smp.c
+++ test-compile/arch/powerpc/platforms/powermac/smp.c
@@ -314,8 +314,8 @@ static int __init smp_psurge_probe(void)
* device tree for them, and smp_setup_cpu_maps hasn't
* set their bits in cpu_possible_map and cpu_present_map.
*/
- if (ncpus > NR_CPUS)
- ncpus = NR_CPUS;
+ if (ncpus > nr_cpu_ids)
+ ncpus = nr_cpu_ids;
for (i = 1; i < ncpus ; ++i) {
cpu_set(i, cpu_present_map);
set_hard_smp_processor_id(i, i);
--- test-compile.orig/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ test-compile/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -221,7 +221,7 @@ static void pseries_remove_processor(str
set_hard_smp_processor_id(cpu, -1);
break;
}
- if (cpu == NR_CPUS)
+ if (cpu >= nr_cpu_ids)
printk(KERN_WARNING "Could not find cpu to remove "
"with physical id 0x%x\n", intserv[i]);
}
--- test-compile.orig/arch/powerpc/platforms/pseries/rtasd.c
+++ test-compile/arch/powerpc/platforms/pseries/rtasd.c
@@ -400,7 +400,7 @@ static void do_event_scan_all_cpus(long
get_online_cpus();

cpu = next_cpu(cpu, cpu_online_map);
- if (cpu == NR_CPUS)
+ if (cpu >= nr_cpu_ids)
break;
}
put_online_cpus();
--- test-compile.orig/arch/powerpc/platforms/pseries/xics.c
+++ test-compile/arch/powerpc/platforms/pseries/xics.c
@@ -164,7 +164,7 @@ static int get_irq_server(unsigned int v

server = first_cpu(tmp);

- if (server < NR_CPUS)
+ if (server < nr_cpu_ids)
return get_hard_smp_processor_id(server);

if (strict_check)
--- test-compile.orig/arch/powerpc/xmon/xmon.c
+++ test-compile/arch/powerpc/xmon/xmon.c
@@ -938,7 +938,7 @@ static int cpu_cmd(void)
/* print cpus waiting or in xmon */
printf("cpus stopped:");
count = 0;
- for (cpu = 0; cpu < NR_CPUS; ++cpu) {
+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) {
if (cpu_isset(cpu, cpus_in_xmon)) {
if (count == 0)
printf(" %x", cpu);
@@ -950,7 +950,7 @@ static int cpu_cmd(void)
}
}
if (count > 1)
- printf("-%x", NR_CPUS - 1);
+ printf("-%x", nr_cpu_ids - 1);
printf("\n");
return 0;
}
--- test-compile.orig/arch/s390/kernel/smp.c
+++ test-compile/arch/s390/kernel/smp.c
@@ -444,7 +444,7 @@ static int smp_rescan_cpus_sigp(cpumask_
int cpu_id, logical_cpu;

logical_cpu = first_cpu(avail);
- if (logical_cpu == NR_CPUS)
+ if (logical_cpu >= nr_cpu_ids)
return 0;
for (cpu_id = 0; cpu_id <= 65535; cpu_id++) {
if (cpu_known(cpu_id))
@@ -456,7 +456,7 @@ static int smp_rescan_cpus_sigp(cpumask_
cpu_set(logical_cpu, cpu_present_map);
smp_cpu_state[logical_cpu] = CPU_STATE_CONFIGURED;
logical_cpu = next_cpu(logical_cpu, avail);
- if (logical_cpu == NR_CPUS)
+ if (logical_cpu >= nr_cpu_ids)
break;
}
return 0;
@@ -469,7 +469,7 @@ static int smp_rescan_cpus_sclp(cpumask_
int rc;

logical_cpu = first_cpu(avail);
- if (logical_cpu == NR_CPUS)
+ if (logical_cpu >= nr_cpu_ids)
return 0;
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (!info)
@@ -491,7 +491,7 @@ static int smp_rescan_cpus_sclp(cpumask_
else
smp_cpu_state[logical_cpu] = CPU_STATE_CONFIGURED;
logical_cpu = next_cpu(logical_cpu, avail);
- if (logical_cpu == NR_CPUS)
+ if (logical_cpu >= nr_cpu_ids)
break;
}
out:
@@ -733,7 +733,7 @@ static int __init setup_possible_cpus(ch

pcpus = simple_strtoul(s, NULL, 0);
cpu_possible_map = cpumask_of_cpu(0);
- for (cpu = 1; cpu < pcpus && cpu < NR_CPUS; cpu++)
+ for (cpu = 1; cpu < pcpus && cpu < nr_cpu_ids; cpu++)
cpu_set(cpu, cpu_possible_map);
return 0;
}
--- test-compile.orig/arch/sh/kernel/setup.c
+++ test-compile/arch/sh/kernel/setup.c
@@ -507,7 +507,7 @@ static int show_cpuinfo(struct seq_file

static void *c_start(struct seq_file *m, loff_t *pos)
{
- return *pos < NR_CPUS ? cpu_data + *pos : NULL;
+ return *pos < nr_cpu_ids ? cpu_data + *pos : NULL;
}
static void *c_next(struct seq_file *m, void *v, loff_t *pos)
{
--- test-compile.orig/arch/sparc/kernel/smp.c
+++ test-compile/arch/sparc/kernel/smp.c
@@ -72,13 +72,12 @@ void __init smp_cpus_done(unsigned int m
extern void smp4m_smp_done(void);
extern void smp4d_smp_done(void);
unsigned long bogosum = 0;
- int cpu, num;
+ int cpu, num = 0;

- for (cpu = 0, num = 0; cpu < NR_CPUS; cpu++)
- if (cpu_online(cpu)) {
- num++;
- bogosum += cpu_data(cpu).udelay_val;
- }
+ for_each_online_cpu(cpu) {
+ num++;
+ bogosum += cpu_data(cpu).udelay_val;
+ }

printk("Total of %d processors activated (%lu.%02lu BogoMIPS).\n",
num, bogosum/(500000/HZ),
--- test-compile.orig/arch/sparc/kernel/sun4d_smp.c
+++ test-compile/arch/sparc/kernel/sun4d_smp.c
@@ -228,11 +228,10 @@ void __init smp4d_smp_done(void)
/* setup cpu list for irq rotation */
first = 0;
prev = &first;
- for (i = 0; i < NR_CPUS; i++)
- if (cpu_online(i)) {
- *prev = i;
- prev = &cpu_data(i).next;
- }
+ for_each_online_cpu(i) {
+ *prev = i;
+ prev = &cpu_data(i).next;
+ }
*prev = first;
local_flush_cache_all();

--- test-compile.orig/arch/sparc/kernel/sun4m_smp.c
+++ test-compile/arch/sparc/kernel/sun4m_smp.c
@@ -185,11 +185,9 @@ void __init smp4m_smp_done(void)
/* setup cpu list for irq rotation */
first = 0;
prev = &first;
- for (i = 0; i < NR_CPUS; i++) {
- if (cpu_online(i)) {
- *prev = i;
- prev = &cpu_data(i).next;
- }
+ for_each_online_cpu(i) {
+ *prev = i;
+ prev = &cpu_data(i).next;
}
*prev = first;
local_flush_cache_all();
--- test-compile.orig/arch/sparc/mm/srmmu.c
+++ test-compile/arch/sparc/mm/srmmu.c
@@ -1427,7 +1427,7 @@ static void __init init_vac_layout(void)
min_line_size = vac_line_size;
//FIXME: cpus not contiguous!!
cpu++;
- if (cpu >= NR_CPUS || !cpu_online(cpu))
+ if (cpu >= nr_cpu_ids || !cpu_online(cpu))
break;
#else
break;
--- test-compile.orig/arch/sparc64/kernel/ds.c
+++ test-compile/arch/sparc64/kernel/ds.c
@@ -653,7 +653,7 @@ static void __cpuinit dr_cpu_data(struct
if (cpu_list[i] == CPU_SENTINEL)
continue;

- if (cpu_list[i] < NR_CPUS)
+ if (cpu_list[i] < nr_cpu_ids)
cpu_set(cpu_list[i], mask);
}

--- test-compile.orig/arch/sparc64/kernel/irq.c
+++ test-compile/arch/sparc64/kernel/irq.c
@@ -260,12 +260,12 @@ static int irq_choose_cpu(unsigned int v
spin_lock_irqsave(&irq_rover_lock, flags);

while (!cpu_online(irq_rover)) {
- if (++irq_rover >= NR_CPUS)
+ if (++irq_rover >= nr_cpu_ids)
irq_rover = 0;
}
cpuid = irq_rover;
do {
- if (++irq_rover >= NR_CPUS)
+ if (++irq_rover >= nr_cpu_ids)
irq_rover = 0;
} while (!cpu_online(irq_rover));

--- test-compile.orig/arch/sparc64/mm/init.c
+++ test-compile/arch/sparc64/mm/init.c
@@ -1080,7 +1080,7 @@ static void __init numa_parse_mdesc_grou
if (strcmp(name, "cpu"))
continue;
id = mdesc_get_property(md, target, "id", NULL);
- if (*id < NR_CPUS)
+ if (*id < nr_cpu_ids)
cpu_set(*id, *mask);
}
}
--- test-compile.orig/arch/um/kernel/um_arch.c
+++ test-compile/arch/um/kernel/um_arch.c
@@ -80,7 +80,7 @@ static int show_cpuinfo(struct seq_file

static void *c_start(struct seq_file *m, loff_t *pos)
{
- return *pos < NR_CPUS ? cpu_data + *pos : NULL;
+ return *pos < nr_cpu_ids ? cpu_data + *pos : NULL;
}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)
--- test-compile.orig/arch/x86/kernel/apic.c
+++ test-compile/arch/x86/kernel/apic.c
@@ -2106,7 +2106,7 @@ __cpuinit int apic_is_clustered_box(void
bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid);
bitmap_zero(clustermap, NUM_APIC_CLUSTERS);

- for (i = 0; i < NR_CPUS; i++) {
+ for (i = 0; i < nr_cpu_ids; i++) {
/* are we being called early in kernel startup? */
if (bios_cpu_apicid) {
id = bios_cpu_apicid[i];
--- test-compile.orig/arch/x86/kernel/irq_32.c
+++ test-compile/arch/x86/kernel/irq_32.c
@@ -246,7 +246,7 @@ void fixup_irqs(cpumask_t map)
continue;

cpus_and(mask, desc->affinity, map);
- if (any_online_cpu(mask) == NR_CPUS) {
+ if (any_online_cpu(mask) >= nr_cpu_ids) {
printk("Breaking affinity for irq %i\n", irq);
mask = map;
}
--- test-compile.orig/arch/x86/mach-voyager/voyager_smp.c
+++ test-compile/arch/x86/mach-voyager/voyager_smp.c
@@ -668,7 +668,7 @@ void __init smp_boot_cpus(void)

/* loop over all the extended VIC CPUs and boot them. The
* Quad CPUs must be bootstrapped by their extended VIC cpu */
- for (i = 0; i < NR_CPUS; i++) {
+ for (i = 0; i < nr_cpu_ids; i++) {
if (i == boot_cpu_id || !cpu_isset(i, phys_cpu_present_map))
continue;
do_boot_cpu(i);
--- test-compile.orig/arch/x86/mm/numa_64.c
+++ test-compile/arch/x86/mm/numa_64.c
@@ -278,7 +278,7 @@ void __init numa_init_array(void)
int rr, i;

rr = first_node(node_online_map);
- for (i = 0; i < NR_CPUS; i++) {
+ for (i = 0; i < nr_cpu_ids; i++) {
if (early_cpu_to_node(i) != NUMA_NO_NODE)
continue;
numa_set_node(i, rr);
@@ -549,7 +549,7 @@ void __init initmem_init(unsigned long s
memnodemap[0] = 0;
node_set_online(0);
node_set(0, node_possible_map);
- for (i = 0; i < NR_CPUS; i++)
+ for (i = 0; i < nr_cpu_ids; i++)
numa_set_node(i, 0);
e820_register_active_regions(0, start_pfn, last_pfn);
setup_node_bootmem(0, start_pfn << PAGE_SHIFT, last_pfn << PAGE_SHIFT);
--- test-compile.orig/arch/x86/mm/srat_64.c
+++ test-compile/arch/x86/mm/srat_64.c
@@ -382,7 +382,7 @@ int __init acpi_scan_nodes(unsigned long
if (!node_online(i))
setup_node_bootmem(i, nodes[i].start, nodes[i].end);

- for (i = 0; i < NR_CPUS; i++) {
+ for (i = 0; i < nr_cpu_ids; i++) {
int node = early_cpu_to_node(i);

if (node == NUMA_NO_NODE)
--- test-compile.orig/drivers/infiniband/hw/ehca/ehca_irq.c
+++ test-compile/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -922,7 +922,7 @@ void ehca_destroy_comp_pool(void)

unregister_hotcpu_notifier(&comp_pool_callback_nb);

- for (i = 0; i < NR_CPUS; i++) {
+ for (i = 0; i < nr_cpu_ids; i++) {
if (cpu_online(i))
destroy_comp_task(pool, i);
}
--- test-compile.orig/kernel/kexec.c
+++ test-compile/kernel/kexec.c
@@ -1115,7 +1115,7 @@ void crash_save_cpu(struct pt_regs *regs
struct elf_prstatus prstatus;
u32 *buf;

- if ((cpu < 0) || (cpu >= NR_CPUS))
+ if ((cpu < 0) || (cpu >= nr_cpu_ids))
return;

/* Using ELF notes here is opportunistic.
--- test-compile.orig/kernel/smp.c
+++ test-compile/kernel/smp.c
@@ -222,7 +222,7 @@ int smp_call_function_single(int cpu, vo
local_irq_save(flags);
func(info);
local_irq_restore(flags);
- } else if ((unsigned)cpu < NR_CPUS && cpu_online(cpu)) {
+ } else if ((unsigned)cpu < nr_cpu_ids && cpu_online(cpu)) {
struct call_single_data *data = NULL;

if (!wait) {
--- test-compile.orig/net/core/neighbour.c
+++ test-compile/net/core/neighbour.c
@@ -2423,7 +2423,7 @@ static void *neigh_stat_seq_start(struct
if (*pos == 0)
return SEQ_START_TOKEN;

- for (cpu = *pos-1; cpu < NR_CPUS; ++cpu) {
+ for (cpu = *pos-1; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
@@ -2438,7 +2438,7 @@ static void *neigh_stat_seq_next(struct
struct neigh_table *tbl = pde->data;
int cpu;

- for (cpu = *pos; cpu < NR_CPUS; ++cpu) {
+ for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
--- test-compile.orig/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
+++ test-compile/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
@@ -291,7 +291,7 @@ static void *ct_cpu_seq_start(struct seq
if (*pos == 0)
return SEQ_START_TOKEN;

- for (cpu = *pos-1; cpu < NR_CPUS; ++cpu) {
+ for (cpu = *pos-1; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
@@ -306,7 +306,7 @@ static void *ct_cpu_seq_next(struct seq_
struct net *net = seq_file_net(seq);
int cpu;

- for (cpu = *pos; cpu < NR_CPUS; ++cpu) {
+ for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
--- test-compile.orig/net/ipv4/route.c
+++ test-compile/net/ipv4/route.c
@@ -427,7 +427,7 @@ static void *rt_cpu_seq_start(struct seq
if (*pos == 0)
return SEQ_START_TOKEN;

- for (cpu = *pos-1; cpu < NR_CPUS; ++cpu) {
+ for (cpu = *pos-1; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
@@ -440,7 +440,7 @@ static void *rt_cpu_seq_next(struct seq_
{
int cpu;

- for (cpu = *pos; cpu < NR_CPUS; ++cpu) {
+ for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu+1;
--- test-compile.orig/net/netfilter/nf_conntrack_standalone.c
+++ test-compile/net/netfilter/nf_conntrack_standalone.c
@@ -200,7 +200,7 @@ static void *ct_cpu_seq_start(struct seq
if (*pos == 0)
return SEQ_START_TOKEN;

- for (cpu = *pos-1; cpu < NR_CPUS; ++cpu) {
+ for (cpu = *pos-1; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu + 1;
@@ -215,7 +215,7 @@ static void *ct_cpu_seq_next(struct seq_
struct net *net = seq_file_net(seq);
int cpu;

- for (cpu = *pos; cpu < NR_CPUS; ++cpu) {
+ for (cpu = *pos; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu + 1;
--- test-compile.orig/security/selinux/selinuxfs.c
+++ test-compile/security/selinux/selinuxfs.c
@@ -1206,7 +1206,7 @@ static struct avc_cache_stats *sel_avc_g
{
int cpu;

- for (cpu = *idx; cpu < NR_CPUS; ++cpu) {
+ for (cpu = *idx; cpu < nr_cpu_ids; ++cpu) {
if (!cpu_possible(cpu))
continue;
*idx = cpu + 1;

--
--
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