* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: (39 commits)
cpumask: Move deprecated functions to end of header.
cpumask: remove unused deprecated functions, avoid accusations of insanity
cpumask: use new-style cpumask ops in mm/quicklist.
cpumask: use mm_cpumask() wrapper: x86
cpumask: use mm_cpumask() wrapper: um
cpumask: use mm_cpumask() wrapper: mips
cpumask: use mm_cpumask() wrapper: mn10300
cpumask: use mm_cpumask() wrapper: m32r
cpumask: use mm_cpumask() wrapper: arm
cpumask: Use accessors for cpu_*_mask: um
cpumask: Use accessors for cpu_*_mask: powerpc
cpumask: Use accessors for cpu_*_mask: mips
cpumask: Use accessors for cpu_*_mask: m32r
cpumask: remove arch_send_call_function_ipi
cpumask: arch_send_call_function_ipi_mask: s390
cpumask: arch_send_call_function_ipi_mask: powerpc
cpumask: arch_send_call_function_ipi_mask: mips
cpumask: arch_send_call_function_ipi_mask: m32r
cpumask: arch_send_call_function_ipi_mask: alpha
cpumask: remove obsolete topology_core_siblings and topology_thread_siblings: ia64
...
extern int smp_num_cpus;
extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
#else /* CONFIG_SMP */
return node;
}
-static inline cpumask_t node_to_cpumask(int node)
-{
- cpumask_t node_cpu_mask = CPU_MASK_NONE;
- int cpu;
-
- for_each_online_cpu(cpu) {
- if (cpu_to_node(cpu) == node)
- cpu_set(cpu, node_cpu_mask);
- }
-
-#ifdef DEBUG_NUMA
- printk("node %d: cpu_mask: %016lx\n", node, node_cpu_mask);
-#endif
-
- return node_cpu_mask;
-}
-
extern struct cpumask node_to_cpumask_map[];
/* FIXME: This is dumb, recalculating every time. But simple. */
static const struct cpumask *cpumask_of_node(int node)
return &node_to_cpumask_map[node];
}
-#define pcibus_to_cpumask(bus) (cpu_online_map)
#define cpumask_of_pcibus(bus) (cpu_online_mask)
#endif /* !CONFIG_NUMA */
\f
static void
-send_ipi_message(cpumask_t to_whom, enum ipi_message_type operation)
+send_ipi_message(const struct cpumask *to_whom, enum ipi_message_type operation)
{
int i;
mb();
- for_each_cpu_mask(i, to_whom)
+ for_each_cpu(i, to_whom)
set_bit(operation, &ipi_data[i].bits);
mb();
- for_each_cpu_mask(i, to_whom)
+ for_each_cpu(i, to_whom)
wripir(i);
}
printk(KERN_WARNING
"smp_send_reschedule: Sending IPI to self.\n");
#endif
- send_ipi_message(cpumask_of_cpu(cpu), IPI_RESCHEDULE);
+ send_ipi_message(cpumask_of(cpu), IPI_RESCHEDULE);
}
void
if (hard_smp_processor_id() != boot_cpu_id)
printk(KERN_WARNING "smp_send_stop: Not on boot cpu.\n");
#endif
- send_ipi_message(to_whom, IPI_CPU_STOP);
+ send_ipi_message(&to_whom, IPI_CPU_STOP);
}
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
send_ipi_message(mask, IPI_CALL_FUNC);
}
void arch_send_call_function_single_ipi(int cpu)
{
- send_ipi_message(cpumask_of_cpu(cpu), IPI_CALL_FUNC_SINGLE);
+ send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
}
static void
#ifndef CONFIG_CPU_CACHE_VIPT
static inline void flush_cache_mm(struct mm_struct *mm)
{
- if (cpu_isset(smp_processor_id(), mm->cpu_vm_mask))
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm)))
__cpuc_flush_user_all();
}
static inline void
flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)
{
- if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask))
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm)))
__cpuc_flush_user_range(start & PAGE_MASK, PAGE_ALIGN(end),
vma->vm_flags);
}
static inline void
flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn)
{
- if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) {
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
unsigned long addr = user_addr & PAGE_MASK;
__cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags);
}
unsigned long uaddr, void *kaddr,
unsigned long len, int write)
{
- if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) {
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
unsigned long addr = (unsigned long)kaddr;
__cpuc_coherent_kern_range(addr, addr + len);
}
#ifdef CONFIG_SMP
/* check for possible thread migration */
- if (!cpus_empty(next->cpu_vm_mask) && !cpu_isset(cpu, next->cpu_vm_mask))
+ if (!cpumask_empty(mm_cpumask(next)) &&
+ !cpumask_test_cpu(cpu, mm_cpumask(next)))
__flush_icache_all();
#endif
- if (!cpu_test_and_set(cpu, next->cpu_vm_mask) || prev != next) {
+ if (!cpumask_test_and_set_cpu(cpu, mm_cpumask(next)) || prev != next) {
check_context(next);
cpu_switch_mm(next->pgd, next);
if (cache_is_vivt())
- cpu_clear(cpu, prev->cpu_vm_mask);
+ cpumask_clear_cpu(cpu, mm_cpumask(prev));
}
#endif
}
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
-#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
/*
* show local interrupt info
if (tlb_flag(TLB_WB))
dsb();
- if (cpu_isset(smp_processor_id(), mm->cpu_vm_mask)) {
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm))) {
if (tlb_flag(TLB_V3_FULL))
asm("mcr p15, 0, %0, c6, c0, 0" : : "r" (zero) : "cc");
if (tlb_flag(TLB_V4_U_FULL))
if (tlb_flag(TLB_WB))
dsb();
- if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) {
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
if (tlb_flag(TLB_V3_PAGE))
asm("mcr p15, 0, %0, c6, c0, 0" : : "r" (uaddr) : "cc");
if (tlb_flag(TLB_V4_U_PAGE))
read_lock(&tasklist_lock);
for_each_process(p) {
if (p->mm)
- cpu_clear(cpu, p->mm->cpu_vm_mask);
+ cpumask_clear_cpu(cpu, mm_cpumask(p->mm));
}
read_unlock(&tasklist_lock);
atomic_inc(&mm->mm_users);
atomic_inc(&mm->mm_count);
current->active_mm = mm;
- cpu_set(cpu, mm->cpu_vm_mask);
+ cpumask_set_cpu(cpu, mm_cpumask(mm));
cpu_switch_mm(mm->pgd, mm);
enter_lazy_tlb(mm, current);
local_flush_tlb_all();
void flush_tlb_mm(struct mm_struct *mm)
{
if (tlb_ops_need_broadcast())
- on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, &mm->cpu_vm_mask);
+ on_each_cpu_mask(ipi_flush_tlb_mm, mm, 1, mm_cpumask(mm));
else
local_flush_tlb_mm(mm);
}
struct tlb_args ta;
ta.ta_vma = vma;
ta.ta_start = uaddr;
- on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, &vma->vm_mm->cpu_vm_mask);
+ on_each_cpu_mask(ipi_flush_tlb_page, &ta, 1, mm_cpumask(vma->vm_mm));
} else
local_flush_tlb_page(vma, uaddr);
}
ta.ta_vma = vma;
ta.ta_start = start;
ta.ta_end = end;
- on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, &vma->vm_mm->cpu_vm_mask);
+ on_each_cpu_mask(ipi_flush_tlb_range, &ta, 1, mm_cpumask(vma->vm_mm));
} else
local_flush_tlb_range(vma, start, end);
}
}
spin_unlock(&cpu_asid_lock);
- mm->cpu_vm_mask = cpumask_of_cpu(smp_processor_id());
+ cpumask_copy(mm_cpumask(mm), cpumask_of(smp_processor_id()));
mm->context.id = asid;
}
void flush_cache_mm(struct mm_struct *mm)
{
if (cache_is_vivt()) {
- if (cpu_isset(smp_processor_id(), mm->cpu_vm_mask))
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(mm)))
__cpuc_flush_user_all();
return;
}
void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end)
{
if (cache_is_vivt()) {
- if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask))
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm)))
__cpuc_flush_user_range(start & PAGE_MASK, PAGE_ALIGN(end),
vma->vm_flags);
return;
void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn)
{
if (cache_is_vivt()) {
- if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) {
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
unsigned long addr = user_addr & PAGE_MASK;
__cpuc_flush_user_range(addr, addr + PAGE_SIZE, vma->vm_flags);
}
unsigned long len, int write)
{
if (cache_is_vivt()) {
- if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask)) {
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm))) {
unsigned long addr = (unsigned long)kaddr;
__cpuc_coherent_kern_range(addr, addr + len);
}
}
/* VIPT non-aliasing cache */
- if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask) &&
+ if (cpumask_test_cpu(smp_processor_id(), mm_cpumask(vma->vm_mm)) &&
vma->vm_flags & VM_EXEC) {
unsigned long addr = (unsigned long)kaddr;
/* only flushing the kernel mapping on non-aliasing VIPT */
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
-#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
#else /* CONFIG_SMP */
/*
* Returns a bitmask of CPUs on Node 'node'.
*/
-#define node_to_cpumask(node) (node_to_cpu_mask[node])
#define cpumask_of_node(node) (&node_to_cpu_mask[node])
/*
#ifdef CONFIG_SMP
#define topology_physical_package_id(cpu) (cpu_data(cpu)->socket_id)
#define topology_core_id(cpu) (cpu_data(cpu)->core_id)
-#define topology_core_siblings(cpu) (cpu_core_map[cpu])
-#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu))
#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
#define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
#define smt_capable() (smp_num_siblings > 1)
return;
}
- smp_call_function_mask(mm->cpu_vm_mask,
+ smp_call_function_many(mm_cpumask(mm),
(void (*)(void *))local_finish_flush_tlb_mm, mm, 1);
local_irq_disable();
local_finish_flush_tlb_mm(mm);
if (prev != next) {
#ifdef CONFIG_SMP
- cpu_set(cpu, next->cpu_vm_mask);
+ cpumask_set_cpu(cpu, mm_cpumask(next));
#endif /* CONFIG_SMP */
/* Set MPTB = next->pgd */
*(volatile unsigned long *)MPTB = (unsigned long)next->pgd;
}
#ifdef CONFIG_SMP
else
- if (!cpu_test_and_set(cpu, next->cpu_vm_mask))
+ if (!cpumask_test_and_set_cpu(cpu, mm_cpumask(next)))
activate_context(next);
#endif /* CONFIG_SMP */
}
extern unsigned long send_IPI_mask_phys(cpumask_t, int, int);
extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
#endif /* not __ASSEMBLY__ */
void smp_local_timer_interrupt(void);
static void send_IPI_allbutself(int, int);
-static void send_IPI_mask(cpumask_t, int, int);
+static void send_IPI_mask(const struct cpumask *, int, int);
unsigned long send_IPI_mask_phys(cpumask_t, int, int);
/*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*=*/
void smp_send_reschedule(int cpu_id)
{
WARN_ON(cpu_is_offline(cpu_id));
- send_IPI_mask(cpumask_of_cpu(cpu_id), RESCHEDULE_IPI, 1);
+ send_IPI_mask(cpumask_of(cpu_id), RESCHEDULE_IPI, 1);
}
/*==========================================================================*
spin_lock(&flushcache_lock);
mask=cpus_addr(cpumask);
atomic_set_mask(*mask, (atomic_t *)&flushcache_cpumask);
- send_IPI_mask(cpumask, INVALIDATE_CACHE_IPI, 0);
+ send_IPI_mask(&cpumask, INVALIDATE_CACHE_IPI, 0);
_flush_cache_copyback_all();
while (flushcache_cpumask)
mb();
preempt_disable();
cpu_id = smp_processor_id();
mmc = &mm->context[cpu_id];
- cpu_mask = mm->cpu_vm_mask;
+ cpu_mask = *mm_cpumask(mm);
cpu_clear(cpu_id, cpu_mask);
if (*mmc != NO_CONTEXT) {
if (mm == current->mm)
activate_context(mm);
else
- cpu_clear(cpu_id, mm->cpu_vm_mask);
+ cpumask_clear_cpu(cpu_id, mm_cpumask(mm));
local_irq_restore(flags);
}
if (!cpus_empty(cpu_mask))
preempt_disable();
cpu_id = smp_processor_id();
mmc = &mm->context[cpu_id];
- cpu_mask = mm->cpu_vm_mask;
+ cpu_mask = *mm_cpumask(mm);
cpu_clear(cpu_id, cpu_mask);
#ifdef DEBUG_SMP
* We have to send the IPI only to
* CPUs affected.
*/
- send_IPI_mask(cpumask, INVALIDATE_TLB_IPI, 0);
+ send_IPI_mask(&cpumask, INVALIDATE_TLB_IPI, 0);
while (!cpus_empty(flush_cpumask)) {
/* nothing. lockup detection does not belong here */
if (flush_mm == current->active_mm)
activate_context(flush_mm);
else
- cpu_clear(cpu_id, flush_mm->cpu_vm_mask);
+ cpumask_clear_cpu(cpu_id, mm_cpumask(flush_mm));
} else {
unsigned long va = flush_va;
for ( ; ; );
}
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
send_IPI_mask(mask, CALL_FUNCTION_IPI, 0);
}
void arch_send_call_function_single_ipi(int cpu)
{
- send_IPI_mask(cpumask_of_cpu(cpu), CALL_FUNC_SINGLE_IPI, 0);
+ send_IPI_mask(cpumask_of(cpu), CALL_FUNC_SINGLE_IPI, 0);
}
/*==========================================================================*
cpumask = cpu_online_map;
cpu_clear(smp_processor_id(), cpumask);
- send_IPI_mask(cpumask, ipi_num, try);
+ send_IPI_mask(&cpumask, ipi_num, try);
}
/*==========================================================================*
* ---------- --- --------------------------------------------------------
*
*==========================================================================*/
-static void send_IPI_mask(cpumask_t cpumask, int ipi_num, int try)
+static void send_IPI_mask(const struct cpumask *cpumask, int ipi_num, int try)
{
cpumask_t physid_mask, tmp;
int cpu_id, phys_id;
if (num_cpus <= 1) /* NO MP */
return;
- cpus_and(tmp, cpumask, cpu_online_map);
- BUG_ON(!cpus_equal(cpumask, tmp));
+ cpumask_and(&tmp, cpumask, cpu_online_mask);
+ BUG_ON(!cpumask_equal(cpumask, &tmp));
physid_mask = CPU_MASK_NONE;
- for_each_cpu_mask(cpu_id, cpumask){
+ for_each_cpu(cpu_id, cpumask) {
if ((phys_id = cpu_to_physid(cpu_id)) != -1)
cpu_set(phys_id, physid_mask);
}
for (phys_id = 0 ; phys_id < nr_cpu ; phys_id++)
physid_set(phys_id, phys_cpu_present_map);
#ifndef CONFIG_HOTPLUG_CPU
- cpu_present_map = cpu_possible_map;
+ init_cpu_present(&cpu_possible_map);
#endif
show_mp_info(nr_cpu);
.irq = AU1000_RTC_MATCH2_INT,
.set_next_event = au1x_rtcmatch2_set_next_event,
.set_mode = au1x_rtcmatch2_set_mode,
- .cpumask = CPU_MASK_ALL_PTR,
+ .cpumask = cpu_all_mask,
};
static struct irqaction au1x_rtcmatch2_irqaction = {
#define cpu_to_node(cpu) (sn_cpu_info[(cpu)].p_nodeid)
#define parent_node(node) (node)
-#define node_to_cpumask(node) (hub_data(node)->h_cpus)
#define cpumask_of_node(node) (&hub_data(node)->h_cpus)
struct pci_bus;
extern int pcibus_to_node(struct pci_bus *);
-#define pcibus_to_cpumask(bus) (cpu_online_map)
#define cpumask_of_pcibus(bus) (cpu_online_mask)
extern unsigned char __node_distances[MAX_COMPACT_NODES][MAX_COMPACT_NODES];
* Mark current->active_mm as not "active" anymore.
* We don't want to mislead possible IPI tlb flush routines.
*/
- cpu_clear(cpu, prev->cpu_vm_mask);
- cpu_set(cpu, next->cpu_vm_mask);
+ cpumask_clear_cpu(cpu, mm_cpumask(prev));
+ cpumask_set_cpu(cpu, mm_cpumask(next));
local_irq_restore(flags);
}
TLBMISS_HANDLER_SETUP_PGD(next->pgd);
/* mark mmu ownership change */
- cpu_clear(cpu, prev->cpu_vm_mask);
- cpu_set(cpu, next->cpu_vm_mask);
+ cpumask_clear_cpu(cpu, mm_cpumask(prev));
+ cpumask_set_cpu(cpu, mm_cpumask(next));
local_irq_restore(flags);
}
local_irq_save(flags);
- if (cpu_isset(cpu, mm->cpu_vm_mask)) {
+ if (cpumask_test_cpu(cpu, mm_cpumask(mm))) {
get_new_mmu_context(mm, cpu);
#ifdef CONFIG_MIPS_MT_SMTC
/* See comments for similar code above */
struct plat_smp_ops {
void (*send_ipi_single)(int cpu, unsigned int action);
- void (*send_ipi_mask)(cpumask_t mask, unsigned int action);
+ void (*send_ipi_mask)(const struct cpumask *mask, unsigned int action);
void (*init_secondary)(void);
void (*smp_finish)(void);
void (*cpus_done)(void);
extern asmlinkage void smp_call_function_interrupt(void);
extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
#endif /* __ASM_SMP_H */
local_irq_restore(flags);
}
-static void cmp_send_ipi_mask(cpumask_t mask, unsigned int action)
+static void cmp_send_ipi_mask(const struct cpumask *mask, unsigned int action)
{
unsigned int i;
- for_each_cpu_mask(i, mask)
+ for_each_cpu(i, mask)
cmp_send_ipi_single(i, action);
}
for (i = 1; i < NR_CPUS; i++) {
if (amon_cpu_avail(i)) {
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
__cpu_number_map[i] = ++ncpu;
__cpu_logical_map[ncpu] = i;
}
write_vpe_c0_vpeconf0(tmp);
/* Record this as available CPU */
- cpu_set(tc, cpu_possible_map);
+ set_cpu_possible(tc, true);
__cpu_number_map[tc] = ++ncpu;
__cpu_logical_map[ncpu] = tc;
}
local_irq_restore(flags);
}
-static void vsmp_send_ipi_mask(cpumask_t mask, unsigned int action)
+static void vsmp_send_ipi_mask(const struct cpumask *mask, unsigned int action)
{
unsigned int i;
- for_each_cpu_mask(i, mask)
+ for_each_cpu(i, mask)
vsmp_send_ipi_single(i, action);
}
panic(KERN_ERR "%s called", __func__);
}
-static inline void up_send_ipi_mask(cpumask_t mask, unsigned int action)
+static inline void up_send_ipi_mask(const struct cpumask *mask,
+ unsigned int action)
{
panic(KERN_ERR "%s called", __func__);
}
cpu_idle();
}
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
mp_ops->send_ipi_mask(mask, SMP_CALL_FUNCTION);
}
mp_ops->prepare_cpus(max_cpus);
set_cpu_sibling_map(0);
#ifndef CONFIG_HOTPLUG_CPU
- cpu_present_map = cpu_possible_map;
+ init_cpu_present(&cpu_possible_map);
#endif
}
/* preload SMP state for boot cpu */
void __devinit smp_prepare_boot_cpu(void)
{
- cpu_set(0, cpu_possible_map);
- cpu_set(0, cpu_online_map);
+ set_cpu_possible(0, true);
+ set_cpu_online(0, true);
cpu_set(0, cpu_callin_map);
}
*/
ntcs = ((read_c0_mvpconf0() & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1;
for (i=start_cpu_slot; i<NR_CPUS && i<ntcs; i++) {
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
__cpu_number_map[i] = i;
__cpu_logical_map[i] = i;
}
* Pull any physically present but unused TCs out of circulation.
*/
while (tc < (((val & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1)) {
- cpu_clear(tc, cpu_possible_map);
- cpu_clear(tc, cpu_present_map);
+ set_cpu_possible(tc, false);
+ set_cpu_present(tc, false);
tc++;
}
/* "CPU" may be TC of same VPE, VPE of same CPU, or different CPU */
}
-static inline void ssmtc_send_ipi_mask(cpumask_t mask, unsigned int action)
+static inline void ssmtc_send_ipi_mask(const struct cpumask *mask,
+ unsigned int action)
{
unsigned int i;
- for_each_cpu_mask(i, mask)
+ for_each_cpu(i, mask)
ssmtc_send_ipi_single(i, action);
}
* cores it has been used on
*/
if (vma)
- mask = vma->vm_mm->cpu_vm_mask;
+ mask = *mm_cpumask(vma->vm_mm);
else
mask = cpu_online_map;
cpu_clear(cpu, mask);
smtc_send_ipi(cpu, LINUX_SMP_IPI, action);
}
-static void msmtc_send_ipi_mask(cpumask_t mask, unsigned int action)
+static void msmtc_send_ipi_mask(const struct cpumask *mask, unsigned int action)
{
unsigned int i;
- for_each_cpu_mask(i, mask)
+ for_each_cpu(i, mask)
msmtc_send_ipi_single(i, action);
}
}
}
-static void yos_send_ipi_mask(cpumask_t mask, unsigned int action)
+static void yos_send_ipi_mask(const struct cpumask *mask, unsigned int action)
{
unsigned int i;
- for_each_cpu_mask(i, mask)
+ for_each_cpu(i, mask)
yos_send_ipi_single(i, action);
}
/*
* A node with nothing. We use it to avoid any special casing in
- * node_to_cpumask
+ * cpumask_of_node
*/
static struct node_data null_node = {
.hub = {
REMOTE_HUB_SEND_INTR(COMPACT_TO_NASID_NODEID(cpu_to_node(destid)), irq);
}
-static void ip27_send_ipi_mask(cpumask_t mask, unsigned int action)
+static void ip27_send_ipi(const struct cpumask *mask, unsigned int action)
{
unsigned int i;
- for_each_cpu_mask(i, mask)
+ for_each_cpu(i, mask)
ip27_send_ipi_single(i, action);
}
__raw_writeq((((u64)action)<< 48), mailbox_0_set_regs[cpu]);
}
-static void bcm1480_send_ipi_mask(cpumask_t mask, unsigned int action)
+static void bcm1480_send_ipi_mask(const struct cpumask *mask,
+ unsigned int action)
{
unsigned int i;
- for_each_cpu_mask(i, mask)
+ for_each_cpu(i, mask)
bcm1480_send_ipi_single(i, action);
}
__raw_writeq((((u64)action) << 48), mailbox_set_regs[cpu]);
}
-static inline void sb1250_send_ipi_mask(cpumask_t mask, unsigned int action)
+static inline void sb1250_send_ipi_mask(const struct cpumask *mask,
+ unsigned int action)
{
unsigned int i;
- for_each_cpu_mask(i, mask)
+ for_each_cpu(i, mask)
sb1250_send_ipi_single(i, action);
}
#define enter_lazy_tlb(mm, tsk) do {} while (0)
#ifdef CONFIG_SMP
-#define cpu_ran_vm(cpu, task) \
- cpu_set((cpu), (task)->cpu_vm_mask)
-#define cpu_maybe_ran_vm(cpu, task) \
- cpu_test_and_set((cpu), (task)->cpu_vm_mask)
+#define cpu_ran_vm(cpu, mm) \
+ cpumask_set_cpu((cpu), mm_cpumask(mm))
+#define cpu_maybe_ran_vm(cpu, mm) \
+ cpumask_test_and_set_cpu((cpu), mm_cpumask(mm))
#else
-#define cpu_ran_vm(cpu, task) do {} while (0)
-#define cpu_maybe_ran_vm(cpu, task) true
+#define cpu_ran_vm(cpu, mm) do {} while (0)
+#define cpu_maybe_ran_vm(cpu, mm) true
#endif /* CONFIG_SMP */
/*
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
-#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
#endif /* !ASSEMBLY */
extern struct smp_ops_t *smp_ops;
extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
/* Definitions relative to the secondary CPU spin loop
* and entry point. Not all of them exist on both 32 and
#define parent_node(node) (node)
-static inline cpumask_t node_to_cpumask(int node)
-{
- return numa_cpumask_lookup_table[node];
-}
-
#define cpumask_of_node(node) (&numa_cpumask_lookup_table[node])
int of_node_to_nid(struct device_node *device);
}
#endif
-#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \
- CPU_MASK_ALL : \
- node_to_cpumask(pcibus_to_node(bus)) \
- )
-
#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
cpu_all_mask : \
cpumask_of_node(pcibus_to_node(bus)))
#ifdef CONFIG_PPC64
#include <asm/smp.h>
-#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu))
-#define topology_core_siblings(cpu) (per_cpu(cpu_core_map, cpu))
#define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
#define topology_core_cpumask(cpu) (&per_cpu(cpu_core_map, cpu))
#define topology_core_id(cpu) (cpu_to_core_id(cpu))
for (j = 0; j < nthreads && cpu < NR_CPUS; j++) {
DBG(" thread %d -> cpu %d (hard id %d)\n",
j, cpu, intserv[j]);
- cpu_set(cpu, cpu_present_map);
+ set_cpu_present(cpu, true);
set_hard_smp_processor_id(cpu, intserv[j]);
- cpu_set(cpu, cpu_possible_map);
+ set_cpu_possible(cpu, true);
cpu++;
}
}
maxcpus);
for (cpu = 0; cpu < maxcpus; cpu++)
- cpu_set(cpu, cpu_possible_map);
+ set_cpu_possible(cpu, true);
out:
of_node_put(dn);
}
smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNC_SINGLE);
}
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
unsigned int cpu;
- for_each_cpu_mask(cpu, mask)
+ for_each_cpu(cpu, mask)
smp_ops->message_pass(cpu, PPC_MSG_CALL_FUNCTION);
}
{
BUG_ON(smp_processor_id() != boot_cpuid);
- cpu_set(boot_cpuid, cpu_online_map);
+ set_cpu_online(boot_cpuid, true);
cpu_set(boot_cpuid, per_cpu(cpu_sibling_map, boot_cpuid));
cpu_set(boot_cpuid, per_cpu(cpu_core_map, boot_cpuid));
#ifdef CONFIG_PPC64
if (cpu == boot_cpuid)
return -EBUSY;
- cpu_clear(cpu, cpu_online_map);
+ set_cpu_online(cpu, false);
#ifdef CONFIG_PPC64
vdso_data->processorCount--;
fixup_irqs(cpu_online_map);
smp_wmb();
while (__get_cpu_var(cpu_state) != CPU_UP_PREPARE)
cpu_relax();
- cpu_set(cpu, cpu_online_map);
+ set_cpu_online(cpu, true);
local_irq_enable();
}
#endif
ipi_call_lock();
notify_cpu_starting(cpu);
- cpu_set(cpu, cpu_online_map);
+ set_cpu_online(cpu, true);
/* Update sibling maps */
base = cpu_first_thread_in_core(cpu);
for (i = 0; i < threads_per_core; i++) {
if (ncpus > NR_CPUS)
ncpus = NR_CPUS;
for (i = 1; i < ncpus ; ++i)
- cpu_set(i, cpu_present_map);
+ set_cpu_present(i, true);
if (ppc_md.progress) ppc_md.progress("smp_psurge_probe - done", 0x352);
int smp_core99_cpu_disable(void)
{
- cpu_clear(smp_processor_id(), cpu_online_map);
+ set_cpu_online(smp_processor_id(), false);
/* XXX reset cpu affinity here */
mpic_cpu_set_priority(0xf);
int cpu;
for (cpu = 1; cpu < 4 && cpu < NR_CPUS; ++cpu)
- cpu_set(cpu, cpu_possible_map);
+ set_cpu_possible(cpu, true);
smp_ops = &psurge_smp_ops;
}
#endif /* CONFIG_PPC32 */
{
int cpu = smp_processor_id();
- cpu_clear(cpu, cpu_online_map);
+ set_cpu_online(cpu, false);
vdso_data->processorCount--;
/*fix boot_cpuid here*/
for_each_cpu_mask(cpu, tmp) {
BUG_ON(cpu_isset(cpu, cpu_present_map));
- cpu_set(cpu, cpu_present_map);
+ set_cpu_present(cpu, true);
set_hard_smp_processor_id(cpu, *intserv++);
}
err = 0;
if (get_hard_smp_processor_id(cpu) != intserv[i])
continue;
BUG_ON(cpu_online(cpu));
- cpu_clear(cpu, cpu_present_map);
+ set_cpu_present(cpu, false);
set_hard_smp_processor_id(cpu, -1);
break;
}
extern int smp_cpu_polarization[];
extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
#endif
extern cpumask_t cpu_core_map[NR_CPUS];
-#define topology_core_siblings(cpu) (cpu_core_map[cpu])
#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
int topology_set_cpu_management(int fc);
udelay(10);
}
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
int cpu;
- for_each_cpu_mask(cpu, mask)
+ for_each_cpu(cpu, mask)
smp_ext_bitcall(cpu, ec_call_function);
}
void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
-#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
#else
#define cpu_to_node(cpu) ((void)(cpu),0)
#define parent_node(node) ((void)(node),0)
-#define node_to_cpumask(node) ((void)node, cpu_online_map)
#define cpumask_of_node(node) ((void)node, cpu_online_mask)
#define pcibus_to_node(bus) ((void)(bus), -1)
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
-#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
/*
* General functions that each host system must provide.
#define parent_node(node) (node)
-static inline cpumask_t node_to_cpumask(int node)
-{
- return numa_cpumask_lookup_table[node];
-}
#define cpumask_of_node(node) (&numa_cpumask_lookup_table[node])
-/*
- * Returns a pointer to the cpumask of CPUs on Node 'node'.
- * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)"
- */
-#define node_to_cpumask_ptr(v, node) \
- cpumask_t *v = &(numa_cpumask_lookup_table[node])
-
-#define node_to_cpumask_ptr_next(v, node) \
- v = &(numa_cpumask_lookup_table[node])
-
struct pci_bus;
#ifdef CONFIG_PCI
extern int pcibus_to_node(struct pci_bus *pbus);
#ifdef CONFIG_SMP
#define topology_physical_package_id(cpu) (cpu_data(cpu).proc_id)
#define topology_core_id(cpu) (cpu_data(cpu).core_id)
-#define topology_core_siblings(cpu) (cpu_core_map[cpu])
-#define topology_thread_siblings(cpu) (per_cpu(cpu_sibling_map, cpu))
#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
#define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
#define mc_capable() (sparc64_multi_core)
unsigned cpu = smp_processor_id();
if(prev != next){
- cpu_clear(cpu, prev->cpu_vm_mask);
- cpu_set(cpu, next->cpu_vm_mask);
+ cpumask_clear_cpu(cpu, mm_cpumask(prev));
+ cpumask_set_cpu(cpu, mm_cpumask(next));
if(next != &init_mm)
__switch_mm(&next->context.id);
}
int i;
for (i = 0; i < ncpus; ++i)
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
cpu_clear(me, cpu_online_map);
cpu_set(me, cpu_online_map);
if (likely(prev != next)) {
/* stop flush ipis for the previous mm */
- cpu_clear(cpu, prev->cpu_vm_mask);
+ cpumask_clear_cpu(cpu, mm_cpumask(prev));
#ifdef CONFIG_SMP
percpu_write(cpu_tlbstate.state, TLBSTATE_OK);
percpu_write(cpu_tlbstate.active_mm, next);
#endif
- cpu_set(cpu, next->cpu_vm_mask);
+ cpumask_set_cpu(cpu, mm_cpumask(next));
/* Re-load page tables */
load_cr3(next->pgd);
percpu_write(cpu_tlbstate.state, TLBSTATE_OK);
BUG_ON(percpu_read(cpu_tlbstate.active_mm) != next);
- if (!cpu_test_and_set(cpu, next->cpu_vm_mask)) {
+ if (!cpumask_test_and_set_cpu(cpu, mm_cpumask(next))) {
/* We were in lazy tlb mode and leave_mm disabled
* tlb flush IPI delivery. We must reload CR3
* to make sure to use no freed page tables.
smp_ops.send_call_func_single_ipi(cpu);
}
-#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
static inline void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
smp_ops.send_call_func_ipi(mask);
cfg = kzalloc_node(sizeof(*cfg), GFP_ATOMIC, node);
if (cfg) {
- if (!alloc_cpumask_var_node(&cfg->domain, GFP_ATOMIC, node)) {
+ if (!zalloc_cpumask_var_node(&cfg->domain, GFP_ATOMIC, node)) {
kfree(cfg);
cfg = NULL;
- } else if (!alloc_cpumask_var_node(&cfg->old_domain,
+ } else if (!zalloc_cpumask_var_node(&cfg->old_domain,
GFP_ATOMIC, node)) {
free_cpumask_var(cfg->domain);
kfree(cfg);
cfg = NULL;
- } else {
- cpumask_clear(cfg->domain);
- cpumask_clear(cfg->old_domain);
}
}
#ifdef CONFIG_SMP
preempt_disable();
load_LDT(pc);
- if (!cpus_equal(current->mm->cpu_vm_mask,
- cpumask_of_cpu(smp_processor_id())))
+ if (!cpumask_equal(mm_cpumask(current->mm),
+ cpumask_of(smp_processor_id())))
smp_call_function(flush_ldt, current->mm, 1);
preempt_enable();
#else
void __init init_c1e_mask(void)
{
/* If we're using c1e_idle, we need to allocate c1e_mask. */
- if (pm_idle == c1e_idle) {
- alloc_cpumask_var(&c1e_mask, GFP_KERNEL);
- cpumask_clear(c1e_mask);
- }
+ if (pm_idle == c1e_idle)
+ zalloc_cpumask_var(&c1e_mask, GFP_KERNEL);
}
static int __init idle_setup(char *str)
#endif
current_thread_info()->cpu = 0; /* needed? */
for_each_possible_cpu(i) {
- alloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
- alloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
- alloc_cpumask_var(&cpu_data(i).llc_shared_map, GFP_KERNEL);
- cpumask_clear(per_cpu(cpu_core_map, i));
- cpumask_clear(per_cpu(cpu_sibling_map, i));
- cpumask_clear(cpu_data(i).llc_shared_map);
+ zalloc_cpumask_var(&per_cpu(cpu_sibling_map, i), GFP_KERNEL);
+ zalloc_cpumask_var(&per_cpu(cpu_core_map, i), GFP_KERNEL);
+ zalloc_cpumask_var(&cpu_data(i).llc_shared_map, GFP_KERNEL);
}
set_cpu_sibling_map(0);
void __init setup_default_timer_irq(void)
{
- irq0.mask = cpumask_of_cpu(0);
setup_irq(0, &irq0);
}
{
if (percpu_read(cpu_tlbstate.state) == TLBSTATE_OK)
BUG();
- cpu_clear(cpu, percpu_read(cpu_tlbstate.active_mm)->cpu_vm_mask);
+ cpumask_clear_cpu(cpu,
+ mm_cpumask(percpu_read(cpu_tlbstate.active_mm)));
load_cr3(swapper_pg_dir);
}
EXPORT_SYMBOL_GPL(leave_mm);
preempt_disable();
local_flush_tlb();
- if (cpumask_any_but(&mm->cpu_vm_mask, smp_processor_id()) < nr_cpu_ids)
- flush_tlb_others(&mm->cpu_vm_mask, mm, TLB_FLUSH_ALL);
+ if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids)
+ flush_tlb_others(mm_cpumask(mm), mm, TLB_FLUSH_ALL);
preempt_enable();
}
else
leave_mm(smp_processor_id());
}
- if (cpumask_any_but(&mm->cpu_vm_mask, smp_processor_id()) < nr_cpu_ids)
- flush_tlb_others(&mm->cpu_vm_mask, mm, TLB_FLUSH_ALL);
+ if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids)
+ flush_tlb_others(mm_cpumask(mm), mm, TLB_FLUSH_ALL);
preempt_enable();
}
leave_mm(smp_processor_id());
}
- if (cpumask_any_but(&mm->cpu_vm_mask, smp_processor_id()) < nr_cpu_ids)
- flush_tlb_others(&mm->cpu_vm_mask, mm, va);
+ if (cpumask_any_but(mm_cpumask(mm), smp_processor_id()) < nr_cpu_ids)
+ flush_tlb_others(mm_cpumask(mm), mm, va);
preempt_enable();
}
/* Get the "official" set of cpus referring to our pagetable. */
if (!alloc_cpumask_var(&mask, GFP_ATOMIC)) {
for_each_online_cpu(cpu) {
- if (!cpumask_test_cpu(cpu, &mm->cpu_vm_mask)
+ if (!cpumask_test_cpu(cpu, mm_cpumask(mm))
&& per_cpu(xen_current_cr3, cpu) != __pa(mm->pgd))
continue;
smp_call_function_single(cpu, drop_other_mm_ref, mm, 1);
}
return;
}
- cpumask_copy(mask, &mm->cpu_vm_mask);
+ cpumask_copy(mask, mm_cpumask(mm));
/* It's possible that a vcpu may have a stale reference to our
cr3, because its in lazy mode, and it hasn't yet flushed
static void bind_to_cpu0(struct work_struct *work)
{
- set_cpus_allowed(current, cpumask_of_cpu(0));
+ set_cpus_allowed_ptr(current, cpumask_of(0));
kfree(work);
}
struct acpi_processor *match_pr;
struct acpi_psd_package *match_pdomain;
- if (!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))
+ if (!zalloc_cpumask_var(&covered_cpus, GFP_KERNEL))
return -ENOMEM;
mutex_lock(&performance_mutex);
* Now that we have _PSD data from all CPUs, lets setup P-state
* domain info.
*/
- cpumask_clear(covered_cpus);
for_each_possible_cpu(i) {
pr = per_cpu(processors, i);
if (!pr)
struct acpi_tsd_package *pdomain, *match_pdomain;
struct acpi_processor_throttling *pthrottling, *match_pthrottling;
- if (!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))
+ if (!zalloc_cpumask_var(&covered_cpus, GFP_KERNEL))
return -ENOMEM;
/*
if (retval)
goto err_ret;
- cpumask_clear(covered_cpus);
for_each_possible_cpu(i) {
pr = per_cpu(processors, i);
if (!pr)
int count;
int cpu;
- if (unlikely(!alloc_cpumask_var(&core_mask, GFP_KERNEL))) {
+ if (unlikely(!zalloc_cpumask_var(&core_mask, GFP_KERNEL))) {
printk(KERN_WARNING
"sfc: RSS disabled due to allocation failure\n");
return 1;
}
- cpumask_clear(core_mask);
count = 0;
for_each_online_cpu(cpu) {
if (!cpumask_test_cpu(cpu, core_mask)) {
{
int err;
- if (!alloc_cpumask_var(&marked_cpus, GFP_KERNEL))
+ if (!zalloc_cpumask_var(&marked_cpus, GFP_KERNEL))
return -ENOMEM;
- cpumask_clear(marked_cpus);
start_cpu_work();
#ifndef parent_node
#define parent_node(node) ((void)(node),0)
#endif
-#ifndef node_to_cpumask
-#define node_to_cpumask(node) ((void)node, cpu_online_map)
-#endif
#ifndef cpumask_of_node
#define cpumask_of_node(node) ((void)node, cpu_online_mask)
#endif
#endif /* CONFIG_NUMA */
-/*
- * returns pointer to cpumask for specified node
- * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)"
- */
-#ifndef node_to_cpumask_ptr
-
-#define node_to_cpumask_ptr(v, node) \
- cpumask_t _##v = node_to_cpumask(node); \
- const cpumask_t *v = &_##v
-
-#define node_to_cpumask_ptr_next(v, node) \
- _##v = node_to_cpumask(node)
-#endif
-
#endif /* _ASM_GENERIC_TOPOLOGY_H */
/*
* Cpumasks provide a bitmap suitable for representing the
- * set of CPU's in a system, one bit position per CPU number.
- *
- * The new cpumask_ ops take a "struct cpumask *"; the old ones
- * use cpumask_t.
- *
- * See detailed comments in the file linux/bitmap.h describing the
- * data type on which these cpumasks are based.
- *
- * For details of cpumask_scnprintf() and cpumask_parse_user(),
- * see bitmap_scnprintf() and bitmap_parse_user() in lib/bitmap.c.
- * For details of cpulist_scnprintf() and cpulist_parse(), see
- * bitmap_scnlistprintf() and bitmap_parselist(), also in bitmap.c.
- * For details of cpu_remap(), see bitmap_bitremap in lib/bitmap.c
- * For details of cpus_remap(), see bitmap_remap in lib/bitmap.c.
- * For details of cpus_onto(), see bitmap_onto in lib/bitmap.c.
- * For details of cpus_fold(), see bitmap_fold in lib/bitmap.c.
- *
- * . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- * Note: The alternate operations with the suffix "_nr" are used
- * to limit the range of the loop to nr_cpu_ids instead of
- * NR_CPUS when NR_CPUS > 64 for performance reasons.
- * If NR_CPUS is <= 64 then most assembler bitmask
- * operators execute faster with a constant range, so
- * the operator will continue to use NR_CPUS.
- *
- * Another consideration is that nr_cpu_ids is initialized
- * to NR_CPUS and isn't lowered until the possible cpus are
- * discovered (including any disabled cpus). So early uses
- * will span the entire range of NR_CPUS.
- * . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
- *
- * The obsolescent cpumask operations are:
- *
- * void cpu_set(cpu, mask) turn on bit 'cpu' in mask
- * void cpu_clear(cpu, mask) turn off bit 'cpu' in mask
- * void cpus_setall(mask) set all bits
- * void cpus_clear(mask) clear all bits
- * int cpu_isset(cpu, mask) true iff bit 'cpu' set in mask
- * int cpu_test_and_set(cpu, mask) test and set bit 'cpu' in mask
- *
- * int cpus_and(dst, src1, src2) dst = src1 & src2 [intersection]
- * void cpus_or(dst, src1, src2) dst = src1 | src2 [union]
- * void cpus_xor(dst, src1, src2) dst = src1 ^ src2
- * int cpus_andnot(dst, src1, src2) dst = src1 & ~src2
- * void cpus_complement(dst, src) dst = ~src
- *
- * int cpus_equal(mask1, mask2) Does mask1 == mask2?
- * int cpus_intersects(mask1, mask2) Do mask1 and mask2 intersect?
- * int cpus_subset(mask1, mask2) Is mask1 a subset of mask2?
- * int cpus_empty(mask) Is mask empty (no bits sets)?
- * int cpus_full(mask) Is mask full (all bits sets)?
- * int cpus_weight(mask) Hamming weigh - number of set bits
- * int cpus_weight_nr(mask) Same using nr_cpu_ids instead of NR_CPUS
- *
- * void cpus_shift_right(dst, src, n) Shift right
- * void cpus_shift_left(dst, src, n) Shift left
- *
- * int first_cpu(mask) Number lowest set bit, or NR_CPUS
- * int next_cpu(cpu, mask) Next cpu past 'cpu', or NR_CPUS
- * int next_cpu_nr(cpu, mask) Next cpu past 'cpu', or nr_cpu_ids
- *
- * cpumask_t cpumask_of_cpu(cpu) Return cpumask with bit 'cpu' set
- * (can be used as an lvalue)
- * CPU_MASK_ALL Initializer - all bits set
- * CPU_MASK_NONE Initializer - no bits set
- * unsigned long *cpus_addr(mask) Array of unsigned long's in mask
- *
- * CPUMASK_ALLOC kmalloc's a structure that is a composite of many cpumask_t
- * variables, and CPUMASK_PTR provides pointers to each field.
- *
- * The structure should be defined something like this:
- * struct my_cpumasks {
- * cpumask_t mask1;
- * cpumask_t mask2;
- * };
- *
- * Usage is then:
- * CPUMASK_ALLOC(my_cpumasks);
- * CPUMASK_PTR(mask1, my_cpumasks);
- * CPUMASK_PTR(mask2, my_cpumasks);
- *
- * --- DO NOT reference cpumask_t pointers until this check ---
- * if (my_cpumasks == NULL)
- * "kmalloc failed"...
- *
- * References are now pointers to the cpumask_t variables (*mask1, ...)
- *
- *if NR_CPUS > BITS_PER_LONG
- * CPUMASK_ALLOC(m) Declares and allocates struct m *m =
- * kmalloc(sizeof(*m), GFP_KERNEL)
- * CPUMASK_FREE(m) Macro for kfree(m)
- *else
- * CPUMASK_ALLOC(m) Declares struct m _m, *m = &_m
- * CPUMASK_FREE(m) Nop
- *endif
- * CPUMASK_PTR(v, m) Declares cpumask_t *v = &(m->v)
- * ------------------------------------------------------------------------
- *
- * int cpumask_scnprintf(buf, len, mask) Format cpumask for printing
- * int cpumask_parse_user(ubuf, ulen, mask) Parse ascii string as cpumask
- * int cpulist_scnprintf(buf, len, mask) Format cpumask as list for printing
- * int cpulist_parse(buf, map) Parse ascii string as cpulist
- * int cpu_remap(oldbit, old, new) newbit = map(old, new)(oldbit)
- * void cpus_remap(dst, src, old, new) *dst = map(old, new)(src)
- * void cpus_onto(dst, orig, relmap) *dst = orig relative to relmap
- * void cpus_fold(dst, orig, sz) dst bits = orig bits mod sz
- *
- * for_each_cpu_mask(cpu, mask) for-loop cpu over mask using NR_CPUS
- * for_each_cpu_mask_nr(cpu, mask) for-loop cpu over mask using nr_cpu_ids
- *
- * int num_online_cpus() Number of online CPUs
- * int num_possible_cpus() Number of all possible CPUs
- * int num_present_cpus() Number of present CPUs
- *
- * int cpu_online(cpu) Is some cpu online?
- * int cpu_possible(cpu) Is some cpu possible?
- * int cpu_present(cpu) Is some cpu present (can schedule)?
- *
- * int any_online_cpu(mask) First online cpu in mask
- *
- * for_each_possible_cpu(cpu) for-loop cpu over cpu_possible_map
- * for_each_online_cpu(cpu) for-loop cpu over cpu_online_map
- * for_each_present_cpu(cpu) for-loop cpu over cpu_present_map
- *
- * Subtlety:
- * 1) The 'type-checked' form of cpu_isset() causes gcc (3.3.2, anyway)
- * to generate slightly worse code. Note for example the additional
- * 40 lines of assembly code compiling the "for each possible cpu"
- * loops buried in the disk_stat_read() macros calls when compiling
- * drivers/block/genhd.c (arch i386, CONFIG_SMP=y). So use a simple
- * one-line #define for cpu_isset(), instead of wrapping an inline
- * inside a macro, the way we do the other calls.
+ * set of CPU's in a system, one bit position per CPU number. In general,
+ * only nr_cpu_ids (<= NR_CPUS) bits are valid.
*/
-
#include <linux/kernel.h>
#include <linux/threads.h>
#include <linux/bitmap.h>
typedef struct cpumask { DECLARE_BITMAP(bits, NR_CPUS); } cpumask_t;
-extern cpumask_t _unused_cpumask_arg_;
-
-#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
-#define cpu_set(cpu, dst) __cpu_set((cpu), &(dst))
-static inline void __cpu_set(int cpu, volatile cpumask_t *dstp)
-{
- set_bit(cpu, dstp->bits);
-}
-
-#define cpu_clear(cpu, dst) __cpu_clear((cpu), &(dst))
-static inline void __cpu_clear(int cpu, volatile cpumask_t *dstp)
-{
- clear_bit(cpu, dstp->bits);
-}
-
-#define cpus_setall(dst) __cpus_setall(&(dst), NR_CPUS)
-static inline void __cpus_setall(cpumask_t *dstp, int nbits)
-{
- bitmap_fill(dstp->bits, nbits);
-}
-
-#define cpus_clear(dst) __cpus_clear(&(dst), NR_CPUS)
-static inline void __cpus_clear(cpumask_t *dstp, int nbits)
-{
- bitmap_zero(dstp->bits, nbits);
-}
-
-/* No static inline type checking - see Subtlety (1) above. */
-#define cpu_isset(cpu, cpumask) test_bit((cpu), (cpumask).bits)
-
-#define cpu_test_and_set(cpu, cpumask) __cpu_test_and_set((cpu), &(cpumask))
-static inline int __cpu_test_and_set(int cpu, cpumask_t *addr)
-{
- return test_and_set_bit(cpu, addr->bits);
-}
-
-#define cpus_and(dst, src1, src2) __cpus_and(&(dst), &(src1), &(src2), NR_CPUS)
-static inline int __cpus_and(cpumask_t *dstp, const cpumask_t *src1p,
- const cpumask_t *src2p, int nbits)
-{
- return bitmap_and(dstp->bits, src1p->bits, src2p->bits, nbits);
-}
-
-#define cpus_or(dst, src1, src2) __cpus_or(&(dst), &(src1), &(src2), NR_CPUS)
-static inline void __cpus_or(cpumask_t *dstp, const cpumask_t *src1p,
- const cpumask_t *src2p, int nbits)
-{
- bitmap_or(dstp->bits, src1p->bits, src2p->bits, nbits);
-}
-
-#define cpus_xor(dst, src1, src2) __cpus_xor(&(dst), &(src1), &(src2), NR_CPUS)
-static inline void __cpus_xor(cpumask_t *dstp, const cpumask_t *src1p,
- const cpumask_t *src2p, int nbits)
-{
- bitmap_xor(dstp->bits, src1p->bits, src2p->bits, nbits);
-}
-
-#define cpus_andnot(dst, src1, src2) \
- __cpus_andnot(&(dst), &(src1), &(src2), NR_CPUS)
-static inline int __cpus_andnot(cpumask_t *dstp, const cpumask_t *src1p,
- const cpumask_t *src2p, int nbits)
-{
- return bitmap_andnot(dstp->bits, src1p->bits, src2p->bits, nbits);
-}
-
-#define cpus_complement(dst, src) __cpus_complement(&(dst), &(src), NR_CPUS)
-static inline void __cpus_complement(cpumask_t *dstp,
- const cpumask_t *srcp, int nbits)
-{
- bitmap_complement(dstp->bits, srcp->bits, nbits);
-}
-
-#define cpus_equal(src1, src2) __cpus_equal(&(src1), &(src2), NR_CPUS)
-static inline int __cpus_equal(const cpumask_t *src1p,
- const cpumask_t *src2p, int nbits)
-{
- return bitmap_equal(src1p->bits, src2p->bits, nbits);
-}
-
-#define cpus_intersects(src1, src2) __cpus_intersects(&(src1), &(src2), NR_CPUS)
-static inline int __cpus_intersects(const cpumask_t *src1p,
- const cpumask_t *src2p, int nbits)
-{
- return bitmap_intersects(src1p->bits, src2p->bits, nbits);
-}
-
-#define cpus_subset(src1, src2) __cpus_subset(&(src1), &(src2), NR_CPUS)
-static inline int __cpus_subset(const cpumask_t *src1p,
- const cpumask_t *src2p, int nbits)
-{
- return bitmap_subset(src1p->bits, src2p->bits, nbits);
-}
-
-#define cpus_empty(src) __cpus_empty(&(src), NR_CPUS)
-static inline int __cpus_empty(const cpumask_t *srcp, int nbits)
-{
- return bitmap_empty(srcp->bits, nbits);
-}
-
-#define cpus_full(cpumask) __cpus_full(&(cpumask), NR_CPUS)
-static inline int __cpus_full(const cpumask_t *srcp, int nbits)
-{
- return bitmap_full(srcp->bits, nbits);
-}
-
-#define cpus_weight(cpumask) __cpus_weight(&(cpumask), NR_CPUS)
-static inline int __cpus_weight(const cpumask_t *srcp, int nbits)
-{
- return bitmap_weight(srcp->bits, nbits);
-}
-
-#define cpus_shift_right(dst, src, n) \
- __cpus_shift_right(&(dst), &(src), (n), NR_CPUS)
-static inline void __cpus_shift_right(cpumask_t *dstp,
- const cpumask_t *srcp, int n, int nbits)
-{
- bitmap_shift_right(dstp->bits, srcp->bits, n, nbits);
-}
-
-#define cpus_shift_left(dst, src, n) \
- __cpus_shift_left(&(dst), &(src), (n), NR_CPUS)
-static inline void __cpus_shift_left(cpumask_t *dstp,
- const cpumask_t *srcp, int n, int nbits)
-{
- bitmap_shift_left(dstp->bits, srcp->bits, n, nbits);
-}
-#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
/**
- * to_cpumask - convert an NR_CPUS bitmap to a struct cpumask *
- * @bitmap: the bitmap
- *
- * There are a few places where cpumask_var_t isn't appropriate and
- * static cpumasks must be used (eg. very early boot), yet we don't
- * expose the definition of 'struct cpumask'.
- *
- * This does the conversion, and can be used as a constant initializer.
- */
-#define to_cpumask(bitmap) \
- ((struct cpumask *)(1 ? (bitmap) \
- : (void *)sizeof(__check_is_bitmap(bitmap))))
-
-static inline int __check_is_bitmap(const unsigned long *bitmap)
-{
- return 1;
-}
-
-/*
- * Special-case data structure for "single bit set only" constant CPU masks.
+ * cpumask_bits - get the bits in a cpumask
+ * @maskp: the struct cpumask *
*
- * We pre-generate all the 64 (or 32) possible bit positions, with enough
- * padding to the left and the right, and return the constant pointer
- * appropriately offset.
- */
-extern const unsigned long
- cpu_bit_bitmap[BITS_PER_LONG+1][BITS_TO_LONGS(NR_CPUS)];
-
-static inline const struct cpumask *get_cpu_mask(unsigned int cpu)
-{
- const unsigned long *p = cpu_bit_bitmap[1 + cpu % BITS_PER_LONG];
- p -= cpu / BITS_PER_LONG;
- return to_cpumask(p);
-}
-
-#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
-/*
- * In cases where we take the address of the cpumask immediately,
- * gcc optimizes it out (it's a constant) and there's no huge stack
- * variable created:
+ * You should only assume nr_cpu_ids bits of this mask are valid. This is
+ * a macro so it's const-correct.
*/
-#define cpumask_of_cpu(cpu) (*get_cpu_mask(cpu))
-
-
-#define CPU_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(NR_CPUS)
-
-#if NR_CPUS <= BITS_PER_LONG
-
-#define CPU_MASK_ALL \
-(cpumask_t) { { \
- [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
-} }
-
-#define CPU_MASK_ALL_PTR (&CPU_MASK_ALL)
-
-#else
-
-#define CPU_MASK_ALL \
-(cpumask_t) { { \
- [0 ... BITS_TO_LONGS(NR_CPUS)-2] = ~0UL, \
- [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
-} }
-
-/* cpu_mask_all is in init/main.c */
-extern cpumask_t cpu_mask_all;
-#define CPU_MASK_ALL_PTR (&cpu_mask_all)
-
-#endif
-
-#define CPU_MASK_NONE \
-(cpumask_t) { { \
- [0 ... BITS_TO_LONGS(NR_CPUS)-1] = 0UL \
-} }
-
-#define CPU_MASK_CPU0 \
-(cpumask_t) { { \
- [0] = 1UL \
-} }
-
-#define cpus_addr(src) ((src).bits)
-
-#if NR_CPUS > BITS_PER_LONG
-#define CPUMASK_ALLOC(m) struct m *m = kmalloc(sizeof(*m), GFP_KERNEL)
-#define CPUMASK_FREE(m) kfree(m)
-#else
-#define CPUMASK_ALLOC(m) struct m _m, *m = &_m
-#define CPUMASK_FREE(m)
-#endif
-#define CPUMASK_PTR(v, m) cpumask_t *v = &(m->v)
-
-#define cpu_remap(oldbit, old, new) \
- __cpu_remap((oldbit), &(old), &(new), NR_CPUS)
-static inline int __cpu_remap(int oldbit,
- const cpumask_t *oldp, const cpumask_t *newp, int nbits)
-{
- return bitmap_bitremap(oldbit, oldp->bits, newp->bits, nbits);
-}
-
-#define cpus_remap(dst, src, old, new) \
- __cpus_remap(&(dst), &(src), &(old), &(new), NR_CPUS)
-static inline void __cpus_remap(cpumask_t *dstp, const cpumask_t *srcp,
- const cpumask_t *oldp, const cpumask_t *newp, int nbits)
-{
- bitmap_remap(dstp->bits, srcp->bits, oldp->bits, newp->bits, nbits);
-}
-
-#define cpus_onto(dst, orig, relmap) \
- __cpus_onto(&(dst), &(orig), &(relmap), NR_CPUS)
-static inline void __cpus_onto(cpumask_t *dstp, const cpumask_t *origp,
- const cpumask_t *relmapp, int nbits)
-{
- bitmap_onto(dstp->bits, origp->bits, relmapp->bits, nbits);
-}
-
-#define cpus_fold(dst, orig, sz) \
- __cpus_fold(&(dst), &(orig), sz, NR_CPUS)
-static inline void __cpus_fold(cpumask_t *dstp, const cpumask_t *origp,
- int sz, int nbits)
-{
- bitmap_fold(dstp->bits, origp->bits, sz, nbits);
-}
-#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
+#define cpumask_bits(maskp) ((maskp)->bits)
#if NR_CPUS == 1
-
#define nr_cpu_ids 1
-#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
-#define first_cpu(src) ({ (void)(src); 0; })
-#define next_cpu(n, src) ({ (void)(src); 1; })
-#define any_online_cpu(mask) 0
-#define for_each_cpu_mask(cpu, mask) \
- for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
-#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
-#else /* NR_CPUS > 1 */
-
+#else
extern int nr_cpu_ids;
-#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
-int __first_cpu(const cpumask_t *srcp);
-int __next_cpu(int n, const cpumask_t *srcp);
-int __any_online_cpu(const cpumask_t *mask);
-
-#define first_cpu(src) __first_cpu(&(src))
-#define next_cpu(n, src) __next_cpu((n), &(src))
-#define any_online_cpu(mask) __any_online_cpu(&(mask))
-#define for_each_cpu_mask(cpu, mask) \
- for ((cpu) = -1; \
- (cpu) = next_cpu((cpu), (mask)), \
- (cpu) < NR_CPUS; )
-#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
#endif
-#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
-#if NR_CPUS <= 64
-
-#define next_cpu_nr(n, src) next_cpu(n, src)
-#define cpus_weight_nr(cpumask) cpus_weight(cpumask)
-#define for_each_cpu_mask_nr(cpu, mask) for_each_cpu_mask(cpu, mask)
-
-#else /* NR_CPUS > 64 */
-
-int __next_cpu_nr(int n, const cpumask_t *srcp);
-#define next_cpu_nr(n, src) __next_cpu_nr((n), &(src))
-#define cpus_weight_nr(cpumask) __cpus_weight(&(cpumask), nr_cpu_ids)
-#define for_each_cpu_mask_nr(cpu, mask) \
- for ((cpu) = -1; \
- (cpu) = next_cpu_nr((cpu), (mask)), \
- (cpu) < nr_cpu_ids; )
-
-#endif /* NR_CPUS > 64 */
-#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
+#ifdef CONFIG_CPUMASK_OFFSTACK
+/* Assuming NR_CPUS is huge, a runtime limit is more efficient. Also,
+ * not all bits may be allocated. */
+#define nr_cpumask_bits nr_cpu_ids
+#else
+#define nr_cpumask_bits NR_CPUS
+#endif
/*
* The following particular system cpumasks and operations manage
extern const struct cpumask *const cpu_possible_mask;
extern const struct cpumask *const cpu_online_mask;
extern const struct cpumask *const cpu_present_mask;
-extern const struct cpumask *const cpu_active_mask;
-
-/* These strip const, as traditionally they weren't const. */
-#define cpu_possible_map (*(cpumask_t *)cpu_possible_mask)
-#define cpu_online_map (*(cpumask_t *)cpu_online_mask)
-#define cpu_present_map (*(cpumask_t *)cpu_present_mask)
-#define cpu_active_map (*(cpumask_t *)cpu_active_mask)
-
-#if NR_CPUS > 1
-#define num_online_cpus() cpumask_weight(cpu_online_mask)
-#define num_possible_cpus() cpumask_weight(cpu_possible_mask)
-#define num_present_cpus() cpumask_weight(cpu_present_mask)
-#define cpu_online(cpu) cpumask_test_cpu((cpu), cpu_online_mask)
-#define cpu_possible(cpu) cpumask_test_cpu((cpu), cpu_possible_mask)
-#define cpu_present(cpu) cpumask_test_cpu((cpu), cpu_present_mask)
-#define cpu_active(cpu) cpumask_test_cpu((cpu), cpu_active_mask)
-#else
-#define num_online_cpus() 1
-#define num_possible_cpus() 1
-#define num_present_cpus() 1
-#define cpu_online(cpu) ((cpu) == 0)
-#define cpu_possible(cpu) ((cpu) == 0)
-#define cpu_present(cpu) ((cpu) == 0)
-#define cpu_active(cpu) ((cpu) == 0)
-#endif
-
-#define cpu_is_offline(cpu) unlikely(!cpu_online(cpu))
-
-/* These are the new versions of the cpumask operators: passed by pointer.
- * The older versions will be implemented in terms of these, then deleted. */
-#define cpumask_bits(maskp) ((maskp)->bits)
-
-#if NR_CPUS <= BITS_PER_LONG
-#define CPU_BITS_ALL \
-{ \
- [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
-}
-
-#else /* NR_CPUS > BITS_PER_LONG */
-
-#define CPU_BITS_ALL \
-{ \
- [0 ... BITS_TO_LONGS(NR_CPUS)-2] = ~0UL, \
- [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
-}
-#endif /* NR_CPUS > BITS_PER_LONG */
+extern const struct cpumask *const cpu_active_mask;
-#ifdef CONFIG_CPUMASK_OFFSTACK
-/* Assuming NR_CPUS is huge, a runtime limit is more efficient. Also,
- * not all bits may be allocated. */
-#define nr_cpumask_bits nr_cpu_ids
+#if NR_CPUS > 1
+#define num_online_cpus() cpumask_weight(cpu_online_mask)
+#define num_possible_cpus() cpumask_weight(cpu_possible_mask)
+#define num_present_cpus() cpumask_weight(cpu_present_mask)
+#define cpu_online(cpu) cpumask_test_cpu((cpu), cpu_online_mask)
+#define cpu_possible(cpu) cpumask_test_cpu((cpu), cpu_possible_mask)
+#define cpu_present(cpu) cpumask_test_cpu((cpu), cpu_present_mask)
+#define cpu_active(cpu) cpumask_test_cpu((cpu), cpu_active_mask)
#else
-#define nr_cpumask_bits NR_CPUS
+#define num_online_cpus() 1
+#define num_possible_cpus() 1
+#define num_present_cpus() 1
+#define cpu_online(cpu) ((cpu) == 0)
+#define cpu_possible(cpu) ((cpu) == 0)
+#define cpu_present(cpu) ((cpu) == 0)
+#define cpu_active(cpu) ((cpu) == 0)
#endif
/* verify cpu argument to cpumask_* operators */
void init_cpu_present(const struct cpumask *src);
void init_cpu_possible(const struct cpumask *src);
void init_cpu_online(const struct cpumask *src);
+
+/**
+ * to_cpumask - convert an NR_CPUS bitmap to a struct cpumask *
+ * @bitmap: the bitmap
+ *
+ * There are a few places where cpumask_var_t isn't appropriate and
+ * static cpumasks must be used (eg. very early boot), yet we don't
+ * expose the definition of 'struct cpumask'.
+ *
+ * This does the conversion, and can be used as a constant initializer.
+ */
+#define to_cpumask(bitmap) \
+ ((struct cpumask *)(1 ? (bitmap) \
+ : (void *)sizeof(__check_is_bitmap(bitmap))))
+
+static inline int __check_is_bitmap(const unsigned long *bitmap)
+{
+ return 1;
+}
+
+/*
+ * Special-case data structure for "single bit set only" constant CPU masks.
+ *
+ * We pre-generate all the 64 (or 32) possible bit positions, with enough
+ * padding to the left and the right, and return the constant pointer
+ * appropriately offset.
+ */
+extern const unsigned long
+ cpu_bit_bitmap[BITS_PER_LONG+1][BITS_TO_LONGS(NR_CPUS)];
+
+static inline const struct cpumask *get_cpu_mask(unsigned int cpu)
+{
+ const unsigned long *p = cpu_bit_bitmap[1 + cpu % BITS_PER_LONG];
+ p -= cpu / BITS_PER_LONG;
+ return to_cpumask(p);
+}
+
+#define cpu_is_offline(cpu) unlikely(!cpu_online(cpu))
+
+#if NR_CPUS <= BITS_PER_LONG
+#define CPU_BITS_ALL \
+{ \
+ [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
+}
+
+#else /* NR_CPUS > BITS_PER_LONG */
+
+#define CPU_BITS_ALL \
+{ \
+ [0 ... BITS_TO_LONGS(NR_CPUS)-2] = ~0UL, \
+ [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
+}
+#endif /* NR_CPUS > BITS_PER_LONG */
+
+/*
+ *
+ * From here down, all obsolete. Use cpumask_ variants!
+ *
+ */
+#ifndef CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
+/* These strip const, as traditionally they weren't const. */
+#define cpu_possible_map (*(cpumask_t *)cpu_possible_mask)
+#define cpu_online_map (*(cpumask_t *)cpu_online_mask)
+#define cpu_present_map (*(cpumask_t *)cpu_present_mask)
+#define cpu_active_map (*(cpumask_t *)cpu_active_mask)
+
+#define cpumask_of_cpu(cpu) (*get_cpu_mask(cpu))
+
+#define CPU_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(NR_CPUS)
+
+#if NR_CPUS <= BITS_PER_LONG
+
+#define CPU_MASK_ALL \
+(cpumask_t) { { \
+ [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
+} }
+
+#else
+
+#define CPU_MASK_ALL \
+(cpumask_t) { { \
+ [0 ... BITS_TO_LONGS(NR_CPUS)-2] = ~0UL, \
+ [BITS_TO_LONGS(NR_CPUS)-1] = CPU_MASK_LAST_WORD \
+} }
+
+#endif
+
+#define CPU_MASK_NONE \
+(cpumask_t) { { \
+ [0 ... BITS_TO_LONGS(NR_CPUS)-1] = 0UL \
+} }
+
+#define CPU_MASK_CPU0 \
+(cpumask_t) { { \
+ [0] = 1UL \
+} }
+
+#if NR_CPUS == 1
+#define first_cpu(src) ({ (void)(src); 0; })
+#define next_cpu(n, src) ({ (void)(src); 1; })
+#define any_online_cpu(mask) 0
+#define for_each_cpu_mask(cpu, mask) \
+ for ((cpu) = 0; (cpu) < 1; (cpu)++, (void)mask)
+#else /* NR_CPUS > 1 */
+int __first_cpu(const cpumask_t *srcp);
+int __next_cpu(int n, const cpumask_t *srcp);
+int __any_online_cpu(const cpumask_t *mask);
+
+#define first_cpu(src) __first_cpu(&(src))
+#define next_cpu(n, src) __next_cpu((n), &(src))
+#define any_online_cpu(mask) __any_online_cpu(&(mask))
+#define for_each_cpu_mask(cpu, mask) \
+ for ((cpu) = -1; \
+ (cpu) = next_cpu((cpu), (mask)), \
+ (cpu) < NR_CPUS; )
+#endif /* SMP */
+
+#if NR_CPUS <= 64
+
+#define for_each_cpu_mask_nr(cpu, mask) for_each_cpu_mask(cpu, mask)
+
+#else /* NR_CPUS > 64 */
+
+int __next_cpu_nr(int n, const cpumask_t *srcp);
+#define for_each_cpu_mask_nr(cpu, mask) \
+ for ((cpu) = -1; \
+ (cpu) = __next_cpu_nr((cpu), &(mask)), \
+ (cpu) < nr_cpu_ids; )
+
+#endif /* NR_CPUS > 64 */
+
+#define cpus_addr(src) ((src).bits)
+
+#define cpu_set(cpu, dst) __cpu_set((cpu), &(dst))
+static inline void __cpu_set(int cpu, volatile cpumask_t *dstp)
+{
+ set_bit(cpu, dstp->bits);
+}
+
+#define cpu_clear(cpu, dst) __cpu_clear((cpu), &(dst))
+static inline void __cpu_clear(int cpu, volatile cpumask_t *dstp)
+{
+ clear_bit(cpu, dstp->bits);
+}
+
+#define cpus_setall(dst) __cpus_setall(&(dst), NR_CPUS)
+static inline void __cpus_setall(cpumask_t *dstp, int nbits)
+{
+ bitmap_fill(dstp->bits, nbits);
+}
+
+#define cpus_clear(dst) __cpus_clear(&(dst), NR_CPUS)
+static inline void __cpus_clear(cpumask_t *dstp, int nbits)
+{
+ bitmap_zero(dstp->bits, nbits);
+}
+
+/* No static inline type checking - see Subtlety (1) above. */
+#define cpu_isset(cpu, cpumask) test_bit((cpu), (cpumask).bits)
+
+#define cpu_test_and_set(cpu, cpumask) __cpu_test_and_set((cpu), &(cpumask))
+static inline int __cpu_test_and_set(int cpu, cpumask_t *addr)
+{
+ return test_and_set_bit(cpu, addr->bits);
+}
+
+#define cpus_and(dst, src1, src2) __cpus_and(&(dst), &(src1), &(src2), NR_CPUS)
+static inline int __cpus_and(cpumask_t *dstp, const cpumask_t *src1p,
+ const cpumask_t *src2p, int nbits)
+{
+ return bitmap_and(dstp->bits, src1p->bits, src2p->bits, nbits);
+}
+
+#define cpus_or(dst, src1, src2) __cpus_or(&(dst), &(src1), &(src2), NR_CPUS)
+static inline void __cpus_or(cpumask_t *dstp, const cpumask_t *src1p,
+ const cpumask_t *src2p, int nbits)
+{
+ bitmap_or(dstp->bits, src1p->bits, src2p->bits, nbits);
+}
+
+#define cpus_xor(dst, src1, src2) __cpus_xor(&(dst), &(src1), &(src2), NR_CPUS)
+static inline void __cpus_xor(cpumask_t *dstp, const cpumask_t *src1p,
+ const cpumask_t *src2p, int nbits)
+{
+ bitmap_xor(dstp->bits, src1p->bits, src2p->bits, nbits);
+}
+
+#define cpus_andnot(dst, src1, src2) \
+ __cpus_andnot(&(dst), &(src1), &(src2), NR_CPUS)
+static inline int __cpus_andnot(cpumask_t *dstp, const cpumask_t *src1p,
+ const cpumask_t *src2p, int nbits)
+{
+ return bitmap_andnot(dstp->bits, src1p->bits, src2p->bits, nbits);
+}
+
+#define cpus_equal(src1, src2) __cpus_equal(&(src1), &(src2), NR_CPUS)
+static inline int __cpus_equal(const cpumask_t *src1p,
+ const cpumask_t *src2p, int nbits)
+{
+ return bitmap_equal(src1p->bits, src2p->bits, nbits);
+}
+
+#define cpus_intersects(src1, src2) __cpus_intersects(&(src1), &(src2), NR_CPUS)
+static inline int __cpus_intersects(const cpumask_t *src1p,
+ const cpumask_t *src2p, int nbits)
+{
+ return bitmap_intersects(src1p->bits, src2p->bits, nbits);
+}
+
+#define cpus_subset(src1, src2) __cpus_subset(&(src1), &(src2), NR_CPUS)
+static inline int __cpus_subset(const cpumask_t *src1p,
+ const cpumask_t *src2p, int nbits)
+{
+ return bitmap_subset(src1p->bits, src2p->bits, nbits);
+}
+
+#define cpus_empty(src) __cpus_empty(&(src), NR_CPUS)
+static inline int __cpus_empty(const cpumask_t *srcp, int nbits)
+{
+ return bitmap_empty(srcp->bits, nbits);
+}
+
+#define cpus_weight(cpumask) __cpus_weight(&(cpumask), NR_CPUS)
+static inline int __cpus_weight(const cpumask_t *srcp, int nbits)
+{
+ return bitmap_weight(srcp->bits, nbits);
+}
+
+#define cpus_shift_left(dst, src, n) \
+ __cpus_shift_left(&(dst), &(src), (n), NR_CPUS)
+static inline void __cpus_shift_left(cpumask_t *dstp,
+ const cpumask_t *srcp, int n, int nbits)
+{
+ bitmap_shift_left(dstp->bits, srcp->bits, n, nbits);
+}
+#endif /* !CONFIG_DISABLE_OBSOLETE_CPUMASK_FUNCTIONS */
+
#endif /* __LINUX_CPUMASK_H */
* struct irqaction - per interrupt action descriptor
* @handler: interrupt handler function
* @flags: flags (see IRQF_* above)
- * @mask: no comment as it is useless and about to be removed
* @name: name of the device
* @dev_id: cookie to identify the device
* @next: pointer to the next irqaction for shared interrupts
struct irqaction {
irq_handler_t handler;
unsigned long flags;
- cpumask_t mask;
const char *name;
void *dev_id;
struct irqaction *next;
return 0;
}
#endif
+
+#ifndef CONFIG_CPUMASK_OFFSTACK
static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
{
return set_cpus_allowed_ptr(p, &new_mask);
}
+#endif
/*
* Architectures can set this to 1 if they have specified
void smp_call_function_many(const struct cpumask *mask,
void (*func)(void *info), void *info, bool wait);
-/* Deprecated: Use smp_call_function_many which takes a pointer to the mask. */
-static inline int
-smp_call_function_mask(cpumask_t mask, void(*func)(void *info), void *info,
- int wait)
-{
- smp_call_function_many(&mask, func, info, wait);
- return 0;
-}
-
void __smp_call_function_single(int cpuid, struct call_single_data *data,
int wait);
static inline void smp_send_reschedule(int cpu) { }
#define num_booting_cpus() 1
#define smp_prepare_boot_cpu() do {} while (0)
-#define smp_call_function_mask(mask, func, info, wait) \
- (up_smp_call_function(func, info))
#define smp_call_function_many(mask, func, info, wait) \
(up_smp_call_function(func, info))
static inline void init_call_single_data(void)
#ifndef topology_core_id
#define topology_core_id(cpu) ((void)(cpu), 0)
#endif
-#ifndef topology_thread_siblings
-#define topology_thread_siblings(cpu) cpumask_of_cpu(cpu)
-#endif
-#ifndef topology_core_siblings
-#define topology_core_siblings(cpu) cpumask_of_cpu(cpu)
-#endif
#ifndef topology_thread_cpumask
#define topology_thread_cpumask(cpu) cpumask_of(cpu)
#endif
#else
-#if NR_CPUS > BITS_PER_LONG
-cpumask_t cpu_mask_all __read_mostly = CPU_MASK_ALL;
-EXPORT_SYMBOL(cpu_mask_all);
-#endif
-
/* Setup number of possible processor ids */
int nr_cpu_ids __read_mostly = NR_CPUS;
EXPORT_SYMBOL(nr_cpu_ids);
generic_exec_single(cpu, data, wait);
}
-/* Deprecated: shim for archs using old arch_send_call_function_ipi API. */
-
-#ifndef arch_send_call_function_ipi_mask
-# define arch_send_call_function_ipi_mask(maskp) \
- arch_send_call_function_ipi(*(maskp))
-#endif
-
/**
* smp_call_function_many(): Run a function on a set of other CPUs.
* @mask: The set of cpus to run on (only runs on online subset).
if (current_trace)
*iter->trace = *current_trace;
- if (!alloc_cpumask_var(&iter->started, GFP_KERNEL))
+ if (!zalloc_cpumask_var(&iter->started, GFP_KERNEL))
goto fail;
- cpumask_clear(iter->started);
-
if (current_trace && current_trace->print_max)
iter->tr = &max_tr;
else
if (!alloc_cpumask_var(&tracing_cpumask, GFP_KERNEL))
goto out_free_buffer_mask;
- if (!alloc_cpumask_var(&tracing_reader_cpumask, GFP_KERNEL))
+ if (!zalloc_cpumask_var(&tracing_reader_cpumask, GFP_KERNEL))
goto out_free_tracing_cpumask;
/* To save memory, keep the ring buffer size to its minimum */
cpumask_copy(tracing_buffer_mask, cpu_possible_mask);
cpumask_copy(tracing_cpumask, cpu_all_mask);
- cpumask_clear(tracing_reader_cpumask);
/* TODO: make the number of buffers hot pluggable with CPUS */
global_trace.buffer = ring_buffer_alloc(ring_buf_size,
int node = numa_node_id();
struct zone *zones = NODE_DATA(node)->node_zones;
int num_cpus_on_node;
- const struct cpumask *cpumask_on_node = cpumask_of_node(node);
node_free_pages =
#ifdef CONFIG_ZONE_DMA
max = node_free_pages / FRACTION_OF_NODE_MEM;
- num_cpus_on_node = cpus_weight_nr(*cpumask_on_node);
+ num_cpus_on_node = cpumask_weight(cpumask_of_node(node));
max /= num_cpus_on_node;
return max(max, min_pages);
bool called = true;
struct kvm_vcpu *vcpu;
- if (alloc_cpumask_var(&cpus, GFP_ATOMIC))
- cpumask_clear(cpus);
+ zalloc_cpumask_var(&cpus, GFP_ATOMIC);
spin_lock(&kvm->requests_lock);
me = smp_processor_id();
projects / linux-2.6-block.git / commitdiff