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-rw-r--r--arch/alpha/include/asm/smp.h1
-rw-r--r--arch/alpha/kernel/process.c2
-rw-r--r--arch/alpha/kernel/smp.c7
-rw-r--r--arch/arm/kernel/smp.c10
-rw-r--r--arch/cris/arch-v32/kernel/smp.c4
-rw-r--r--arch/cris/include/asm/smp.h1
-rw-r--r--arch/ia64/include/asm/smp.h1
-rw-r--r--arch/ia64/kernel/smpboot.c6
-rw-r--r--arch/m32r/Kconfig1
-rw-r--r--arch/m32r/kernel/smpboot.c6
-rw-r--r--arch/mips/include/asm/smp.h3
-rw-r--r--arch/mips/kernel/smp-cmp.c2
-rw-r--r--arch/mips/kernel/smp-mt.c2
-rw-r--r--arch/mips/kernel/smp.c7
-rw-r--r--arch/mips/kernel/smtc.c6
-rw-r--r--arch/mips/pmc-sierra/yosemite/smp.c6
-rw-r--r--arch/mips/sgi-ip27/ip27-smp.c2
-rw-r--r--arch/mips/sibyte/bcm1480/smp.c8
-rw-r--r--arch/mips/sibyte/sb1250/smp.c8
-rw-r--r--arch/parisc/Kconfig1
-rw-r--r--arch/parisc/kernel/smp.c15
-rw-r--r--arch/powerpc/kernel/smp.c4
-rw-r--r--arch/s390/Kconfig1
-rw-r--r--arch/s390/kernel/smp.c6
-rw-r--r--arch/sh/kernel/smp.c6
-rw-r--r--arch/sparc/include/asm/smp_32.h2
-rw-r--r--arch/sparc/kernel/smp.c6
-rw-r--r--arch/sparc/kernel/sparc_ksyms.c4
-rw-r--r--arch/sparc64/kernel/smp.c4
-rw-r--r--arch/um/kernel/smp.c7
-rw-r--r--arch/x86/kernel/smpboot.c6
-rw-r--r--arch/x86/mach-voyager/voyager_smp.c7
32 files changed, 27 insertions, 125 deletions
diff --git a/arch/alpha/include/asm/smp.h b/arch/alpha/include/asm/smp.h
index 544c69af8168..547e90951cec 100644
--- a/arch/alpha/include/asm/smp.h
+++ b/arch/alpha/include/asm/smp.h
@@ -45,7 +45,6 @@ extern struct cpuinfo_alpha cpu_data[NR_CPUS];
45#define raw_smp_processor_id() (current_thread_info()->cpu) 45#define raw_smp_processor_id() (current_thread_info()->cpu)
46 46
47extern int smp_num_cpus; 47extern int smp_num_cpus;
48#define cpu_possible_map cpu_present_map
49 48
50extern void arch_send_call_function_single_ipi(int cpu); 49extern void arch_send_call_function_single_ipi(int cpu);
51extern void arch_send_call_function_ipi(cpumask_t mask); 50extern void arch_send_call_function_ipi(cpumask_t mask);
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 351407e07e71..f238370c907d 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -94,6 +94,7 @@ common_shutdown_1(void *generic_ptr)
94 flags |= 0x00040000UL; /* "remain halted" */ 94 flags |= 0x00040000UL; /* "remain halted" */
95 *pflags = flags; 95 *pflags = flags;
96 cpu_clear(cpuid, cpu_present_map); 96 cpu_clear(cpuid, cpu_present_map);
97 cpu_clear(cpuid, cpu_possible_map);
97 halt(); 98 halt();
98 } 99 }
99#endif 100#endif
@@ -120,6 +121,7 @@ common_shutdown_1(void *generic_ptr)
120#ifdef CONFIG_SMP 121#ifdef CONFIG_SMP
121 /* Wait for the secondaries to halt. */ 122 /* Wait for the secondaries to halt. */
122 cpu_clear(boot_cpuid, cpu_present_map); 123 cpu_clear(boot_cpuid, cpu_present_map);
124 cpu_clear(boot_cpuid, cpu_possible_map);
123 while (cpus_weight(cpu_present_map)) 125 while (cpus_weight(cpu_present_map))
124 barrier(); 126 barrier();
125#endif 127#endif
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index cf7da10097bb..d953e510f68d 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -70,11 +70,6 @@ enum ipi_message_type {
70/* Set to a secondary's cpuid when it comes online. */ 70/* Set to a secondary's cpuid when it comes online. */
71static int smp_secondary_alive __devinitdata = 0; 71static int smp_secondary_alive __devinitdata = 0;
72 72
73/* Which cpus ids came online. */
74cpumask_t cpu_online_map;
75
76EXPORT_SYMBOL(cpu_online_map);
77
78int smp_num_probed; /* Internal processor count */ 73int smp_num_probed; /* Internal processor count */
79int smp_num_cpus = 1; /* Number that came online. */ 74int smp_num_cpus = 1; /* Number that came online. */
80EXPORT_SYMBOL(smp_num_cpus); 75EXPORT_SYMBOL(smp_num_cpus);
@@ -440,6 +435,7 @@ setup_smp(void)
440 ((char *)cpubase + i*hwrpb->processor_size); 435 ((char *)cpubase + i*hwrpb->processor_size);
441 if ((cpu->flags & 0x1cc) == 0x1cc) { 436 if ((cpu->flags & 0x1cc) == 0x1cc) {
442 smp_num_probed++; 437 smp_num_probed++;
438 cpu_set(i, cpu_possible_map);
443 cpu_set(i, cpu_present_map); 439 cpu_set(i, cpu_present_map);
444 cpu->pal_revision = boot_cpu_palrev; 440 cpu->pal_revision = boot_cpu_palrev;
445 } 441 }
@@ -473,6 +469,7 @@ smp_prepare_cpus(unsigned int max_cpus)
473 469
474 /* Nothing to do on a UP box, or when told not to. */ 470 /* Nothing to do on a UP box, or when told not to. */
475 if (smp_num_probed == 1 || max_cpus == 0) { 471 if (smp_num_probed == 1 || max_cpus == 0) {
472 cpu_possible_map = cpumask_of_cpu(boot_cpuid);
476 cpu_present_map = cpumask_of_cpu(boot_cpuid); 473 cpu_present_map = cpumask_of_cpu(boot_cpuid);
477 printk(KERN_INFO "SMP mode deactivated.\n"); 474 printk(KERN_INFO "SMP mode deactivated.\n");
478 return; 475 return;
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index e42a749a56dd..bd905c0a7365 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -34,16 +34,6 @@
34#include <asm/ptrace.h> 34#include <asm/ptrace.h>
35 35
36/* 36/*
37 * bitmask of present and online CPUs.
38 * The present bitmask indicates that the CPU is physically present.
39 * The online bitmask indicates that the CPU is up and running.
40 */
41cpumask_t cpu_possible_map;
42EXPORT_SYMBOL(cpu_possible_map);
43cpumask_t cpu_online_map;
44EXPORT_SYMBOL(cpu_online_map);
45
46/*
47 * as from 2.5, kernels no longer have an init_tasks structure 37 * as from 2.5, kernels no longer have an init_tasks structure
48 * so we need some other way of telling a new secondary core 38 * so we need some other way of telling a new secondary core
49 * where to place its SVC stack 39 * where to place its SVC stack
diff --git a/arch/cris/arch-v32/kernel/smp.c b/arch/cris/arch-v32/kernel/smp.c
index 52e16c6436f9..9dac17334640 100644
--- a/arch/cris/arch-v32/kernel/smp.c
+++ b/arch/cris/arch-v32/kernel/smp.c
@@ -29,11 +29,7 @@
29spinlock_t cris_atomic_locks[] = { [0 ... LOCK_COUNT - 1] = SPIN_LOCK_UNLOCKED}; 29spinlock_t cris_atomic_locks[] = { [0 ... LOCK_COUNT - 1] = SPIN_LOCK_UNLOCKED};
30 30
31/* CPU masks */ 31/* CPU masks */
32cpumask_t cpu_online_map = CPU_MASK_NONE;
33EXPORT_SYMBOL(cpu_online_map);
34cpumask_t phys_cpu_present_map = CPU_MASK_NONE; 32cpumask_t phys_cpu_present_map = CPU_MASK_NONE;
35cpumask_t cpu_possible_map;
36EXPORT_SYMBOL(cpu_possible_map);
37EXPORT_SYMBOL(phys_cpu_present_map); 33EXPORT_SYMBOL(phys_cpu_present_map);
38 34
39/* Variables used during SMP boot */ 35/* Variables used during SMP boot */
diff --git a/arch/cris/include/asm/smp.h b/arch/cris/include/asm/smp.h
index dba33aba3e95..c615a06dd757 100644
--- a/arch/cris/include/asm/smp.h
+++ b/arch/cris/include/asm/smp.h
@@ -4,7 +4,6 @@
4#include <linux/cpumask.h> 4#include <linux/cpumask.h>
5 5
6extern cpumask_t phys_cpu_present_map; 6extern cpumask_t phys_cpu_present_map;
7extern cpumask_t cpu_possible_map;
8 7
9#define raw_smp_processor_id() (current_thread_info()->cpu) 8#define raw_smp_processor_id() (current_thread_info()->cpu)
10 9
diff --git a/arch/ia64/include/asm/smp.h b/arch/ia64/include/asm/smp.h
index 12d96e0cd513..21c402365d0e 100644
--- a/arch/ia64/include/asm/smp.h
+++ b/arch/ia64/include/asm/smp.h
@@ -57,7 +57,6 @@ extern struct smp_boot_data {
57 57
58extern char no_int_routing __devinitdata; 58extern char no_int_routing __devinitdata;
59 59
60extern cpumask_t cpu_online_map;
61extern cpumask_t cpu_core_map[NR_CPUS]; 60extern cpumask_t cpu_core_map[NR_CPUS];
62DECLARE_PER_CPU(cpumask_t, cpu_sibling_map); 61DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
63extern int smp_num_siblings; 62extern int smp_num_siblings;
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 1dcbb85fc4ee..4ede6e571c38 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -131,12 +131,6 @@ struct task_struct *task_for_booting_cpu;
131 */ 131 */
132DEFINE_PER_CPU(int, cpu_state); 132DEFINE_PER_CPU(int, cpu_state);
133 133
134/* Bitmasks of currently online, and possible CPUs */
135cpumask_t cpu_online_map;
136EXPORT_SYMBOL(cpu_online_map);
137cpumask_t cpu_possible_map = CPU_MASK_NONE;
138EXPORT_SYMBOL(cpu_possible_map);
139
140cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned; 134cpumask_t cpu_core_map[NR_CPUS] __cacheline_aligned;
141EXPORT_SYMBOL(cpu_core_map); 135EXPORT_SYMBOL(cpu_core_map);
142DEFINE_PER_CPU_SHARED_ALIGNED(cpumask_t, cpu_sibling_map); 136DEFINE_PER_CPU_SHARED_ALIGNED(cpumask_t, cpu_sibling_map);
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index dbaed4a63815..17a6dab09319 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -10,6 +10,7 @@ config M32R
10 default y 10 default y
11 select HAVE_IDE 11 select HAVE_IDE
12 select HAVE_OPROFILE 12 select HAVE_OPROFILE
13 select INIT_ALL_POSSIBLE
13 14
14config SBUS 15config SBUS
15 bool 16 bool
diff --git a/arch/m32r/kernel/smpboot.c b/arch/m32r/kernel/smpboot.c
index 39cb6da72dcb..0f06b3722e96 100644
--- a/arch/m32r/kernel/smpboot.c
+++ b/arch/m32r/kernel/smpboot.c
@@ -73,17 +73,11 @@ static unsigned int bsp_phys_id = -1;
73/* Bitmask of physically existing CPUs */ 73/* Bitmask of physically existing CPUs */
74physid_mask_t phys_cpu_present_map; 74physid_mask_t phys_cpu_present_map;
75 75
76/* Bitmask of currently online CPUs */
77cpumask_t cpu_online_map;
78EXPORT_SYMBOL(cpu_online_map);
79
80cpumask_t cpu_bootout_map; 76cpumask_t cpu_bootout_map;
81cpumask_t cpu_bootin_map; 77cpumask_t cpu_bootin_map;
82static cpumask_t cpu_callin_map; 78static cpumask_t cpu_callin_map;
83cpumask_t cpu_callout_map; 79cpumask_t cpu_callout_map;
84EXPORT_SYMBOL(cpu_callout_map); 80EXPORT_SYMBOL(cpu_callout_map);
85cpumask_t cpu_possible_map = CPU_MASK_ALL;
86EXPORT_SYMBOL(cpu_possible_map);
87 81
88/* Per CPU bogomips and other parameters */ 82/* Per CPU bogomips and other parameters */
89struct cpuinfo_m32r cpu_data[NR_CPUS] __cacheline_aligned; 83struct cpuinfo_m32r cpu_data[NR_CPUS] __cacheline_aligned;
diff --git a/arch/mips/include/asm/smp.h b/arch/mips/include/asm/smp.h
index 0ff5b523ea77..86557b5d1b3f 100644
--- a/arch/mips/include/asm/smp.h
+++ b/arch/mips/include/asm/smp.h
@@ -38,9 +38,6 @@ extern int __cpu_logical_map[NR_CPUS];
38#define SMP_RESCHEDULE_YOURSELF 0x1 /* XXX braindead */ 38#define SMP_RESCHEDULE_YOURSELF 0x1 /* XXX braindead */
39#define SMP_CALL_FUNCTION 0x2 39#define SMP_CALL_FUNCTION 0x2
40 40
41extern cpumask_t phys_cpu_present_map;
42#define cpu_possible_map phys_cpu_present_map
43
44extern void asmlinkage smp_bootstrap(void); 41extern void asmlinkage smp_bootstrap(void);
45 42
46/* 43/*
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c
index ca476c4f62a5..6789c1a12120 100644
--- a/arch/mips/kernel/smp-cmp.c
+++ b/arch/mips/kernel/smp-cmp.c
@@ -226,7 +226,7 @@ void __init cmp_smp_setup(void)
226 226
227 for (i = 1; i < NR_CPUS; i++) { 227 for (i = 1; i < NR_CPUS; i++) {
228 if (amon_cpu_avail(i)) { 228 if (amon_cpu_avail(i)) {
229 cpu_set(i, phys_cpu_present_map); 229 cpu_set(i, cpu_possible_map);
230 __cpu_number_map[i] = ++ncpu; 230 __cpu_number_map[i] = ++ncpu;
231 __cpu_logical_map[ncpu] = i; 231 __cpu_logical_map[ncpu] = i;
232 } 232 }
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index 87a1816c1f45..6f7ee5ac46ee 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -70,7 +70,7 @@ static unsigned int __init smvp_vpe_init(unsigned int tc, unsigned int mvpconf0,
70 write_vpe_c0_vpeconf0(tmp); 70 write_vpe_c0_vpeconf0(tmp);
71 71
72 /* Record this as available CPU */ 72 /* Record this as available CPU */
73 cpu_set(tc, phys_cpu_present_map); 73 cpu_set(tc, cpu_possible_map);
74 __cpu_number_map[tc] = ++ncpu; 74 __cpu_number_map[tc] = ++ncpu;
75 __cpu_logical_map[ncpu] = tc; 75 __cpu_logical_map[ncpu] = tc;
76 } 76 }
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 8bf88faf5afd..3da94704f816 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -44,15 +44,10 @@
44#include <asm/mipsmtregs.h> 44#include <asm/mipsmtregs.h>
45#endif /* CONFIG_MIPS_MT_SMTC */ 45#endif /* CONFIG_MIPS_MT_SMTC */
46 46
47cpumask_t phys_cpu_present_map; /* Bitmask of available CPUs */
48volatile cpumask_t cpu_callin_map; /* Bitmask of started secondaries */ 47volatile cpumask_t cpu_callin_map; /* Bitmask of started secondaries */
49cpumask_t cpu_online_map; /* Bitmask of currently online CPUs */
50int __cpu_number_map[NR_CPUS]; /* Map physical to logical */ 48int __cpu_number_map[NR_CPUS]; /* Map physical to logical */
51int __cpu_logical_map[NR_CPUS]; /* Map logical to physical */ 49int __cpu_logical_map[NR_CPUS]; /* Map logical to physical */
52 50
53EXPORT_SYMBOL(phys_cpu_present_map);
54EXPORT_SYMBOL(cpu_online_map);
55
56extern void cpu_idle(void); 51extern void cpu_idle(void);
57 52
58/* Number of TCs (or siblings in Intel speak) per CPU core */ 53/* Number of TCs (or siblings in Intel speak) per CPU core */
@@ -195,7 +190,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
195/* preload SMP state for boot cpu */ 190/* preload SMP state for boot cpu */
196void __devinit smp_prepare_boot_cpu(void) 191void __devinit smp_prepare_boot_cpu(void)
197{ 192{
198 cpu_set(0, phys_cpu_present_map); 193 cpu_set(0, cpu_possible_map);
199 cpu_set(0, cpu_online_map); 194 cpu_set(0, cpu_online_map);
200 cpu_set(0, cpu_callin_map); 195 cpu_set(0, cpu_callin_map);
201} 196}
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 897fb2b4751c..b6cca01ff82b 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -290,7 +290,7 @@ static void smtc_configure_tlb(void)
290 * possibly leave some TCs/VPEs as "slave" processors. 290 * possibly leave some TCs/VPEs as "slave" processors.
291 * 291 *
292 * Use c0_MVPConf0 to find out how many TCs are available, setting up 292 * Use c0_MVPConf0 to find out how many TCs are available, setting up
293 * phys_cpu_present_map and the logical/physical mappings. 293 * cpu_possible_map and the logical/physical mappings.
294 */ 294 */
295 295
296int __init smtc_build_cpu_map(int start_cpu_slot) 296int __init smtc_build_cpu_map(int start_cpu_slot)
@@ -304,7 +304,7 @@ int __init smtc_build_cpu_map(int start_cpu_slot)
304 */ 304 */
305 ntcs = ((read_c0_mvpconf0() & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1; 305 ntcs = ((read_c0_mvpconf0() & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1;
306 for (i=start_cpu_slot; i<NR_CPUS && i<ntcs; i++) { 306 for (i=start_cpu_slot; i<NR_CPUS && i<ntcs; i++) {
307 cpu_set(i, phys_cpu_present_map); 307 cpu_set(i, cpu_possible_map);
308 __cpu_number_map[i] = i; 308 __cpu_number_map[i] = i;
309 __cpu_logical_map[i] = i; 309 __cpu_logical_map[i] = i;
310 } 310 }
@@ -521,7 +521,7 @@ void smtc_prepare_cpus(int cpus)
521 * Pull any physically present but unused TCs out of circulation. 521 * Pull any physically present but unused TCs out of circulation.
522 */ 522 */
523 while (tc < (((val & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1)) { 523 while (tc < (((val & MVPCONF0_PTC) >> MVPCONF0_PTC_SHIFT) + 1)) {
524 cpu_clear(tc, phys_cpu_present_map); 524 cpu_clear(tc, cpu_possible_map);
525 cpu_clear(tc, cpu_present_map); 525 cpu_clear(tc, cpu_present_map);
526 tc++; 526 tc++;
527 } 527 }
diff --git a/arch/mips/pmc-sierra/yosemite/smp.c b/arch/mips/pmc-sierra/yosemite/smp.c
index 3a7df647ca77..f78c29b68d77 100644
--- a/arch/mips/pmc-sierra/yosemite/smp.c
+++ b/arch/mips/pmc-sierra/yosemite/smp.c
@@ -141,7 +141,7 @@ static void __cpuinit yos_boot_secondary(int cpu, struct task_struct *idle)
141} 141}
142 142
143/* 143/*
144 * Detect available CPUs, populate phys_cpu_present_map before smp_init 144 * Detect available CPUs, populate cpu_possible_map before smp_init
145 * 145 *
146 * We don't want to start the secondary CPU yet nor do we have a nice probing 146 * We don't want to start the secondary CPU yet nor do we have a nice probing
147 * feature in PMON so we just assume presence of the secondary core. 147 * feature in PMON so we just assume presence of the secondary core.
@@ -150,10 +150,10 @@ static void __init yos_smp_setup(void)
150{ 150{
151 int i; 151 int i;
152 152
153 cpus_clear(phys_cpu_present_map); 153 cpus_clear(cpu_possible_map);
154 154
155 for (i = 0; i < 2; i++) { 155 for (i = 0; i < 2; i++) {
156 cpu_set(i, phys_cpu_present_map); 156 cpu_set(i, cpu_possible_map);
157 __cpu_number_map[i] = i; 157 __cpu_number_map[i] = i;
158 __cpu_logical_map[i] = i; 158 __cpu_logical_map[i] = i;
159 } 159 }
diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c
index ba5cdebeaf0d..5b47d6b65275 100644
--- a/arch/mips/sgi-ip27/ip27-smp.c
+++ b/arch/mips/sgi-ip27/ip27-smp.c
@@ -76,7 +76,7 @@ static int do_cpumask(cnodeid_t cnode, nasid_t nasid, int highest)
76 /* Only let it join in if it's marked enabled */ 76 /* Only let it join in if it's marked enabled */
77 if ((acpu->cpu_info.flags & KLINFO_ENABLE) && 77 if ((acpu->cpu_info.flags & KLINFO_ENABLE) &&
78 (tot_cpus_found != NR_CPUS)) { 78 (tot_cpus_found != NR_CPUS)) {
79 cpu_set(cpuid, phys_cpu_present_map); 79 cpu_set(cpuid, cpu_possible_map);
80 alloc_cpupda(cpuid, tot_cpus_found); 80 alloc_cpupda(cpuid, tot_cpus_found);
81 cpus_found++; 81 cpus_found++;
82 tot_cpus_found++; 82 tot_cpus_found++;
diff --git a/arch/mips/sibyte/bcm1480/smp.c b/arch/mips/sibyte/bcm1480/smp.c
index bd9eeb43ed0e..dddfda8e8294 100644
--- a/arch/mips/sibyte/bcm1480/smp.c
+++ b/arch/mips/sibyte/bcm1480/smp.c
@@ -136,7 +136,7 @@ static void __cpuinit bcm1480_boot_secondary(int cpu, struct task_struct *idle)
136 136
137/* 137/*
138 * Use CFE to find out how many CPUs are available, setting up 138 * Use CFE to find out how many CPUs are available, setting up
139 * phys_cpu_present_map and the logical/physical mappings. 139 * cpu_possible_map and the logical/physical mappings.
140 * XXXKW will the boot CPU ever not be physical 0? 140 * XXXKW will the boot CPU ever not be physical 0?
141 * 141 *
142 * Common setup before any secondaries are started 142 * Common setup before any secondaries are started
@@ -145,14 +145,14 @@ static void __init bcm1480_smp_setup(void)
145{ 145{
146 int i, num; 146 int i, num;
147 147
148 cpus_clear(phys_cpu_present_map); 148 cpus_clear(cpu_possible_map);
149 cpu_set(0, phys_cpu_present_map); 149 cpu_set(0, cpu_possible_map);
150 __cpu_number_map[0] = 0; 150 __cpu_number_map[0] = 0;
151 __cpu_logical_map[0] = 0; 151 __cpu_logical_map[0] = 0;
152 152
153 for (i = 1, num = 0; i < NR_CPUS; i++) { 153 for (i = 1, num = 0; i < NR_CPUS; i++) {
154 if (cfe_cpu_stop(i) == 0) { 154 if (cfe_cpu_stop(i) == 0) {
155 cpu_set(i, phys_cpu_present_map); 155 cpu_set(i, cpu_possible_map);
156 __cpu_number_map[i] = ++num; 156 __cpu_number_map[i] = ++num;
157 __cpu_logical_map[num] = i; 157 __cpu_logical_map[num] = i;
158 } 158 }
diff --git a/arch/mips/sibyte/sb1250/smp.c b/arch/mips/sibyte/sb1250/smp.c
index 0734b933e969..5950a288a7da 100644
--- a/arch/mips/sibyte/sb1250/smp.c
+++ b/arch/mips/sibyte/sb1250/smp.c
@@ -124,7 +124,7 @@ static void __cpuinit sb1250_boot_secondary(int cpu, struct task_struct *idle)
124 124
125/* 125/*
126 * Use CFE to find out how many CPUs are available, setting up 126 * Use CFE to find out how many CPUs are available, setting up
127 * phys_cpu_present_map and the logical/physical mappings. 127 * cpu_possible_map and the logical/physical mappings.
128 * XXXKW will the boot CPU ever not be physical 0? 128 * XXXKW will the boot CPU ever not be physical 0?
129 * 129 *
130 * Common setup before any secondaries are started 130 * Common setup before any secondaries are started
@@ -133,14 +133,14 @@ static void __init sb1250_smp_setup(void)
133{ 133{
134 int i, num; 134 int i, num;
135 135
136 cpus_clear(phys_cpu_present_map); 136 cpus_clear(cpu_possible_map);
137 cpu_set(0, phys_cpu_present_map); 137 cpu_set(0, cpu_possible_map);
138 __cpu_number_map[0] = 0; 138 __cpu_number_map[0] = 0;
139 __cpu_logical_map[0] = 0; 139 __cpu_logical_map[0] = 0;
140 140
141 for (i = 1, num = 0; i < NR_CPUS; i++) { 141 for (i = 1, num = 0; i < NR_CPUS; i++) {
142 if (cfe_cpu_stop(i) == 0) { 142 if (cfe_cpu_stop(i) == 0) {
143 cpu_set(i, phys_cpu_present_map); 143 cpu_set(i, cpu_possible_map);
144 __cpu_number_map[i] = ++num; 144 __cpu_number_map[i] = ++num;
145 __cpu_logical_map[num] = i; 145 __cpu_logical_map[num] = i;
146 } 146 }
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 644a70b1b04e..aacf11d33723 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -11,6 +11,7 @@ config PARISC
11 select HAVE_OPROFILE 11 select HAVE_OPROFILE
12 select RTC_CLASS 12 select RTC_CLASS
13 select RTC_DRV_PARISC 13 select RTC_DRV_PARISC
14 select INIT_ALL_POSSIBLE
14 help 15 help
15 The PA-RISC microprocessor is designed by Hewlett-Packard and used 16 The PA-RISC microprocessor is designed by Hewlett-Packard and used
16 in many of their workstations & servers (HP9000 700 and 800 series, 17 in many of their workstations & servers (HP9000 700 and 800 series,
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
index d47f3975c9c6..80bc000523fa 100644
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -67,21 +67,6 @@ static volatile int cpu_now_booting __read_mostly = 0; /* track which CPU is boo
67 67
68static int parisc_max_cpus __read_mostly = 1; 68static int parisc_max_cpus __read_mostly = 1;
69 69
70/* online cpus are ones that we've managed to bring up completely
71 * possible cpus are all valid cpu
72 * present cpus are all detected cpu
73 *
74 * On startup we bring up the "possible" cpus. Since we discover
75 * CPUs later, we add them as hotplug, so the possible cpu mask is
76 * empty in the beginning.
77 */
78
79cpumask_t cpu_online_map __read_mostly = CPU_MASK_NONE; /* Bitmap of online CPUs */
80cpumask_t cpu_possible_map __read_mostly = CPU_MASK_ALL; /* Bitmap of Present CPUs */
81
82EXPORT_SYMBOL(cpu_online_map);
83EXPORT_SYMBOL(cpu_possible_map);
84
85DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED; 70DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
86 71
87enum ipi_message_type { 72enum ipi_message_type {
diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c
index ff9f7010097d..d1165566f064 100644
--- a/arch/powerpc/kernel/smp.c
+++ b/arch/powerpc/kernel/smp.c
@@ -60,13 +60,9 @@
60int smp_hw_index[NR_CPUS]; 60int smp_hw_index[NR_CPUS];
61struct thread_info *secondary_ti; 61struct thread_info *secondary_ti;
62 62
63cpumask_t cpu_possible_map = CPU_MASK_NONE;
64cpumask_t cpu_online_map = CPU_MASK_NONE;
65DEFINE_PER_CPU(cpumask_t, cpu_sibling_map) = CPU_MASK_NONE; 63DEFINE_PER_CPU(cpumask_t, cpu_sibling_map) = CPU_MASK_NONE;
66DEFINE_PER_CPU(cpumask_t, cpu_core_map) = CPU_MASK_NONE; 64DEFINE_PER_CPU(cpumask_t, cpu_core_map) = CPU_MASK_NONE;
67 65
68EXPORT_SYMBOL(cpu_online_map);
69EXPORT_SYMBOL(cpu_possible_map);
70EXPORT_PER_CPU_SYMBOL(cpu_sibling_map); 66EXPORT_PER_CPU_SYMBOL(cpu_sibling_map);
71EXPORT_PER_CPU_SYMBOL(cpu_core_map); 67EXPORT_PER_CPU_SYMBOL(cpu_core_map);
72 68
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 8116a3328a19..b4aa5869c7f9 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -75,6 +75,7 @@ config S390
75 select HAVE_KRETPROBES 75 select HAVE_KRETPROBES
76 select HAVE_KVM if 64BIT 76 select HAVE_KVM if 64BIT
77 select HAVE_ARCH_TRACEHOOK 77 select HAVE_ARCH_TRACEHOOK
78 select INIT_ALL_POSSIBLE
78 79
79source "init/Kconfig" 80source "init/Kconfig"
80 81
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index b5595688a477..f03914b8ed2f 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -52,12 +52,6 @@
52struct _lowcore *lowcore_ptr[NR_CPUS]; 52struct _lowcore *lowcore_ptr[NR_CPUS];
53EXPORT_SYMBOL(lowcore_ptr); 53EXPORT_SYMBOL(lowcore_ptr);
54 54
55cpumask_t cpu_online_map = CPU_MASK_NONE;
56EXPORT_SYMBOL(cpu_online_map);
57
58cpumask_t cpu_possible_map = CPU_MASK_ALL;
59EXPORT_SYMBOL(cpu_possible_map);
60
61static struct task_struct *current_set[NR_CPUS]; 55static struct task_struct *current_set[NR_CPUS];
62 56
63static u8 smp_cpu_type; 57static u8 smp_cpu_type;
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index 3c5ad1660bbc..593937d0c495 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -31,12 +31,6 @@
31int __cpu_number_map[NR_CPUS]; /* Map physical to logical */ 31int __cpu_number_map[NR_CPUS]; /* Map physical to logical */
32int __cpu_logical_map[NR_CPUS]; /* Map logical to physical */ 32int __cpu_logical_map[NR_CPUS]; /* Map logical to physical */
33 33
34cpumask_t cpu_possible_map;
35EXPORT_SYMBOL(cpu_possible_map);
36
37cpumask_t cpu_online_map;
38EXPORT_SYMBOL(cpu_online_map);
39
40static inline void __init smp_store_cpu_info(unsigned int cpu) 34static inline void __init smp_store_cpu_info(unsigned int cpu)
41{ 35{
42 struct sh_cpuinfo *c = cpu_data + cpu; 36 struct sh_cpuinfo *c = cpu_data + cpu;
diff --git a/arch/sparc/include/asm/smp_32.h b/arch/sparc/include/asm/smp_32.h
index a8180e546a48..8408d9d2a662 100644
--- a/arch/sparc/include/asm/smp_32.h
+++ b/arch/sparc/include/asm/smp_32.h
@@ -29,8 +29,6 @@
29 */ 29 */
30 30
31extern unsigned char boot_cpu_id; 31extern unsigned char boot_cpu_id;
32extern cpumask_t phys_cpu_present_map;
33#define cpu_possible_map phys_cpu_present_map
34 32
35typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long, 33typedef void (*smpfunc_t)(unsigned long, unsigned long, unsigned long,
36 unsigned long, unsigned long); 34 unsigned long, unsigned long);
diff --git a/arch/sparc/kernel/smp.c b/arch/sparc/kernel/smp.c
index e396c1f17a92..1e5ac4e282e1 100644
--- a/arch/sparc/kernel/smp.c
+++ b/arch/sparc/kernel/smp.c
@@ -39,8 +39,6 @@ volatile unsigned long cpu_callin_map[NR_CPUS] __cpuinitdata = {0,};
39unsigned char boot_cpu_id = 0; 39unsigned char boot_cpu_id = 0;
40unsigned char boot_cpu_id4 = 0; /* boot_cpu_id << 2 */ 40unsigned char boot_cpu_id4 = 0; /* boot_cpu_id << 2 */
41 41
42cpumask_t cpu_online_map = CPU_MASK_NONE;
43cpumask_t phys_cpu_present_map = CPU_MASK_NONE;
44cpumask_t smp_commenced_mask = CPU_MASK_NONE; 42cpumask_t smp_commenced_mask = CPU_MASK_NONE;
45 43
46/* The only guaranteed locking primitive available on all Sparc 44/* The only guaranteed locking primitive available on all Sparc
@@ -334,7 +332,7 @@ void __init smp_setup_cpu_possible_map(void)
334 instance = 0; 332 instance = 0;
335 while (!cpu_find_by_instance(instance, NULL, &mid)) { 333 while (!cpu_find_by_instance(instance, NULL, &mid)) {
336 if (mid < NR_CPUS) { 334 if (mid < NR_CPUS) {
337 cpu_set(mid, phys_cpu_present_map); 335 cpu_set(mid, cpu_possible_map);
338 cpu_set(mid, cpu_present_map); 336 cpu_set(mid, cpu_present_map);
339 } 337 }
340 instance++; 338 instance++;
@@ -354,7 +352,7 @@ void __init smp_prepare_boot_cpu(void)
354 352
355 current_thread_info()->cpu = cpuid; 353 current_thread_info()->cpu = cpuid;
356 cpu_set(cpuid, cpu_online_map); 354 cpu_set(cpuid, cpu_online_map);
357 cpu_set(cpuid, phys_cpu_present_map); 355 cpu_set(cpuid, cpu_possible_map);
358} 356}
359 357
360int __cpuinit __cpu_up(unsigned int cpu) 358int __cpuinit __cpu_up(unsigned int cpu)
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index b0dfff848653..32d11a5fe3a8 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -113,10 +113,6 @@ EXPORT_PER_CPU_SYMBOL(__cpu_data);
113#ifdef CONFIG_SMP 113#ifdef CONFIG_SMP
114/* IRQ implementation. */ 114/* IRQ implementation. */
115EXPORT_SYMBOL(synchronize_irq); 115EXPORT_SYMBOL(synchronize_irq);
116
117/* CPU online map and active count. */
118EXPORT_SYMBOL(cpu_online_map);
119EXPORT_SYMBOL(phys_cpu_present_map);
120#endif 116#endif
121 117
122EXPORT_SYMBOL(__udelay); 118EXPORT_SYMBOL(__udelay);
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index f500b0618bb0..a97b8822c22c 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -49,14 +49,10 @@
49 49
50int sparc64_multi_core __read_mostly; 50int sparc64_multi_core __read_mostly;
51 51
52cpumask_t cpu_possible_map __read_mostly = CPU_MASK_NONE;
53cpumask_t cpu_online_map __read_mostly = CPU_MASK_NONE;
54DEFINE_PER_CPU(cpumask_t, cpu_sibling_map) = CPU_MASK_NONE; 52DEFINE_PER_CPU(cpumask_t, cpu_sibling_map) = CPU_MASK_NONE;
55cpumask_t cpu_core_map[NR_CPUS] __read_mostly = 53cpumask_t cpu_core_map[NR_CPUS] __read_mostly =
56 { [0 ... NR_CPUS-1] = CPU_MASK_NONE }; 54 { [0 ... NR_CPUS-1] = CPU_MASK_NONE };
57 55
58EXPORT_SYMBOL(cpu_possible_map);
59EXPORT_SYMBOL(cpu_online_map);
60EXPORT_PER_CPU_SYMBOL(cpu_sibling_map); 56EXPORT_PER_CPU_SYMBOL(cpu_sibling_map);
61EXPORT_SYMBOL(cpu_core_map); 57EXPORT_SYMBOL(cpu_core_map);
62 58
diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c
index 045772142844..98351c78bc81 100644
--- a/arch/um/kernel/smp.c
+++ b/arch/um/kernel/smp.c
@@ -25,13 +25,6 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
25#include "irq_user.h" 25#include "irq_user.h"
26#include "os.h" 26#include "os.h"
27 27
28/* CPU online map, set by smp_boot_cpus */
29cpumask_t cpu_online_map = CPU_MASK_NONE;
30cpumask_t cpu_possible_map = CPU_MASK_NONE;
31
32EXPORT_SYMBOL(cpu_online_map);
33EXPORT_SYMBOL(cpu_possible_map);
34
35/* Per CPU bogomips and other parameters 28/* Per CPU bogomips and other parameters
36 * The only piece used here is the ipi pipe, which is set before SMP is 29 * The only piece used here is the ipi pipe, which is set before SMP is
37 * started and never changed. 30 * started and never changed.
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 7b1093397319..468c2f9d47ae 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -101,14 +101,8 @@ EXPORT_SYMBOL(smp_num_siblings);
101/* Last level cache ID of each logical CPU */ 101/* Last level cache ID of each logical CPU */
102DEFINE_PER_CPU(u16, cpu_llc_id) = BAD_APICID; 102DEFINE_PER_CPU(u16, cpu_llc_id) = BAD_APICID;
103 103
104/* bitmap of online cpus */
105cpumask_t cpu_online_map __read_mostly;
106EXPORT_SYMBOL(cpu_online_map);
107
108cpumask_t cpu_callin_map; 104cpumask_t cpu_callin_map;
109cpumask_t cpu_callout_map; 105cpumask_t cpu_callout_map;
110cpumask_t cpu_possible_map;
111EXPORT_SYMBOL(cpu_possible_map);
112 106
113/* representing HT siblings of each logical CPU */ 107/* representing HT siblings of each logical CPU */
114DEFINE_PER_CPU(cpumask_t, cpu_sibling_map); 108DEFINE_PER_CPU(cpumask_t, cpu_sibling_map);
diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c
index 52145007bd7e..9c990185e9f2 100644
--- a/arch/x86/mach-voyager/voyager_smp.c
+++ b/arch/x86/mach-voyager/voyager_smp.c
@@ -63,11 +63,6 @@ static int voyager_extended_cpus = 1;
63/* Used for the invalidate map that's also checked in the spinlock */ 63/* Used for the invalidate map that's also checked in the spinlock */
64static volatile unsigned long smp_invalidate_needed; 64static volatile unsigned long smp_invalidate_needed;
65 65
66/* Bitmask of currently online CPUs - used by setup.c for
67 /proc/cpuinfo, visible externally but still physical */
68cpumask_t cpu_online_map = CPU_MASK_NONE;
69EXPORT_SYMBOL(cpu_online_map);
70
71/* Bitmask of CPUs present in the system - exported by i386_syms.c, used 66/* Bitmask of CPUs present in the system - exported by i386_syms.c, used
72 * by scheduler but indexed physically */ 67 * by scheduler but indexed physically */
73cpumask_t phys_cpu_present_map = CPU_MASK_NONE; 68cpumask_t phys_cpu_present_map = CPU_MASK_NONE;
@@ -218,8 +213,6 @@ static cpumask_t smp_commenced_mask = CPU_MASK_NONE;
218/* This is for the new dynamic CPU boot code */ 213/* This is for the new dynamic CPU boot code */
219cpumask_t cpu_callin_map = CPU_MASK_NONE; 214cpumask_t cpu_callin_map = CPU_MASK_NONE;
220cpumask_t cpu_callout_map = CPU_MASK_NONE; 215cpumask_t cpu_callout_map = CPU_MASK_NONE;
221cpumask_t cpu_possible_map = CPU_MASK_NONE;
222EXPORT_SYMBOL(cpu_possible_map);
223 216
224/* The per processor IRQ masks (these are usually kept in sync) */ 217/* The per processor IRQ masks (these are usually kept in sync) */
225static __u16 vic_irq_mask[NR_CPUS] __cacheline_aligned; 218static __u16 vic_irq_mask[NR_CPUS] __cacheline_aligned;