aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--arch/x86/kernel/acpi/cstate.c3
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c10
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.c15
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c12
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-ich.c3
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c3
-rw-r--r--arch/x86/kernel/ldt.c6
-rw-r--r--arch/x86/kernel/microcode.c17
-rw-r--r--arch/x86/kernel/reboot.c11
-rw-r--r--drivers/acpi/processor_throttling.c11
-rw-r--r--drivers/firmware/dcdbas.c3
-rw-r--r--drivers/misc/sgi-xp/xpc_main.c3
-rw-r--r--kernel/stop_machine.c3
-rw-r--r--kernel/time/tick-common.c8
-rw-r--r--kernel/trace/trace_sysprof.c4
-rw-r--r--lib/smp_processor_id.c5
-rw-r--r--net/sunrpc/svc.c3
17 files changed, 37 insertions, 83 deletions
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index 9220cf46aa10..c2502eb9aa83 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -73,7 +73,6 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
73 struct cpuinfo_x86 *c = &cpu_data(cpu); 73 struct cpuinfo_x86 *c = &cpu_data(cpu);
74 74
75 cpumask_t saved_mask; 75 cpumask_t saved_mask;
76 cpumask_of_cpu_ptr(new_mask, cpu);
77 int retval; 76 int retval;
78 unsigned int eax, ebx, ecx, edx; 77 unsigned int eax, ebx, ecx, edx;
79 unsigned int edx_part; 78 unsigned int edx_part;
@@ -92,7 +91,7 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
92 91
93 /* Make sure we are running on right CPU */ 92 /* Make sure we are running on right CPU */
94 saved_mask = current->cpus_allowed; 93 saved_mask = current->cpus_allowed;
95 retval = set_cpus_allowed_ptr(current, new_mask); 94 retval = set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
96 if (retval) 95 if (retval)
97 return -1; 96 return -1;
98 97
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index ff2fff56f0a8..dd097b835839 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -200,12 +200,10 @@ static void drv_read(struct drv_cmd *cmd)
200static void drv_write(struct drv_cmd *cmd) 200static void drv_write(struct drv_cmd *cmd)
201{ 201{
202 cpumask_t saved_mask = current->cpus_allowed; 202 cpumask_t saved_mask = current->cpus_allowed;
203 cpumask_of_cpu_ptr_declare(cpu_mask);
204 unsigned int i; 203 unsigned int i;
205 204
206 for_each_cpu_mask_nr(i, cmd->mask) { 205 for_each_cpu_mask_nr(i, cmd->mask) {
207 cpumask_of_cpu_ptr_next(cpu_mask, i); 206 set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
208 set_cpus_allowed_ptr(current, cpu_mask);
209 do_drv_write(cmd); 207 do_drv_write(cmd);
210 } 208 }
211 209
@@ -269,12 +267,11 @@ static unsigned int get_measured_perf(unsigned int cpu)
269 } aperf_cur, mperf_cur; 267 } aperf_cur, mperf_cur;
270 268
271 cpumask_t saved_mask; 269 cpumask_t saved_mask;
272 cpumask_of_cpu_ptr(cpu_mask, cpu);
273 unsigned int perf_percent; 270 unsigned int perf_percent;
274 unsigned int retval; 271 unsigned int retval;
275 272
276 saved_mask = current->cpus_allowed; 273 saved_mask = current->cpus_allowed;
277 set_cpus_allowed_ptr(current, cpu_mask); 274 set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
278 if (get_cpu() != cpu) { 275 if (get_cpu() != cpu) {
279 /* We were not able to run on requested processor */ 276 /* We were not able to run on requested processor */
280 put_cpu(); 277 put_cpu();
@@ -340,7 +337,6 @@ static unsigned int get_measured_perf(unsigned int cpu)
340 337
341static unsigned int get_cur_freq_on_cpu(unsigned int cpu) 338static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
342{ 339{
343 cpumask_of_cpu_ptr(cpu_mask, cpu);
344 struct acpi_cpufreq_data *data = per_cpu(drv_data, cpu); 340 struct acpi_cpufreq_data *data = per_cpu(drv_data, cpu);
345 unsigned int freq; 341 unsigned int freq;
346 unsigned int cached_freq; 342 unsigned int cached_freq;
@@ -353,7 +349,7 @@ static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
353 } 349 }
354 350
355 cached_freq = data->freq_table[data->acpi_data->state].frequency; 351 cached_freq = data->freq_table[data->acpi_data->state].frequency;
356 freq = extract_freq(get_cur_val(cpu_mask), data); 352 freq = extract_freq(get_cur_val(&cpumask_of_cpu(cpu)), data);
357 if (freq != cached_freq) { 353 if (freq != cached_freq) {
358 /* 354 /*
359 * The dreaded BIOS frequency change behind our back. 355 * The dreaded BIOS frequency change behind our back.
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 53c7b6936973..c45ca6d4dce1 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -479,12 +479,11 @@ static int core_voltage_post_transition(struct powernow_k8_data *data, u32 reqvi
479static int check_supported_cpu(unsigned int cpu) 479static int check_supported_cpu(unsigned int cpu)
480{ 480{
481 cpumask_t oldmask; 481 cpumask_t oldmask;
482 cpumask_of_cpu_ptr(cpu_mask, cpu);
483 u32 eax, ebx, ecx, edx; 482 u32 eax, ebx, ecx, edx;
484 unsigned int rc = 0; 483 unsigned int rc = 0;
485 484
486 oldmask = current->cpus_allowed; 485 oldmask = current->cpus_allowed;
487 set_cpus_allowed_ptr(current, cpu_mask); 486 set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
488 487
489 if (smp_processor_id() != cpu) { 488 if (smp_processor_id() != cpu) {
490 printk(KERN_ERR PFX "limiting to cpu %u failed\n", cpu); 489 printk(KERN_ERR PFX "limiting to cpu %u failed\n", cpu);
@@ -1017,7 +1016,6 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i
1017static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation) 1016static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation)
1018{ 1017{
1019 cpumask_t oldmask; 1018 cpumask_t oldmask;
1020 cpumask_of_cpu_ptr(cpu_mask, pol->cpu);
1021 struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu); 1019 struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
1022 u32 checkfid; 1020 u32 checkfid;
1023 u32 checkvid; 1021 u32 checkvid;
@@ -1032,7 +1030,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
1032 1030
1033 /* only run on specific CPU from here on */ 1031 /* only run on specific CPU from here on */
1034 oldmask = current->cpus_allowed; 1032 oldmask = current->cpus_allowed;
1035 set_cpus_allowed_ptr(current, cpu_mask); 1033 set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu));
1036 1034
1037 if (smp_processor_id() != pol->cpu) { 1035 if (smp_processor_id() != pol->cpu) {
1038 printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu); 1036 printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
@@ -1107,7 +1105,6 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
1107{ 1105{
1108 struct powernow_k8_data *data; 1106 struct powernow_k8_data *data;
1109 cpumask_t oldmask; 1107 cpumask_t oldmask;
1110 cpumask_of_cpu_ptr_declare(newmask);
1111 int rc; 1108 int rc;
1112 1109
1113 if (!cpu_online(pol->cpu)) 1110 if (!cpu_online(pol->cpu))
@@ -1159,8 +1156,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
1159 1156
1160 /* only run on specific CPU from here on */ 1157 /* only run on specific CPU from here on */
1161 oldmask = current->cpus_allowed; 1158 oldmask = current->cpus_allowed;
1162 cpumask_of_cpu_ptr_next(newmask, pol->cpu); 1159 set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu));
1163 set_cpus_allowed_ptr(current, newmask);
1164 1160
1165 if (smp_processor_id() != pol->cpu) { 1161 if (smp_processor_id() != pol->cpu) {
1166 printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu); 1162 printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
@@ -1182,7 +1178,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
1182 set_cpus_allowed_ptr(current, &oldmask); 1178 set_cpus_allowed_ptr(current, &oldmask);
1183 1179
1184 if (cpu_family == CPU_HW_PSTATE) 1180 if (cpu_family == CPU_HW_PSTATE)
1185 pol->cpus = *newmask; 1181 pol->cpus = cpumask_of_cpu(pol->cpu);
1186 else 1182 else
1187 pol->cpus = per_cpu(cpu_core_map, pol->cpu); 1183 pol->cpus = per_cpu(cpu_core_map, pol->cpu);
1188 data->available_cores = &(pol->cpus); 1184 data->available_cores = &(pol->cpus);
@@ -1248,7 +1244,6 @@ static unsigned int powernowk8_get (unsigned int cpu)
1248{ 1244{
1249 struct powernow_k8_data *data; 1245 struct powernow_k8_data *data;
1250 cpumask_t oldmask = current->cpus_allowed; 1246 cpumask_t oldmask = current->cpus_allowed;
1251 cpumask_of_cpu_ptr(newmask, cpu);
1252 unsigned int khz = 0; 1247 unsigned int khz = 0;
1253 unsigned int first; 1248 unsigned int first;
1254 1249
@@ -1258,7 +1253,7 @@ static unsigned int powernowk8_get (unsigned int cpu)
1258 if (!data) 1253 if (!data)
1259 return -EINVAL; 1254 return -EINVAL;
1260 1255
1261 set_cpus_allowed_ptr(current, newmask); 1256 set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
1262 if (smp_processor_id() != cpu) { 1257 if (smp_processor_id() != cpu) {
1263 printk(KERN_ERR PFX 1258 printk(KERN_ERR PFX
1264 "limiting to CPU %d failed in powernowk8_get\n", cpu); 1259 "limiting to CPU %d failed in powernowk8_get\n", cpu);
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index ca2ac13b7af2..15e13c01cc36 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -324,10 +324,9 @@ static unsigned int get_cur_freq(unsigned int cpu)
324 unsigned l, h; 324 unsigned l, h;
325 unsigned clock_freq; 325 unsigned clock_freq;
326 cpumask_t saved_mask; 326 cpumask_t saved_mask;
327 cpumask_of_cpu_ptr(new_mask, cpu);
328 327
329 saved_mask = current->cpus_allowed; 328 saved_mask = current->cpus_allowed;
330 set_cpus_allowed_ptr(current, new_mask); 329 set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
331 if (smp_processor_id() != cpu) 330 if (smp_processor_id() != cpu)
332 return 0; 331 return 0;
333 332
@@ -585,15 +584,12 @@ static int centrino_target (struct cpufreq_policy *policy,
585 * Best effort undo.. 584 * Best effort undo..
586 */ 585 */
587 586
588 if (!cpus_empty(*covered_cpus)) { 587 if (!cpus_empty(*covered_cpus))
589 cpumask_of_cpu_ptr_declare(new_mask);
590
591 for_each_cpu_mask_nr(j, *covered_cpus) { 588 for_each_cpu_mask_nr(j, *covered_cpus) {
592 cpumask_of_cpu_ptr_next(new_mask, j); 589 set_cpus_allowed_ptr(current,
593 set_cpus_allowed_ptr(current, new_mask); 590 &cpumask_of_cpu(j));
594 wrmsr(MSR_IA32_PERF_CTL, oldmsr, h); 591 wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
595 } 592 }
596 }
597 593
598 tmp = freqs.new; 594 tmp = freqs.new;
599 freqs.new = freqs.old; 595 freqs.new = freqs.old;
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 2f3728dc24f6..191f7263c61d 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
@@ -244,8 +244,7 @@ static unsigned int _speedstep_get(const cpumask_t *cpus)
244 244
245static unsigned int speedstep_get(unsigned int cpu) 245static unsigned int speedstep_get(unsigned int cpu)
246{ 246{
247 cpumask_of_cpu_ptr(newmask, cpu); 247 return _speedstep_get(&cpumask_of_cpu(cpu));
248 return _speedstep_get(newmask);
249} 248}
250 249
251/** 250/**
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 650d40f7912b..6b0a10b002f1 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -516,7 +516,6 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu)
516 unsigned long j; 516 unsigned long j;
517 int retval; 517 int retval;
518 cpumask_t oldmask; 518 cpumask_t oldmask;
519 cpumask_of_cpu_ptr(newmask, cpu);
520 519
521 if (num_cache_leaves == 0) 520 if (num_cache_leaves == 0)
522 return -ENOENT; 521 return -ENOENT;
@@ -527,7 +526,7 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu)
527 return -ENOMEM; 526 return -ENOMEM;
528 527
529 oldmask = current->cpus_allowed; 528 oldmask = current->cpus_allowed;
530 retval = set_cpus_allowed_ptr(current, newmask); 529 retval = set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
531 if (retval) 530 if (retval)
532 goto out; 531 goto out;
533 532
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index 3fee2aa50f3f..b68e21f06f4f 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -62,12 +62,10 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload)
62 62
63 if (reload) { 63 if (reload) {
64#ifdef CONFIG_SMP 64#ifdef CONFIG_SMP
65 cpumask_of_cpu_ptr_declare(mask);
66
67 preempt_disable(); 65 preempt_disable();
68 load_LDT(pc); 66 load_LDT(pc);
69 cpumask_of_cpu_ptr_next(mask, smp_processor_id()); 67 if (!cpus_equal(current->mm->cpu_vm_mask,
70 if (!cpus_equal(current->mm->cpu_vm_mask, *mask)) 68 cpumask_of_cpu(smp_processor_id())))
71 smp_call_function(flush_ldt, current->mm, 1); 69 smp_call_function(flush_ldt, current->mm, 1);
72 preempt_enable(); 70 preempt_enable();
73#else 71#else
diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 6994c751590e..652fa5c38ebe 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -388,7 +388,6 @@ static int do_microcode_update (void)
388 void *new_mc = NULL; 388 void *new_mc = NULL;
389 int cpu; 389 int cpu;
390 cpumask_t old; 390 cpumask_t old;
391 cpumask_of_cpu_ptr_declare(newmask);
392 391
393 old = current->cpus_allowed; 392 old = current->cpus_allowed;
394 393
@@ -405,8 +404,7 @@ static int do_microcode_update (void)
405 404
406 if (!uci->valid) 405 if (!uci->valid)
407 continue; 406 continue;
408 cpumask_of_cpu_ptr_next(newmask, cpu); 407 set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
409 set_cpus_allowed_ptr(current, newmask);
410 error = get_maching_microcode(new_mc, cpu); 408 error = get_maching_microcode(new_mc, cpu);
411 if (error < 0) 409 if (error < 0)
412 goto out; 410 goto out;
@@ -576,7 +574,6 @@ static int apply_microcode_check_cpu(int cpu)
576 struct cpuinfo_x86 *c = &cpu_data(cpu); 574 struct cpuinfo_x86 *c = &cpu_data(cpu);
577 struct ucode_cpu_info *uci = ucode_cpu_info + cpu; 575 struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
578 cpumask_t old; 576 cpumask_t old;
579 cpumask_of_cpu_ptr(newmask, cpu);
580 unsigned int val[2]; 577 unsigned int val[2];
581 int err = 0; 578 int err = 0;
582 579
@@ -585,7 +582,7 @@ static int apply_microcode_check_cpu(int cpu)
585 return 0; 582 return 0;
586 583
587 old = current->cpus_allowed; 584 old = current->cpus_allowed;
588 set_cpus_allowed_ptr(current, newmask); 585 set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
589 586
590 /* Check if the microcode we have in memory matches the CPU */ 587 /* Check if the microcode we have in memory matches the CPU */
591 if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 || 588 if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 ||
@@ -623,12 +620,11 @@ static int apply_microcode_check_cpu(int cpu)
623static void microcode_init_cpu(int cpu, int resume) 620static void microcode_init_cpu(int cpu, int resume)
624{ 621{
625 cpumask_t old; 622 cpumask_t old;
626 cpumask_of_cpu_ptr(newmask, cpu);
627 struct ucode_cpu_info *uci = ucode_cpu_info + cpu; 623 struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
628 624
629 old = current->cpus_allowed; 625 old = current->cpus_allowed;
630 626
631 set_cpus_allowed_ptr(current, newmask); 627 set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
632 mutex_lock(&microcode_mutex); 628 mutex_lock(&microcode_mutex);
633 collect_cpu_info(cpu); 629 collect_cpu_info(cpu);
634 if (uci->valid && system_state == SYSTEM_RUNNING && !resume) 630 if (uci->valid && system_state == SYSTEM_RUNNING && !resume)
@@ -661,13 +657,10 @@ static ssize_t reload_store(struct sys_device *dev,
661 if (end == buf) 657 if (end == buf)
662 return -EINVAL; 658 return -EINVAL;
663 if (val == 1) { 659 if (val == 1) {
664 cpumask_t old; 660 cpumask_t old = current->cpus_allowed;
665 cpumask_of_cpu_ptr(newmask, cpu);
666
667 old = current->cpus_allowed;
668 661
669 get_online_cpus(); 662 get_online_cpus();
670 set_cpus_allowed_ptr(current, newmask); 663 set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
671 664
672 mutex_lock(&microcode_mutex); 665 mutex_lock(&microcode_mutex);
673 if (uci->valid) 666 if (uci->valid)
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 06a9f643817e..724adfc63cb9 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -414,25 +414,20 @@ void native_machine_shutdown(void)
414 414
415 /* The boot cpu is always logical cpu 0 */ 415 /* The boot cpu is always logical cpu 0 */
416 int reboot_cpu_id = 0; 416 int reboot_cpu_id = 0;
417 cpumask_of_cpu_ptr(newmask, reboot_cpu_id);
418 417
419#ifdef CONFIG_X86_32 418#ifdef CONFIG_X86_32
420 /* See if there has been given a command line override */ 419 /* See if there has been given a command line override */
421 if ((reboot_cpu != -1) && (reboot_cpu < NR_CPUS) && 420 if ((reboot_cpu != -1) && (reboot_cpu < NR_CPUS) &&
422 cpu_online(reboot_cpu)) { 421 cpu_online(reboot_cpu))
423 reboot_cpu_id = reboot_cpu; 422 reboot_cpu_id = reboot_cpu;
424 cpumask_of_cpu_ptr_next(newmask, reboot_cpu_id);
425 }
426#endif 423#endif
427 424
428 /* Make certain the cpu I'm about to reboot on is online */ 425 /* Make certain the cpu I'm about to reboot on is online */
429 if (!cpu_online(reboot_cpu_id)) { 426 if (!cpu_online(reboot_cpu_id))
430 reboot_cpu_id = smp_processor_id(); 427 reboot_cpu_id = smp_processor_id();
431 cpumask_of_cpu_ptr_next(newmask, reboot_cpu_id);
432 }
433 428
434 /* Make certain I only run on the appropriate processor */ 429 /* Make certain I only run on the appropriate processor */
435 set_cpus_allowed_ptr(current, newmask); 430 set_cpus_allowed_ptr(current, &cpumask_of_cpu(reboot_cpu_id));
436 431
437 /* O.K Now that I'm on the appropriate processor, 432 /* O.K Now that I'm on the appropriate processor,
438 * stop all of the others. 433 * stop all of the others.
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index a2c3f9cfa549..a56fc6c4394b 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -827,7 +827,6 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
827static int acpi_processor_get_throttling(struct acpi_processor *pr) 827static int acpi_processor_get_throttling(struct acpi_processor *pr)
828{ 828{
829 cpumask_t saved_mask; 829 cpumask_t saved_mask;
830 cpumask_of_cpu_ptr_declare(new_mask);
831 int ret; 830 int ret;
832 831
833 if (!pr) 832 if (!pr)
@@ -839,8 +838,7 @@ static int acpi_processor_get_throttling(struct acpi_processor *pr)
839 * Migrate task to the cpu pointed by pr. 838 * Migrate task to the cpu pointed by pr.
840 */ 839 */
841 saved_mask = current->cpus_allowed; 840 saved_mask = current->cpus_allowed;
842 cpumask_of_cpu_ptr_next(new_mask, pr->id); 841 set_cpus_allowed_ptr(current, &cpumask_of_cpu(pr->id));
843 set_cpus_allowed_ptr(current, new_mask);
844 ret = pr->throttling.acpi_processor_get_throttling(pr); 842 ret = pr->throttling.acpi_processor_get_throttling(pr);
845 /* restore the previous state */ 843 /* restore the previous state */
846 set_cpus_allowed_ptr(current, &saved_mask); 844 set_cpus_allowed_ptr(current, &saved_mask);
@@ -989,7 +987,6 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr,
989int acpi_processor_set_throttling(struct acpi_processor *pr, int state) 987int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
990{ 988{
991 cpumask_t saved_mask; 989 cpumask_t saved_mask;
992 cpumask_of_cpu_ptr_declare(new_mask);
993 int ret = 0; 990 int ret = 0;
994 unsigned int i; 991 unsigned int i;
995 struct acpi_processor *match_pr; 992 struct acpi_processor *match_pr;
@@ -1028,8 +1025,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
1028 * it can be called only for the cpu pointed by pr. 1025 * it can be called only for the cpu pointed by pr.
1029 */ 1026 */
1030 if (p_throttling->shared_type == DOMAIN_COORD_TYPE_SW_ANY) { 1027 if (p_throttling->shared_type == DOMAIN_COORD_TYPE_SW_ANY) {
1031 cpumask_of_cpu_ptr_next(new_mask, pr->id); 1028 set_cpus_allowed_ptr(current, &cpumask_of_cpu(pr->id));
1032 set_cpus_allowed_ptr(current, new_mask);
1033 ret = p_throttling->acpi_processor_set_throttling(pr, 1029 ret = p_throttling->acpi_processor_set_throttling(pr,
1034 t_state.target_state); 1030 t_state.target_state);
1035 } else { 1031 } else {
@@ -1060,8 +1056,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
1060 continue; 1056 continue;
1061 } 1057 }
1062 t_state.cpu = i; 1058 t_state.cpu = i;
1063 cpumask_of_cpu_ptr_next(new_mask, i); 1059 set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
1064 set_cpus_allowed_ptr(current, new_mask);
1065 ret = match_pr->throttling. 1060 ret = match_pr->throttling.
1066 acpi_processor_set_throttling( 1061 acpi_processor_set_throttling(
1067 match_pr, t_state.target_state); 1062 match_pr, t_state.target_state);
diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index c66817e7717b..50a071f1c945 100644
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -245,7 +245,6 @@ static ssize_t host_control_on_shutdown_store(struct device *dev,
245static int smi_request(struct smi_cmd *smi_cmd) 245static int smi_request(struct smi_cmd *smi_cmd)
246{ 246{
247 cpumask_t old_mask; 247 cpumask_t old_mask;
248 cpumask_of_cpu_ptr(new_mask, 0);
249 int ret = 0; 248 int ret = 0;
250 249
251 if (smi_cmd->magic != SMI_CMD_MAGIC) { 250 if (smi_cmd->magic != SMI_CMD_MAGIC) {
@@ -256,7 +255,7 @@ static int smi_request(struct smi_cmd *smi_cmd)
256 255
257 /* SMI requires CPU 0 */ 256 /* SMI requires CPU 0 */
258 old_mask = current->cpus_allowed; 257 old_mask = current->cpus_allowed;
259 set_cpus_allowed_ptr(current, new_mask); 258 set_cpus_allowed_ptr(current, &cpumask_of_cpu(0));
260 if (smp_processor_id() != 0) { 259 if (smp_processor_id() != 0) {
261 dev_dbg(&dcdbas_pdev->dev, "%s: failed to get CPU 0\n", 260 dev_dbg(&dcdbas_pdev->dev, "%s: failed to get CPU 0\n",
262 __func__); 261 __func__);
diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
index 579b01ff82d4..c3b4227f48a5 100644
--- a/drivers/misc/sgi-xp/xpc_main.c
+++ b/drivers/misc/sgi-xp/xpc_main.c
@@ -229,11 +229,10 @@ xpc_hb_checker(void *ignore)
229 int last_IRQ_count = 0; 229 int last_IRQ_count = 0;
230 int new_IRQ_count; 230 int new_IRQ_count;
231 int force_IRQ = 0; 231 int force_IRQ = 0;
232 cpumask_of_cpu_ptr(cpumask, XPC_HB_CHECK_CPU);
233 232
234 /* this thread was marked active by xpc_hb_init() */ 233 /* this thread was marked active by xpc_hb_init() */
235 234
236 set_cpus_allowed_ptr(current, cpumask); 235 set_cpus_allowed_ptr(current, &cpumask_of_cpu(XPC_HB_CHECK_CPU));
237 236
238 /* set our heartbeating to other partitions into motion */ 237 /* set our heartbeating to other partitions into motion */
239 xpc_hb_check_timeout = jiffies + (xpc_hb_check_interval * HZ); 238 xpc_hb_check_timeout = jiffies + (xpc_hb_check_interval * HZ);
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 738b411ff2d3..ba9b2054ecbd 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -33,9 +33,8 @@ static int stopmachine(void *cpu)
33{ 33{
34 int irqs_disabled = 0; 34 int irqs_disabled = 0;
35 int prepared = 0; 35 int prepared = 0;
36 cpumask_of_cpu_ptr(cpumask, (int)(long)cpu);
37 36
38 set_cpus_allowed_ptr(current, cpumask); 37 set_cpus_allowed_ptr(current, &cpumask_of_cpu((int)(long)cpu));
39 38
40 /* Ack: we are alive */ 39 /* Ack: we are alive */
41 smp_mb(); /* Theoretically the ack = 0 might not be on this CPU yet. */ 40 smp_mb(); /* Theoretically the ack = 0 might not be on this CPU yet. */
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index bf43284d6855..80c4336f4188 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -196,12 +196,10 @@ static int tick_check_new_device(struct clock_event_device *newdev)
196 struct tick_device *td; 196 struct tick_device *td;
197 int cpu, ret = NOTIFY_OK; 197 int cpu, ret = NOTIFY_OK;
198 unsigned long flags; 198 unsigned long flags;
199 cpumask_of_cpu_ptr_declare(cpumask);
200 199
201 spin_lock_irqsave(&tick_device_lock, flags); 200 spin_lock_irqsave(&tick_device_lock, flags);
202 201
203 cpu = smp_processor_id(); 202 cpu = smp_processor_id();
204 cpumask_of_cpu_ptr_next(cpumask, cpu);
205 if (!cpu_isset(cpu, newdev->cpumask)) 203 if (!cpu_isset(cpu, newdev->cpumask))
206 goto out_bc; 204 goto out_bc;
207 205
@@ -209,7 +207,7 @@ static int tick_check_new_device(struct clock_event_device *newdev)
209 curdev = td->evtdev; 207 curdev = td->evtdev;
210 208
211 /* cpu local device ? */ 209 /* cpu local device ? */
212 if (!cpus_equal(newdev->cpumask, *cpumask)) { 210 if (!cpus_equal(newdev->cpumask, cpumask_of_cpu(cpu))) {
213 211
214 /* 212 /*
215 * If the cpu affinity of the device interrupt can not 213 * If the cpu affinity of the device interrupt can not
@@ -222,7 +220,7 @@ static int tick_check_new_device(struct clock_event_device *newdev)
222 * If we have a cpu local device already, do not replace it 220 * If we have a cpu local device already, do not replace it
223 * by a non cpu local device 221 * by a non cpu local device
224 */ 222 */
225 if (curdev && cpus_equal(curdev->cpumask, *cpumask)) 223 if (curdev && cpus_equal(curdev->cpumask, cpumask_of_cpu(cpu)))
226 goto out_bc; 224 goto out_bc;
227 } 225 }
228 226
@@ -254,7 +252,7 @@ static int tick_check_new_device(struct clock_event_device *newdev)
254 curdev = NULL; 252 curdev = NULL;
255 } 253 }
256 clockevents_exchange_device(curdev, newdev); 254 clockevents_exchange_device(curdev, newdev);
257 tick_setup_device(td, newdev, cpu, cpumask); 255 tick_setup_device(td, newdev, cpu, &cpumask_of_cpu(cpu));
258 if (newdev->features & CLOCK_EVT_FEAT_ONESHOT) 256 if (newdev->features & CLOCK_EVT_FEAT_ONESHOT)
259 tick_oneshot_notify(); 257 tick_oneshot_notify();
260 258
diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c
index ce2d723c10e1..bb948e52ce20 100644
--- a/kernel/trace/trace_sysprof.c
+++ b/kernel/trace/trace_sysprof.c
@@ -213,9 +213,7 @@ static void start_stack_timers(void)
213 int cpu; 213 int cpu;
214 214
215 for_each_online_cpu(cpu) { 215 for_each_online_cpu(cpu) {
216 cpumask_of_cpu_ptr(new_mask, cpu); 216 set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
217
218 set_cpus_allowed_ptr(current, new_mask);
219 start_stack_timer(cpu); 217 start_stack_timer(cpu);
220 } 218 }
221 set_cpus_allowed_ptr(current, &saved_mask); 219 set_cpus_allowed_ptr(current, &saved_mask);
diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c
index c4381d9516f6..0f8fc22ed103 100644
--- a/lib/smp_processor_id.c
+++ b/lib/smp_processor_id.c
@@ -11,7 +11,6 @@ notrace unsigned int debug_smp_processor_id(void)
11{ 11{
12 unsigned long preempt_count = preempt_count(); 12 unsigned long preempt_count = preempt_count();
13 int this_cpu = raw_smp_processor_id(); 13 int this_cpu = raw_smp_processor_id();
14 cpumask_of_cpu_ptr_declare(this_mask);
15 14
16 if (likely(preempt_count)) 15 if (likely(preempt_count))
17 goto out; 16 goto out;
@@ -23,9 +22,7 @@ notrace unsigned int debug_smp_processor_id(void)
23 * Kernel threads bound to a single CPU can safely use 22 * Kernel threads bound to a single CPU can safely use
24 * smp_processor_id(): 23 * smp_processor_id():
25 */ 24 */
26 cpumask_of_cpu_ptr_next(this_mask, this_cpu); 25 if (cpus_equal(current->cpus_allowed, cpumask_of_cpu(this_cpu)))
27
28 if (cpus_equal(current->cpus_allowed, *this_mask))
29 goto out; 26 goto out;
30 27
31 /* 28 /*
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 835d27413083..5a32cb7c4bb4 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -310,8 +310,7 @@ svc_pool_map_set_cpumask(struct task_struct *task, unsigned int pidx)
310 switch (m->mode) { 310 switch (m->mode) {
311 case SVC_POOL_PERCPU: 311 case SVC_POOL_PERCPU:
312 { 312 {
313 cpumask_of_cpu_ptr(cpumask, node); 313 set_cpus_allowed_ptr(task, &cpumask_of_cpu(node));
314 set_cpus_allowed_ptr(task, cpumask);
315 break; 314 break;
316 } 315 }
317 case SVC_POOL_PERNODE: 316 case SVC_POOL_PERNODE: