14 files changed, 91 insertions, 35 deletions

diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index c2502eb9aa83..9220cf46aa10 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -73,6 +73,7 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
         struct cpuinfo_x86 *c = &cpu_data(cpu);
 
         cpumask_t saved_mask;
+        cpumask_of_cpu_ptr(new_mask, cpu);
         int retval;
         unsigned int eax, ebx, ecx, edx;
         unsigned int edx_part;
@@ -91,7 +92,7 @@ int acpi_processor_ffh_cstate_probe(unsigned int cpu,
 
         /* Make sure we are running on right CPU */
         saved_mask = current->cpus_allowed;
-        retval = set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+        retval = set_cpus_allowed_ptr(current, new_mask);
         if (retval)
                 return -1;
 
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index dd097b835839..ff2fff56f0a8 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -200,10 +200,12 @@ static void drv_read(struct drv_cmd *cmd)
 static void drv_write(struct drv_cmd *cmd)
 {
         cpumask_t saved_mask = current->cpus_allowed;
+        cpumask_of_cpu_ptr_declare(cpu_mask);
         unsigned int i;
 
         for_each_cpu_mask_nr(i, cmd->mask) {
-                set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
+                cpumask_of_cpu_ptr_next(cpu_mask, i);
+                set_cpus_allowed_ptr(current, cpu_mask);
                 do_drv_write(cmd);
         }
 
@@ -267,11 +269,12 @@ static unsigned int get_measured_perf(unsigned int cpu)
         } aperf_cur, mperf_cur;
 
         cpumask_t saved_mask;
+        cpumask_of_cpu_ptr(cpu_mask, cpu);
         unsigned int perf_percent;
         unsigned int retval;
 
         saved_mask = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+        set_cpus_allowed_ptr(current, cpu_mask);
         if (get_cpu() != cpu) {
                 /* We were not able to run on requested processor */
                 put_cpu();
@@ -337,6 +340,7 @@ static unsigned int get_measured_perf(unsigned int cpu)
 
 static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
 {
+        cpumask_of_cpu_ptr(cpu_mask, cpu);
         struct acpi_cpufreq_data *data = per_cpu(drv_data, cpu);
         unsigned int freq;
         unsigned int cached_freq;
@@ -349,7 +353,7 @@ static unsigned int get_cur_freq_on_cpu(unsigned int cpu)
         }
 
         cached_freq = data->freq_table[data->acpi_data->state].frequency;
-        freq = extract_freq(get_cur_val(&cpumask_of_cpu(cpu)), data);
+        freq = extract_freq(get_cur_val(cpu_mask), data);
         if (freq != cached_freq) {
                 /*
                  * 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 c45ca6d4dce1..53c7b6936973 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -479,11 +479,12 @@ static int core_voltage_post_transition(struct powernow_k8_data *data, u32 reqvi
 static int check_supported_cpu(unsigned int cpu)
 {
         cpumask_t oldmask;
+        cpumask_of_cpu_ptr(cpu_mask, cpu);
         u32 eax, ebx, ecx, edx;
         unsigned int rc = 0;
 
         oldmask = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+        set_cpus_allowed_ptr(current, cpu_mask);
 
         if (smp_processor_id() != cpu) {
                 printk(KERN_ERR PFX "limiting to cpu %u failed\n", cpu);
@@ -1016,6 +1017,7 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i
 static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsigned relation)
 {
         cpumask_t oldmask;
+        cpumask_of_cpu_ptr(cpu_mask, pol->cpu);
         struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
         u32 checkfid;
         u32 checkvid;
@@ -1030,7 +1032,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
 
         /* only run on specific CPU from here on */
         oldmask = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu));
+        set_cpus_allowed_ptr(current, cpu_mask);
 
         if (smp_processor_id() != pol->cpu) {
                 printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
@@ -1105,6 +1107,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
 {
         struct powernow_k8_data *data;
         cpumask_t oldmask;
+        cpumask_of_cpu_ptr_declare(newmask);
         int rc;
 
         if (!cpu_online(pol->cpu))
@@ -1156,7 +1159,8 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
 
         /* only run on specific CPU from here on */
         oldmask = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu));
+        cpumask_of_cpu_ptr_next(newmask, pol->cpu);
+        set_cpus_allowed_ptr(current, newmask);
 
         if (smp_processor_id() != pol->cpu) {
                 printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
@@ -1178,7 +1182,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
         set_cpus_allowed_ptr(current, &oldmask);
 
         if (cpu_family == CPU_HW_PSTATE)
-                pol->cpus = cpumask_of_cpu(pol->cpu);
+                pol->cpus = *newmask;
         else
                 pol->cpus = per_cpu(cpu_core_map, pol->cpu);
         data->available_cores = &(pol->cpus);
@@ -1244,6 +1248,7 @@ static unsigned int powernowk8_get (unsigned int cpu)
 {
         struct powernow_k8_data *data;
         cpumask_t oldmask = current->cpus_allowed;
+        cpumask_of_cpu_ptr(newmask, cpu);
         unsigned int khz = 0;
         unsigned int first;
 
@@ -1253,7 +1258,7 @@ static unsigned int powernowk8_get (unsigned int cpu)
         if (!data)
                 return -EINVAL;
 
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+        set_cpus_allowed_ptr(current, newmask);
         if (smp_processor_id() != cpu) {
                 printk(KERN_ERR PFX
                         "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 8b0dd6f2a1ac..fd561bb26c60 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -313,9 +313,10 @@ static unsigned int get_cur_freq(unsigned int cpu)
         unsigned l, h;
         unsigned clock_freq;
         cpumask_t saved_mask;
+        cpumask_of_cpu_ptr(new_mask, cpu);
 
         saved_mask = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+        set_cpus_allowed_ptr(current, new_mask);
         if (smp_processor_id() != cpu)
                 return 0;
 
@@ -554,9 +555,11 @@ static int centrino_target (struct cpufreq_policy *policy,
                  */
 
                 if (!cpus_empty(covered_cpus)) {
+                        cpumask_of_cpu_ptr_declare(new_mask);
+
                         for_each_cpu_mask_nr(j, covered_cpus) {
-                                set_cpus_allowed_ptr(current,
-                                                     &cpumask_of_cpu(j));
+                                cpumask_of_cpu_ptr_next(new_mask, j);
+                                set_cpus_allowed_ptr(current, new_mask);
                                 wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
                         }
                 }
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 191f7263c61d..2f3728dc24f6 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
@@ -244,7 +244,8 @@ static unsigned int _speedstep_get(const cpumask_t *cpus)
 
 static unsigned int speedstep_get(unsigned int cpu)
 {
-        return _speedstep_get(&cpumask_of_cpu(cpu));
+        cpumask_of_cpu_ptr(newmask, cpu);
+        return _speedstep_get(newmask);
 }
 
 /**
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index a7b0f8f1736b..e4b8d189d7ed 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -516,6 +516,7 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu)
         unsigned long           j;
         int                     retval;
         cpumask_t               oldmask;
+        cpumask_of_cpu_ptr(newmask, cpu);
 
         if (num_cache_leaves == 0)
                 return -ENOENT;
@@ -526,7 +527,7 @@ static int __cpuinit detect_cache_attributes(unsigned int cpu)
                 return -ENOMEM;
 
         oldmask = current->cpus_allowed;
-        retval = set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+        retval = set_cpus_allowed_ptr(current, newmask);
         if (retval)
                 goto out;
 
diff --git a/arch/x86/kernel/microcode.c b/arch/x86/kernel/microcode.c
index 56b933119a04..58520169e35d 100644
--- a/arch/x86/kernel/microcode.c
+++ b/arch/x86/kernel/microcode.c
@@ -388,6 +388,7 @@ static int do_microcode_update (void)
         void *new_mc = NULL;
         int cpu;
         cpumask_t old;
+        cpumask_of_cpu_ptr_declare(newmask);
 
         old = current->cpus_allowed;
 
@@ -404,7 +405,8 @@ static int do_microcode_update (void)
 
                         if (!uci->valid)
                                 continue;
-                        set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+                        cpumask_of_cpu_ptr_next(newmask, cpu);
+                        set_cpus_allowed_ptr(current, newmask);
                         error = get_maching_microcode(new_mc, cpu);
                         if (error < 0)
                                 goto out;
@@ -574,6 +576,7 @@ static int apply_microcode_check_cpu(int cpu)
         struct cpuinfo_x86 *c = &cpu_data(cpu);
         struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
         cpumask_t old;
+        cpumask_of_cpu_ptr(newmask, cpu);
         unsigned int val[2];
         int err = 0;
 
@@ -582,7 +585,7 @@ static int apply_microcode_check_cpu(int cpu)
                 return 0;
 
         old = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+        set_cpus_allowed_ptr(current, newmask);
 
         /* Check if the microcode we have in memory matches the CPU */
         if (c->x86_vendor != X86_VENDOR_INTEL || c->x86 < 6 ||
@@ -620,11 +623,12 @@ static int apply_microcode_check_cpu(int cpu)
 static void microcode_init_cpu(int cpu, int resume)
 {
         cpumask_t old;
+        cpumask_of_cpu_ptr(newmask, cpu);
         struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
 
         old = current->cpus_allowed;
 
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+        set_cpus_allowed_ptr(current, newmask);
         mutex_lock(&microcode_mutex);
         collect_cpu_info(cpu);
         if (uci->valid && system_state == SYSTEM_RUNNING && !resume)
@@ -656,11 +660,12 @@ static ssize_t reload_store(struct sys_device *dev, const char *buf, size_t sz)
                 return -EINVAL;
         if (val == 1) {
                 cpumask_t old;
+                cpumask_of_cpu_ptr(newmask, cpu);
 
                 old = current->cpus_allowed;
 
                 get_online_cpus();
-                set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+                set_cpus_allowed_ptr(current, newmask);
 
                 mutex_lock(&microcode_mutex);
                 if (uci->valid)
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index f8a62160e151..214bbdfc851e 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -403,24 +403,28 @@ void native_machine_shutdown(void)
 {
         /* Stop the cpus and apics */
 #ifdef CONFIG_SMP
-        int reboot_cpu_id;
 
         /* The boot cpu is always logical cpu 0 */
-        reboot_cpu_id = 0;
+        int reboot_cpu_id = 0;
+        cpumask_of_cpu_ptr(newmask, reboot_cpu_id);
 
 #ifdef CONFIG_X86_32
         /* See if there has been given a command line override */
         if ((reboot_cpu != -1) && (reboot_cpu < NR_CPUS) &&
-                cpu_online(reboot_cpu))
+                cpu_online(reboot_cpu)) {
                 reboot_cpu_id = reboot_cpu;
+                cpumask_of_cpu_ptr_next(newmask, reboot_cpu_id);
+        }
 #endif
 
         /* Make certain the cpu I'm about to reboot on is online */
-        if (!cpu_online(reboot_cpu_id))
+        if (!cpu_online(reboot_cpu_id)) {
                 reboot_cpu_id = smp_processor_id();
+                cpumask_of_cpu_ptr_next(newmask, reboot_cpu_id);
+        }
 
         /* Make certain I only run on the appropriate processor */
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(reboot_cpu_id));
+        set_cpus_allowed_ptr(current, newmask);
 
         /* O.K Now that I'm on the appropriate processor,
          * stop all of the others.
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index a56fc6c4394b..a2c3f9cfa549 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -827,6 +827,7 @@ static int acpi_processor_get_throttling_ptc(struct acpi_processor *pr)
 static int acpi_processor_get_throttling(struct acpi_processor *pr)
 {
         cpumask_t saved_mask;
+        cpumask_of_cpu_ptr_declare(new_mask);
         int ret;
 
         if (!pr)
@@ -838,7 +839,8 @@ static int acpi_processor_get_throttling(struct acpi_processor *pr)
          * Migrate task to the cpu pointed by pr.
          */
         saved_mask = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(pr->id));
+        cpumask_of_cpu_ptr_next(new_mask, pr->id);
+        set_cpus_allowed_ptr(current, new_mask);
         ret = pr->throttling.acpi_processor_get_throttling(pr);
         /* restore the previous state */
         set_cpus_allowed_ptr(current, &saved_mask);
@@ -987,6 +989,7 @@ static int acpi_processor_set_throttling_ptc(struct acpi_processor *pr,
 int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
 {
         cpumask_t saved_mask;
+        cpumask_of_cpu_ptr_declare(new_mask);
         int ret = 0;
         unsigned int i;
         struct acpi_processor *match_pr;
@@ -1025,7 +1028,8 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
          * it can be called only for the cpu pointed by pr.
          */
         if (p_throttling->shared_type == DOMAIN_COORD_TYPE_SW_ANY) {
-                set_cpus_allowed_ptr(current, &cpumask_of_cpu(pr->id));
+                cpumask_of_cpu_ptr_next(new_mask, pr->id);
+                set_cpus_allowed_ptr(current, new_mask);
                 ret = p_throttling->acpi_processor_set_throttling(pr,
                                                 t_state.target_state);
         } else {
@@ -1056,7 +1060,8 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
                                 continue;
                         }
                         t_state.cpu = i;
-                        set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
+                        cpumask_of_cpu_ptr_next(new_mask, i);
+                        set_cpus_allowed_ptr(current, new_mask);
                         ret = match_pr->throttling.
                                 acpi_processor_set_throttling(
                                 match_pr, t_state.target_state);
diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index 25918f7dfd0f..0b624e927a6f 100644
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -254,6 +254,7 @@ static ssize_t host_control_on_shutdown_store(struct device *dev,
 static int smi_request(struct smi_cmd *smi_cmd)
 {
         cpumask_t old_mask;
+        cpumask_of_cpu_ptr(new_mask, 0);
         int ret = 0;
 
         if (smi_cmd->magic != SMI_CMD_MAGIC) {
@@ -264,7 +265,7 @@ static int smi_request(struct smi_cmd *smi_cmd)
 
         /* SMI requires CPU 0 */
         old_mask = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(0));
+        set_cpus_allowed_ptr(current, new_mask);
         if (smp_processor_id() != 0) {
                 dev_dbg(&dcdbas_pdev->dev, "%s: failed to get CPU 0\n",
                         __func__);
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 80226e776143..2dbd9a287e77 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -62,6 +62,15 @@
  * 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
+ *ifdef CONFIG_HAS_CPUMASK_OF_CPU
+ * cpumask_of_cpu_ptr_declare(v)        Declares cpumask_t *v
+ * cpumask_of_cpu_ptr_next(v, cpu)      Sets v = &cpumask_of_cpu_map[cpu]
+ * cpumask_of_cpu_ptr(v, cpu)           Combines above two operations
+ *else
+ * cpumask_of_cpu_ptr_declare(v)        Declares cpumask_t _v and *v = &_v
+ * cpumask_of_cpu_ptr_next(v, cpu)      Sets _v = cpumask_of_cpu(cpu)
+ * cpumask_of_cpu_ptr(v, cpu)           Combines above two operations
+ *endif
  * 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
@@ -236,11 +245,16 @@ static inline void __cpus_shift_left(cpumask_t *dstp,
 
 #ifdef CONFIG_HAVE_CPUMASK_OF_CPU_MAP
 extern cpumask_t *cpumask_of_cpu_map;
-#define cpumask_of_cpu(cpu)    (cpumask_of_cpu_map[cpu])
-
+#define cpumask_of_cpu(cpu)     (cpumask_of_cpu_map[cpu])
+#define cpumask_of_cpu_ptr(v, cpu)                                      \
+                const cpumask_t *v = &cpumask_of_cpu(cpu)
+#define cpumask_of_cpu_ptr_declare(v)                                   \
+                const cpumask_t *v
+#define cpumask_of_cpu_ptr_next(v, cpu)                                 \
+                                        v = &cpumask_of_cpu(cpu)
 #else
 #define cpumask_of_cpu(cpu)                                             \
-(*({                                                                    \
+({                                                                      \
         typeof(_unused_cpumask_arg_) m;                                 \
         if (sizeof(m) == sizeof(unsigned long)) {                       \
                 m.bits[0] = 1UL<<(cpu);                                 \
@@ -248,8 +262,16 @@ extern cpumask_t *cpumask_of_cpu_map;
                 cpus_clear(m);                                          \
                 cpu_set((cpu), m);                                      \
         }                                                               \
-        &m;                                                             \
-}))
+        m;                                                              \
+})
+#define cpumask_of_cpu_ptr(v, cpu)                                      \
+                cpumask_t _##v = cpumask_of_cpu(cpu);                   \
+                const cpumask_t *v = &_##v
+#define cpumask_of_cpu_ptr_declare(v)                                   \
+                cpumask_t _##v;                                         \
+                const cpumask_t *v = &_##v
+#define cpumask_of_cpu_ptr_next(v, cpu)                                 \
+                                        _##v = cpumask_of_cpu(cpu)
 #endif
 
 #define CPU_MASK_LAST_WORD BITMAP_LAST_WORD_MASK(NR_CPUS)
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index ba9b2054ecbd..738b411ff2d3 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -33,8 +33,9 @@ static int stopmachine(void *cpu)
 {
         int irqs_disabled = 0;
         int prepared = 0;
+        cpumask_of_cpu_ptr(cpumask, (int)(long)cpu);
 
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu((int)(long)cpu));
+        set_cpus_allowed_ptr(current, cpumask);
 
         /* Ack: we are alive */
         smp_mb(); /* Theoretically the ack = 0 might not be on this CPU yet. */
diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c
index 2301e1e7c606..63528086337c 100644
--- a/kernel/trace/trace_sysprof.c
+++ b/kernel/trace/trace_sysprof.c
@@ -213,7 +213,9 @@ static void start_stack_timers(void)
         int cpu;
 
         for_each_online_cpu(cpu) {
-                set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+                cpumask_of_cpu_ptr(new_mask, cpu);
+
+                set_cpus_allowed_ptr(current, new_mask);
                 start_stack_timer(cpu);
         }
         set_cpus_allowed_ptr(current, &saved_mask);
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index d43cf8ddff67..083d12688134 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -314,9 +314,10 @@ svc_pool_map_set_cpumask(unsigned int pidx, cpumask_t *oldmask)
         case SVC_POOL_PERCPU:
         {
                 unsigned int cpu = m->pool_to[pidx];
+                cpumask_of_cpu_ptr(cpumask, cpu);
 
                 *oldmask = current->cpus_allowed;
-                set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu));
+                set_cpus_allowed_ptr(current, cpumask);
                 return 1;
         }
         case SVC_POOL_PERNODE: