13 files changed, 167 insertions, 56 deletions

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 63a17b55b39..7a0f4aa4fa1 100644
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -20,7 +20,7 @@
  *
  *
  * ACPI based HotPlug driver that supports Memory Hotplug
- * This driver fields notifications from firmare for memory add
+ * This driver fields notifications from firmware for memory add
  * and remove operations and alerts the VM of the affected memory
  * ranges.
  */
diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h
index c57286a3ace..9c127e8e2d6 100644
--- a/drivers/acpi/acpica/acmacros.h
+++ b/drivers/acpi/acpica/acmacros.h
@@ -283,8 +283,8 @@
 #define ACPI_INSERT_BITS(target, mask, source)          target = ((target & (~(mask))) | (source & mask))
 
 /*
- * An struct acpi_namespace_node can appear in some contexts
- * where a pointer to an union acpi_operand_object can also
+ * A struct acpi_namespace_node can appear in some contexts
+ * where a pointer to a union acpi_operand_object can also
  * appear. This macro is used to distinguish them.
  *
  * The "Descriptor" field is the first field in both structures.
diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 33c66eb3ae3..a226f74d4a5 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -405,7 +405,7 @@ acpi_ex_prep_common_field_object(union acpi_operand_object *obj_desc,
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Construct an union acpi_operand_object of type def_field and
+ * DESCRIPTION: Construct a union acpi_operand_object of type def_field and
  *              connect it to the parent Node.
  *
  ******************************************************************************/
diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c
index 3673d2b2c4a..f6105a6d612 100644
--- a/drivers/acpi/acpica/exresolv.c
+++ b/drivers/acpi/acpica/exresolv.c
@@ -147,7 +147,7 @@ acpi_ex_resolve_object_to_value(union acpi_operand_object **stack_ptr,
 
         stack_desc = *stack_ptr;
 
-        /* This is an union acpi_operand_object    */
+        /* This is a union acpi_operand_object    */
 
         switch (ACPI_GET_OBJECT_TYPE(stack_desc)) {
         case ACPI_TYPE_LOCAL_REFERENCE:
diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c
index 7c6d7e53e41..e35e9b4f6a4 100644
--- a/drivers/acpi/acpica/exstore.c
+++ b/drivers/acpi/acpica/exstore.c
@@ -275,7 +275,7 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc,
  *
  * PARAMETERS:  *source_desc        - Value to be stored
  *              *dest_desc          - Where to store it.  Must be an NS node
- *                                    or an union acpi_operand_object of type
+ *                                    or a union acpi_operand_object of type
  *                                    Reference;
  *              walk_state          - Current walk state
  *
diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c
index 9eb3a2a6840..61566b1a061 100644
--- a/drivers/acpi/acpica/rscreate.c
+++ b/drivers/acpi/acpica/rscreate.c
@@ -125,7 +125,7 @@ acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
  *
  * FUNCTION:    acpi_rs_create_pci_routing_table
  *
- * PARAMETERS:  package_object          - Pointer to an union acpi_operand_object
+ * PARAMETERS:  package_object          - Pointer to a union acpi_operand_object
  *                                        package
  *              output_buffer           - Pointer to the user's buffer
  *
diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c
index 4279ed3a878..fd5ea7543e5 100644
--- a/drivers/acpi/acpica/utobject.c
+++ b/drivers/acpi/acpica/utobject.c
@@ -298,7 +298,7 @@ union acpi_operand_object *acpi_ut_create_string_object(acpi_size string_size)
  *
  * RETURN:      TRUE if object is valid, FALSE otherwise
  *
- * DESCRIPTION: Validate a pointer to be an union acpi_operand_object
+ * DESCRIPTION: Validate a pointer to be a union acpi_operand_object
  *
  ******************************************************************************/
 
@@ -390,7 +390,7 @@ void acpi_ut_delete_object_desc(union acpi_operand_object *object)
 {
         ACPI_FUNCTION_TRACE_PTR(ut_delete_object_desc, object);
 
-        /* Object must be an union acpi_operand_object    */
+        /* Object must be a union acpi_operand_object    */
 
         if (ACPI_GET_DESCRIPTOR_TYPE(object) != ACPI_DESC_TYPE_OPERAND) {
                 ACPI_ERROR((AE_INFO,
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 11acaee14d6..bf79d83bdfb 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -384,6 +384,27 @@ acpi_pci_free_irq(struct acpi_prt_entry *entry,
         return irq;
 }
 
+#ifdef CONFIG_X86_IO_APIC
+extern int noioapicquirk;
+
+static int bridge_has_boot_interrupt_variant(struct pci_bus *bus)
+{
+        struct pci_bus *bus_it;
+
+        for (bus_it = bus ; bus_it ; bus_it = bus_it->parent) {
+                if (!bus_it->self)
+                        return 0;
+
+                printk(KERN_INFO "vendor=%04x device=%04x\n", bus_it->self->vendor,
+                                bus_it->self->device);
+
+                if (bus_it->self->irq_reroute_variant)
+                        return bus_it->self->irq_reroute_variant;
+        }
+        return 0;
+}
+#endif /* CONFIG_X86_IO_APIC */
+
 /*
  * acpi_pci_irq_lookup
  * success: return IRQ >= 0
@@ -413,6 +434,41 @@ acpi_pci_irq_lookup(struct pci_bus *bus,
         }
 
         ret = func(entry, triggering, polarity, link);
+
+#ifdef CONFIG_X86_IO_APIC
+        /*
+         * Some chipsets (e.g. intel 6700PXH) generate a legacy INTx when the
+         * IRQ entry in the chipset's IO-APIC is masked (as, e.g. the RT kernel
+         * does during interrupt handling). When this INTx generation cannot be
+         * disabled, we reroute these interrupts to their legacy equivalent to
+         * get rid of spurious interrupts.
+         */
+        if (!noioapicquirk) {
+                switch (bridge_has_boot_interrupt_variant(bus)) {
+                case 0:
+                        /* no rerouting necessary */
+                        break;
+
+                case INTEL_IRQ_REROUTE_VARIANT:
+                        /*
+                         * Remap according to INTx routing table in 6700PXH
+                         * specs, intel order number 302628-002, section
+                         * 2.15.2. Other chipsets (80332, ...) have the same
+                         * mapping and are handled here as well.
+                         */
+                        printk(KERN_INFO "pci irq %d -> rerouted to legacy "
+                                         "irq %d\n", ret, (ret % 4) + 16);
+                        ret = (ret % 4) + 16;
+                        break;
+
+                default:
+                        printk(KERN_INFO "not rerouting irq %d to legacy irq: "
+                                         "unknown mapping\n", ret);
+                        break;
+                }
+        }
+#endif /* CONFIG_X86_IO_APIC */
+
         return ret;
 }
 
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index 642554b1b60..5b38a026d12 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -31,6 +31,7 @@
 #include <linux/spinlock.h>
 #include <linux/pm.h>
 #include <linux/pci.h>
+#include <linux/pci-acpi.h>
 #include <linux/acpi.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
@@ -193,6 +194,7 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
         unsigned long long value = 0;
         acpi_handle handle = NULL;
         struct acpi_device *child;
+        u32 flags, base_flags;
 
 
         if (!device)
@@ -210,6 +212,13 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 
         device->ops.bind = acpi_pci_bind;
 
+        /*
+         * All supported architectures that use ACPI have support for
+         * PCI domains, so we indicate this in _OSC support capabilities.
+         */
+        flags = base_flags = OSC_PCI_SEGMENT_GROUPS_SUPPORT;
+        pci_acpi_osc_support(device->handle, flags);
+
         /* 
          * Segment
          * -------
@@ -335,6 +344,17 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
         list_for_each_entry(child, &device->children, node)
                 acpi_pci_bridge_scan(child);
 
+        /* Indicate support for various _OSC capabilities. */
+        if (pci_ext_cfg_avail(root->bus->self))
+                flags |= OSC_EXT_PCI_CONFIG_SUPPORT;
+        if (pcie_aspm_enabled())
+                flags |= OSC_ACTIVE_STATE_PWR_SUPPORT |
+                        OSC_CLOCK_PWR_CAPABILITY_SUPPORT;
+        if (pci_msi_enabled())
+                flags |= OSC_MSI_SUPPORT;
+        if (flags != base_flags)
+                pci_acpi_osc_support(device->handle, flags);
+
       end:
         if (result) {
                 if (!list_empty(&root->node))
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 34948362f41..0cc2fd31e37 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -826,6 +826,11 @@ static int acpi_processor_add(struct acpi_device *device)
         if (!pr)
                 return -ENOMEM;
 
+        if (!alloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
+                kfree(pr);
+                return -ENOMEM;
+        }
+
         pr->handle = device->handle;
         strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME);
         strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
@@ -845,10 +850,8 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
 
         pr = acpi_driver_data(device);
 
-        if (pr->id >= nr_cpu_ids) {
-                kfree(pr);
-                return 0;
-        }
+        if (pr->id >= nr_cpu_ids)
+                goto free;
 
         if (type == ACPI_BUS_REMOVAL_EJECT) {
                 if (acpi_processor_handle_eject(pr))
@@ -873,6 +876,9 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
 
         per_cpu(processors, pr->id) = NULL;
         per_cpu(processor_device_array, pr->id) = NULL;
+
+free:
+        free_cpumask_var(pr->throttling.shared_cpu_map);
         kfree(pr);
 
         return 0;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 5f8d746a9b8..66a9d814556 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -41,6 +41,7 @@
 #include <linux/pm_qos_params.h>
 #include <linux/clockchips.h>
 #include <linux/cpuidle.h>
+#include <linux/irqflags.h>
 
 /*
  * Include the apic definitions for x86 to have the APIC timer related defines
@@ -374,15 +375,15 @@ static int tsc_halts_in_c(int state)
 {
         switch (boot_cpu_data.x86_vendor) {
         case X86_VENDOR_AMD:
+        case X86_VENDOR_INTEL:
                 /*
                  * AMD Fam10h TSC will tick in all
                  * C/P/S0/S1 states when this bit is set.
                  */
-                if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
+                if (boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
                         return 0;
+
                 /*FALL THROUGH*/
-        case X86_VENDOR_INTEL:
-                /* Several cases known where TSC halts in C2 too */
         default:
                 return state > ACPI_STATE_C1;
         }
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index 0d7b772bef5..846e227592d 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -588,12 +588,15 @@ int acpi_processor_preregister_performance(
         int count, count_target;
         int retval = 0;
         unsigned int i, j;
-        cpumask_t covered_cpus;
+        cpumask_var_t covered_cpus;
         struct acpi_processor *pr;
         struct acpi_psd_package *pdomain;
         struct acpi_processor *match_pr;
         struct acpi_psd_package *match_pdomain;
 
+        if (!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))
+                return -ENOMEM;
+
         mutex_lock(&performance_mutex);
 
         retval = 0;
@@ -617,7 +620,7 @@ int acpi_processor_preregister_performance(
                 }
 
                 pr->performance = percpu_ptr(performance, i);
-                cpu_set(i, pr->performance->shared_cpu_map);
+                cpumask_set_cpu(i, pr->performance->shared_cpu_map);
                 if (acpi_processor_get_psd(pr)) {
                         retval = -EINVAL;
                         continue;
@@ -650,18 +653,18 @@ int acpi_processor_preregister_performance(
                 }
         }
 
-        cpus_clear(covered_cpus);
+        cpumask_clear(covered_cpus);
         for_each_possible_cpu(i) {
                 pr = per_cpu(processors, i);
                 if (!pr)
                         continue;
 
-                if (cpu_isset(i, covered_cpus))
+                if (cpumask_test_cpu(i, covered_cpus))
                         continue;
 
                 pdomain = &(pr->performance->domain_info);
-                cpu_set(i, pr->performance->shared_cpu_map);
-                cpu_set(i, covered_cpus);
+                cpumask_set_cpu(i, pr->performance->shared_cpu_map);
+                cpumask_set_cpu(i, covered_cpus);
                 if (pdomain->num_processors <= 1)
                         continue;
 
@@ -699,8 +702,8 @@ int acpi_processor_preregister_performance(
                                 goto err_ret;
                         }
 
-                        cpu_set(j, covered_cpus);
-                        cpu_set(j, pr->performance->shared_cpu_map);
+                        cpumask_set_cpu(j, covered_cpus);
+                        cpumask_set_cpu(j, pr->performance->shared_cpu_map);
                         count++;
                 }
 
@@ -718,8 +721,8 @@ int acpi_processor_preregister_performance(
 
                         match_pr->performance->shared_type = 
                                         pr->performance->shared_type;
-                        match_pr->performance->shared_cpu_map =
-                                pr->performance->shared_cpu_map;
+                        cpumask_copy(match_pr->performance->shared_cpu_map,
+                                     pr->performance->shared_cpu_map);
                 }
         }
 
@@ -731,14 +734,15 @@ err_ret:
 
                 /* Assume no coordination on any error parsing domain info */
                 if (retval) {
-                        cpus_clear(pr->performance->shared_cpu_map);
-                        cpu_set(i, pr->performance->shared_cpu_map);
+                        cpumask_clear(pr->performance->shared_cpu_map);
+                        cpumask_set_cpu(i, pr->performance->shared_cpu_map);
                         pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL;
                 }
                 pr->performance = NULL; /* Will be set for real in register */
         }
 
         mutex_unlock(&performance_mutex);
+        free_cpumask_var(covered_cpus);
         return retval;
 }
 EXPORT_SYMBOL(acpi_processor_preregister_performance);
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index a0c38c94a8a..d27838171f4 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -61,11 +61,14 @@ static int acpi_processor_update_tsd_coord(void)
         int count, count_target;
         int retval = 0;
         unsigned int i, j;
-        cpumask_t covered_cpus;
+        cpumask_var_t covered_cpus;
         struct acpi_processor *pr, *match_pr;
         struct acpi_tsd_package *pdomain, *match_pdomain;
         struct acpi_processor_throttling *pthrottling, *match_pthrottling;
 
+        if (!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))
+                return -ENOMEM;
+
         /*
          * Now that we have _TSD data from all CPUs, lets setup T-state
          * coordination between all CPUs.
@@ -91,19 +94,19 @@ static int acpi_processor_update_tsd_coord(void)
         if (retval)
                 goto err_ret;
 
-        cpus_clear(covered_cpus);
+        cpumask_clear(covered_cpus);
         for_each_possible_cpu(i) {
                 pr = per_cpu(processors, i);
                 if (!pr)
                         continue;
 
-                if (cpu_isset(i, covered_cpus))
+                if (cpumask_test_cpu(i, covered_cpus))
                         continue;
                 pthrottling = &pr->throttling;
 
                 pdomain = &(pthrottling->domain_info);
-                cpu_set(i, pthrottling->shared_cpu_map);
-                cpu_set(i, covered_cpus);
+                cpumask_set_cpu(i, pthrottling->shared_cpu_map);
+                cpumask_set_cpu(i, covered_cpus);
                 /*
                  * If the number of processor in the TSD domain is 1, it is
                  * unnecessary to parse the coordination for this CPU.
@@ -144,8 +147,8 @@ static int acpi_processor_update_tsd_coord(void)
                                 goto err_ret;
                         }
 
-                        cpu_set(j, covered_cpus);
-                        cpu_set(j, pthrottling->shared_cpu_map);
+                        cpumask_set_cpu(j, covered_cpus);
+                        cpumask_set_cpu(j, pthrottling->shared_cpu_map);
                         count++;
                 }
                 for_each_possible_cpu(j) {
@@ -165,12 +168,14 @@ static int acpi_processor_update_tsd_coord(void)
                          * If some CPUS have the same domain, they
                          * will have the same shared_cpu_map.
                          */
-                        match_pthrottling->shared_cpu_map =
-                                pthrottling->shared_cpu_map;
+                        cpumask_copy(match_pthrottling->shared_cpu_map,
+                                     pthrottling->shared_cpu_map);
                 }
         }
 
 err_ret:
+        free_cpumask_var(covered_cpus);
+
         for_each_possible_cpu(i) {
                 pr = per_cpu(processors, i);
                 if (!pr)
@@ -182,8 +187,8 @@ err_ret:
                  */
                 if (retval) {
                         pthrottling = &(pr->throttling);
-                        cpus_clear(pthrottling->shared_cpu_map);
-                        cpu_set(i, pthrottling->shared_cpu_map);
+                        cpumask_clear(pthrottling->shared_cpu_map);
+                        cpumask_set_cpu(i, pthrottling->shared_cpu_map);
                         pthrottling->shared_type = DOMAIN_COORD_TYPE_SW_ALL;
                 }
         }
@@ -567,7 +572,7 @@ static int acpi_processor_get_tsd(struct acpi_processor *pr)
         pthrottling = &pr->throttling;
         pthrottling->tsd_valid_flag = 1;
         pthrottling->shared_type = pdomain->coord_type;
-        cpu_set(pr->id, pthrottling->shared_cpu_map);
+        cpumask_set_cpu(pr->id, pthrottling->shared_cpu_map);
         /*
          * If the coordination type is not defined in ACPI spec,
          * the tsd_valid_flag will be clear and coordination type
@@ -826,7 +831,7 @@ 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_var_t saved_mask;
         int ret;
 
         if (!pr)
@@ -834,14 +839,20 @@ static int acpi_processor_get_throttling(struct acpi_processor *pr)
 
         if (!pr->flags.throttling)
                 return -ENODEV;
+
+        if (!alloc_cpumask_var(&saved_mask, GFP_KERNEL))
+                return -ENOMEM;
+
         /*
          * Migrate task to the cpu pointed by pr.
          */
-        saved_mask = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(pr->id));
+        cpumask_copy(saved_mask, &current->cpus_allowed);
+        /* FIXME: use work_on_cpu() */
+        set_cpus_allowed_ptr(current, cpumask_of(pr->id));
         ret = pr->throttling.acpi_processor_get_throttling(pr);
         /* restore the previous state */
-        set_cpus_allowed_ptr(current, &saved_mask);
+        set_cpus_allowed_ptr(current, saved_mask);
+        free_cpumask_var(saved_mask);
 
         return ret;
 }
@@ -986,13 +997,13 @@ 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_var_t saved_mask;
         int ret = 0;
         unsigned int i;
         struct acpi_processor *match_pr;
         struct acpi_processor_throttling *p_throttling;
         struct throttling_tstate t_state;
-        cpumask_t online_throttling_cpus;
+        cpumask_var_t online_throttling_cpus;
 
         if (!pr)
                 return -EINVAL;
@@ -1003,17 +1014,25 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
         if ((state < 0) || (state > (pr->throttling.state_count - 1)))
                 return -EINVAL;
 
-        saved_mask = current->cpus_allowed;
+        if (!alloc_cpumask_var(&saved_mask, GFP_KERNEL))
+                return -ENOMEM;
+
+        if (!alloc_cpumask_var(&online_throttling_cpus, GFP_KERNEL)) {
+                free_cpumask_var(saved_mask);
+                return -ENOMEM;
+        }
+
+        cpumask_copy(saved_mask, &current->cpus_allowed);
         t_state.target_state = state;
         p_throttling = &(pr->throttling);
-        cpus_and(online_throttling_cpus, cpu_online_map,
-                        p_throttling->shared_cpu_map);
+        cpumask_and(online_throttling_cpus, cpu_online_mask,
+                    p_throttling->shared_cpu_map);
         /*
          * The throttling notifier will be called for every
          * affected cpu in order to get one proper T-state.
          * The notifier event is THROTTLING_PRECHANGE.
          */
-        for_each_cpu_mask_nr(i, online_throttling_cpus) {
+        for_each_cpu(i, online_throttling_cpus) {
                 t_state.cpu = i;
                 acpi_processor_throttling_notifier(THROTTLING_PRECHANGE,
                                                         &t_state);
@@ -1025,7 +1044,8 @@ 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));
+                /* FIXME: use work_on_cpu() */
+                set_cpus_allowed_ptr(current, cpumask_of(pr->id));
                 ret = p_throttling->acpi_processor_set_throttling(pr,
                                                 t_state.target_state);
         } else {
@@ -1034,7 +1054,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
                  * it is necessary to set T-state for every affected
                  * cpus.
                  */
-                for_each_cpu_mask_nr(i, online_throttling_cpus) {
+                for_each_cpu(i, online_throttling_cpus) {
                         match_pr = per_cpu(processors, i);
                         /*
                          * If the pointer is invalid, we will report the
@@ -1056,7 +1076,8 @@ 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));
+                        /* FIXME: use work_on_cpu() */
+                        set_cpus_allowed_ptr(current, cpumask_of(i));
                         ret = match_pr->throttling.
                                 acpi_processor_set_throttling(
                                 match_pr, t_state.target_state);
@@ -1068,13 +1089,16 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state)
          * affected cpu to update the T-states.
          * The notifier event is THROTTLING_POSTCHANGE
          */
-        for_each_cpu_mask_nr(i, online_throttling_cpus) {
+        for_each_cpu(i, online_throttling_cpus) {
                 t_state.cpu = i;
                 acpi_processor_throttling_notifier(THROTTLING_POSTCHANGE,
                                                         &t_state);
         }
         /* restore the previous state */
-        set_cpus_allowed_ptr(current, &saved_mask);
+        /* FIXME: use work_on_cpu() */
+        set_cpus_allowed_ptr(current, saved_mask);
+        free_cpumask_var(online_throttling_cpus);
+        free_cpumask_var(saved_mask);
         return ret;
 }
 
@@ -1120,7 +1144,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
         if (acpi_processor_get_tsd(pr)) {
                 pthrottling = &pr->throttling;
                 pthrottling->tsd_valid_flag = 0;
-                cpu_set(pr->id, pthrottling->shared_cpu_map);
+                cpumask_set_cpu(pr->id, pthrottling->shared_cpu_map);
                 pthrottling->shared_type = DOMAIN_COORD_TYPE_SW_ALL;
         }