18 files changed, 170 insertions, 139 deletions

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index 81a07ca65d44..cae9cabc3031 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -24,8 +24,6 @@
 extern void vide(void);
 __asm__(".align 4\nvide: ret");
 
-int force_mwait __cpuinitdata;
-
 static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
 {
         if (cpuid_eax(0x80000000) >= 0x80000007) {
diff --git a/arch/x86/kernel/cpu/amd_64.c b/arch/x86/kernel/cpu/amd_64.c
index 7c36fb8a28d4..d1692b2a41ff 100644
--- a/arch/x86/kernel/cpu/amd_64.c
+++ b/arch/x86/kernel/cpu/amd_64.c
@@ -115,6 +115,8 @@ static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
         /* c->x86_power is 8000_0007 edx. Bit 8 is constant TSC */
         if (c->x86_power & (1<<8))
                 set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
+
+        set_cpu_cap(c, X86_FEATURE_SYSCALL32);
 }
 
 static void __cpuinit init_amd(struct cpuinfo_x86 *c)
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 1b1c56bb338f..c9b58a806e85 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -131,13 +131,7 @@ static void __init check_popad(void)
  *   (for due to lack of "invlpg" and working WP on a i386)
  * - In order to run on anything without a TSC, we need to be
  *   compiled for a i486.
- * - In order to support the local APIC on a buggy Pentium machine,
- *   we need to be compiled with CONFIG_X86_GOOD_APIC disabled,
- *   which happens implicitly if compiled for a Pentium or lower
- *   (unless an advanced selection of CPU features is used) as an
- *   otherwise config implies a properly working local APIC without
- *   the need to do extra reads from the APIC.
-*/
+ */
 
 static void __init check_config(void)
 {
@@ -151,21 +145,6 @@ static void __init check_config(void)
         if (boot_cpu_data.x86 == 3)
                 panic("Kernel requires i486+ for 'invlpg' and other features");
 #endif
-
-/*
- * If we were told we had a good local APIC, check for buggy Pentia,
- * i.e. all B steppings and the C2 stepping of P54C when using their
- * integrated APIC (see 11AP erratum in "Pentium Processor
- * Specification Update").
- */
-#if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86_GOOD_APIC)
-        if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL
-            && cpu_has_apic
-            && boot_cpu_data.x86 == 5
-            && boot_cpu_data.x86_model == 2
-            && (boot_cpu_data.x86_mask < 6 || boot_cpu_data.x86_mask == 11))
-                panic("Kernel compiled for PMMX+, assumes a local APIC without the read-before-write bug!");
-#endif
 }
 
 
diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c
index 7b8cc72feb40..dd6e3f15017e 100644
--- a/arch/x86/kernel/cpu/common_64.c
+++ b/arch/x86/kernel/cpu/common_64.c
@@ -7,15 +7,13 @@
 #include <linux/module.h>
 #include <linux/kgdb.h>
 #include <linux/topology.h>
-#include <linux/string.h>
 #include <linux/delay.h>
 #include <linux/smp.h>
-#include <linux/module.h>
 #include <linux/percpu.h>
-#include <asm/processor.h>
 #include <asm/i387.h>
 #include <asm/msr.h>
 #include <asm/io.h>
+#include <asm/linkage.h>
 #include <asm/mmu_context.h>
 #include <asm/mtrr.h>
 #include <asm/mce.h>
@@ -305,7 +303,6 @@ static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c)
                         c->x86_capability[2] = cpuid_edx(0x80860001);
         }
 
-        c->extended_cpuid_level = cpuid_eax(0x80000000);
         if (c->extended_cpuid_level >= 0x80000007)
                 c->x86_power = cpuid_edx(0x80000007);
 
@@ -316,18 +313,11 @@ static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c)
                 c->x86_phys_bits = eax & 0xff;
         }
 
-        /* Assume all 64-bit CPUs support 32-bit syscall */
-        set_cpu_cap(c, X86_FEATURE_SYSCALL32);
-
         if (c->x86_vendor != X86_VENDOR_UNKNOWN &&
             cpu_devs[c->x86_vendor]->c_early_init)
                 cpu_devs[c->x86_vendor]->c_early_init(c);
 
         validate_pat_support(c);
-
-        /* early_param could clear that, but recall get it set again */
-        if (disable_apic)
-                clear_cpu_cap(c, X86_FEATURE_APIC);
 }
 
 /*
@@ -517,8 +507,7 @@ void pda_init(int cpu)
 }
 
 char boot_exception_stacks[(N_EXCEPTION_STACKS - 1) * EXCEPTION_STKSZ +
-                           DEBUG_STKSZ]
-__attribute__((section(".bss.page_aligned")));
+                           DEBUG_STKSZ] __page_aligned_bss;
 
 extern asmlinkage void ignore_sysret(void);
 
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index b0c8208df9fa..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(i, cmd->mask) {
-                set_cpus_allowed_ptr(current, &cpumask_of_cpu(i));
+        for_each_cpu_mask_nr(i, cmd->mask) {
+                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.
@@ -451,7 +455,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
 
         freqs.old = perf->states[perf->state].core_frequency * 1000;
         freqs.new = data->freq_table[next_state].frequency;
-        for_each_cpu_mask(i, cmd.mask) {
+        for_each_cpu_mask_nr(i, cmd.mask) {
                 freqs.cpu = i;
                 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
         }
@@ -466,7 +470,7 @@ static int acpi_cpufreq_target(struct cpufreq_policy *policy,
                 }
         }
 
-        for_each_cpu_mask(i, cmd.mask) {
+        for_each_cpu_mask_nr(i, cmd.mask) {
                 freqs.cpu = i;
                 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
         }
diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
index 199e4e05e5dc..f1685fb91fbd 100644
--- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
+++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
@@ -122,7 +122,7 @@ static int cpufreq_p4_target(struct cpufreq_policy *policy,
                 return 0;
 
         /* notifiers */
-        for_each_cpu_mask(i, policy->cpus) {
+        for_each_cpu_mask_nr(i, policy->cpus) {
                 freqs.cpu = i;
                 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
         }
@@ -130,11 +130,11 @@ static int cpufreq_p4_target(struct cpufreq_policy *policy,
         /* run on each logical CPU, see section 13.15.3 of IA32 Intel Architecture Software
          * Developer's Manual, Volume 3
          */
-        for_each_cpu_mask(i, policy->cpus)
+        for_each_cpu_mask_nr(i, policy->cpus)
                 cpufreq_p4_setdc(i, p4clockmod_table[newstate].index);
 
         /* notifiers */
-        for_each_cpu_mask(i, policy->cpus) {
+        for_each_cpu_mask_nr(i, policy->cpus) {
                 freqs.cpu = i;
                 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
         }
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k7.h b/arch/x86/kernel/cpu/cpufreq/powernow-k7.h
index f8a63b3664e3..35fb4eaf6e1c 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k7.h
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k7.h
@@ -1,5 +1,4 @@
 /*
- *  $Id: powernow-k7.h,v 1.2 2003/02/10 18:26:01 davej Exp $
  *  (C) 2003 Dave Jones.
  *
  *  Licensed under the terms of the GNU GPL License version 2.
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 206791eb46e3..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);
@@ -966,7 +967,7 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data, unsigned i
         freqs.old = find_khz_freq_from_fid(data->currfid);
         freqs.new = find_khz_freq_from_fid(fid);
 
-        for_each_cpu_mask(i, *(data->available_cores)) {
+        for_each_cpu_mask_nr(i, *(data->available_cores)) {
                 freqs.cpu = i;
                 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
         }
@@ -974,7 +975,7 @@ static int transition_frequency_fidvid(struct powernow_k8_data *data, unsigned i
         res = transition_fid_vid(data, fid, vid);
         freqs.new = find_khz_freq_from_fid(data->currfid);
 
-        for_each_cpu_mask(i, *(data->available_cores)) {
+        for_each_cpu_mask_nr(i, *(data->available_cores)) {
                 freqs.cpu = i;
                 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
         }
@@ -997,7 +998,7 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i
         freqs.old = find_khz_freq_from_pstate(data->powernow_table, data->currpstate);
         freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate);
 
-        for_each_cpu_mask(i, *(data->available_cores)) {
+        for_each_cpu_mask_nr(i, *(data->available_cores)) {
                 freqs.cpu = i;
                 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
         }
@@ -1005,7 +1006,7 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, unsigned i
         res = transition_pstate(data, pstate);
         freqs.new = find_khz_freq_from_pstate(data->powernow_table, pstate);
 
-        for_each_cpu_mask(i, *(data->available_cores)) {
+        for_each_cpu_mask_nr(i, *(data->available_cores)) {
                 freqs.cpu = i;
                 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
         }
@@ -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 908dd347c67e..ca2ac13b7af2 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -28,7 +28,8 @@
 #define PFX             "speedstep-centrino: "
 #define MAINTAINER      "cpufreq@lists.linux.org.uk"
 
-#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "speedstep-centrino", msg)
+#define dprintk(msg...) \
+        cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "speedstep-centrino", msg)
 
 #define INTEL_MSR_RANGE (0xffff)
 
@@ -66,11 +67,12 @@ struct cpu_model
 
         struct cpufreq_frequency_table *op_points; /* clock/voltage pairs */
 };
-static int centrino_verify_cpu_id(const struct cpuinfo_x86 *c, const struct cpu_id *x);
+static int centrino_verify_cpu_id(const struct cpuinfo_x86 *c,
+                                  const struct cpu_id *x);
 
 /* Operating points for current CPU */
-static struct cpu_model *centrino_model[NR_CPUS];
-static const struct cpu_id *centrino_cpu[NR_CPUS];
+static DEFINE_PER_CPU(struct cpu_model *, centrino_model);
+static DEFINE_PER_CPU(const struct cpu_id *, centrino_cpu);
 
 static struct cpufreq_driver centrino_driver;
 
@@ -255,7 +257,7 @@ static int centrino_cpu_init_table(struct cpufreq_policy *policy)
                 return -ENOENT;
         }
 
-        centrino_model[policy->cpu] = model;
+        per_cpu(centrino_model, policy->cpu) = model;
 
         dprintk("found \"%s\": max frequency: %dkHz\n",
                model->model_name, model->max_freq);
@@ -264,10 +266,14 @@ static int centrino_cpu_init_table(struct cpufreq_policy *policy)
 }
 
 #else
-static inline int centrino_cpu_init_table(struct cpufreq_policy *policy) { return -ENODEV; }
+static inline int centrino_cpu_init_table(struct cpufreq_policy *policy)
+{
+        return -ENODEV;
+}
 #endif /* CONFIG_X86_SPEEDSTEP_CENTRINO_TABLE */
 
-static int centrino_verify_cpu_id(const struct cpuinfo_x86 *c, const struct cpu_id *x)
+static int centrino_verify_cpu_id(const struct cpuinfo_x86 *c,
+                                  const struct cpu_id *x)
 {
         if ((c->x86 == x->x86) &&
             (c->x86_model == x->x86_model) &&
@@ -286,23 +292,28 @@ static unsigned extract_clock(unsigned msr, unsigned int cpu, int failsafe)
          * for centrino, as some DSDTs are buggy.
          * Ideally, this can be done using the acpi_data structure.
          */
-        if ((centrino_cpu[cpu] == &cpu_ids[CPU_BANIAS]) ||
-            (centrino_cpu[cpu] == &cpu_ids[CPU_DOTHAN_A1]) ||
-            (centrino_cpu[cpu] == &cpu_ids[CPU_DOTHAN_B0])) {
+        if ((per_cpu(centrino_cpu, cpu) == &cpu_ids[CPU_BANIAS]) ||
+            (per_cpu(centrino_cpu, cpu) == &cpu_ids[CPU_DOTHAN_A1]) ||
+            (per_cpu(centrino_cpu, cpu) == &cpu_ids[CPU_DOTHAN_B0])) {
                 msr = (msr >> 8) & 0xff;
                 return msr * 100000;
         }
 
-        if ((!centrino_model[cpu]) || (!centrino_model[cpu]->op_points))
+        if ((!per_cpu(centrino_model, cpu)) ||
+            (!per_cpu(centrino_model, cpu)->op_points))
                 return 0;
 
         msr &= 0xffff;
-        for (i=0;centrino_model[cpu]->op_points[i].frequency != CPUFREQ_TABLE_END; i++) {
-                if (msr == centrino_model[cpu]->op_points[i].index)
-                        return centrino_model[cpu]->op_points[i].frequency;
+        for (i = 0;
+                per_cpu(centrino_model, cpu)->op_points[i].frequency
+                                                        != CPUFREQ_TABLE_END;
+             i++) {
+                if (msr == per_cpu(centrino_model, cpu)->op_points[i].index)
+                        return per_cpu(centrino_model, cpu)->
+                                                        op_points[i].frequency;
         }
         if (failsafe)
-                return centrino_model[cpu]->op_points[i-1].frequency;
+                return per_cpu(centrino_model, cpu)->op_points[i-1].frequency;
         else
                 return 0;
 }
@@ -313,9 +324,10 @@ 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;
 
@@ -347,7 +359,8 @@ static int centrino_cpu_init(struct cpufreq_policy *policy)
         int i;
 
         /* Only Intel makes Enhanced Speedstep-capable CPUs */
-        if (cpu->x86_vendor != X86_VENDOR_INTEL || !cpu_has(cpu, X86_FEATURE_EST))
+        if (cpu->x86_vendor != X86_VENDOR_INTEL ||
+            !cpu_has(cpu, X86_FEATURE_EST))
                 return -ENODEV;
 
         if (cpu_has(cpu, X86_FEATURE_CONSTANT_TSC))
@@ -361,9 +374,9 @@ static int centrino_cpu_init(struct cpufreq_policy *policy)
                         break;
 
         if (i != N_IDS)
-                centrino_cpu[policy->cpu] = &cpu_ids[i];
+                per_cpu(centrino_cpu, policy->cpu) = &cpu_ids[i];
 
-        if (!centrino_cpu[policy->cpu]) {
+        if (!per_cpu(centrino_cpu, policy->cpu)) {
                 dprintk("found unsupported CPU with "
                 "Enhanced SpeedStep: send /proc/cpuinfo to "
                 MAINTAINER "\n");
@@ -386,23 +399,26 @@ static int centrino_cpu_init(struct cpufreq_policy *policy)
                 /* check to see if it stuck */
                 rdmsr(MSR_IA32_MISC_ENABLE, l, h);
                 if (!(l & (1<<16))) {
-                        printk(KERN_INFO PFX "couldn't enable Enhanced SpeedStep\n");
+                        printk(KERN_INFO PFX
+                                "couldn't enable Enhanced SpeedStep\n");
                         return -ENODEV;
                 }
         }
 
         freq = get_cur_freq(policy->cpu);
-
-        policy->cpuinfo.transition_latency = 10000; /* 10uS transition latency */
+        policy->cpuinfo.transition_latency = 10000;
+                                                /* 10uS transition latency */
         policy->cur = freq;
 
         dprintk("centrino_cpu_init: cur=%dkHz\n", policy->cur);
 
-        ret = cpufreq_frequency_table_cpuinfo(policy, centrino_model[policy->cpu]->op_points);
+        ret = cpufreq_frequency_table_cpuinfo(policy,
+                per_cpu(centrino_model, policy->cpu)->op_points);
         if (ret)
                 return (ret);
 
-        cpufreq_frequency_table_get_attr(centrino_model[policy->cpu]->op_points, policy->cpu);
+        cpufreq_frequency_table_get_attr(
+                per_cpu(centrino_model, policy->cpu)->op_points, policy->cpu);
 
         return 0;
 }
@@ -411,12 +427,12 @@ static int centrino_cpu_exit(struct cpufreq_policy *policy)
 {
         unsigned int cpu = policy->cpu;
 
-        if (!centrino_model[cpu])
+        if (!per_cpu(centrino_model, cpu))
                 return -ENODEV;
 
         cpufreq_frequency_table_put_attr(cpu);
 
-        centrino_model[cpu] = NULL;
+        per_cpu(centrino_model, cpu) = NULL;
 
         return 0;
 }
@@ -430,17 +446,26 @@ static int centrino_cpu_exit(struct cpufreq_policy *policy)
  */
 static int centrino_verify (struct cpufreq_policy *policy)
 {
-        return cpufreq_frequency_table_verify(policy, centrino_model[policy->cpu]->op_points);
+        return cpufreq_frequency_table_verify(policy,
+                        per_cpu(centrino_model, policy->cpu)->op_points);
 }
 
 /**
  * centrino_setpolicy - set a new CPUFreq policy
  * @policy: new policy
  * @target_freq: the target frequency
- * @relation: how that frequency relates to achieved frequency (CPUFREQ_RELATION_L or CPUFREQ_RELATION_H)
+ * @relation: how that frequency relates to achieved frequency
+ *      (CPUFREQ_RELATION_L or CPUFREQ_RELATION_H)
  *
  * Sets a new CPUFreq policy.
  */
+struct allmasks {
+        cpumask_t               online_policy_cpus;
+        cpumask_t               saved_mask;
+        cpumask_t               set_mask;
+        cpumask_t               covered_cpus;
+};
+
 static int centrino_target (struct cpufreq_policy *policy,
                             unsigned int target_freq,
                             unsigned int relation)
@@ -448,48 +473,55 @@ static int centrino_target (struct cpufreq_policy *policy,
         unsigned int    newstate = 0;
         unsigned int    msr, oldmsr = 0, h = 0, cpu = policy->cpu;
         struct cpufreq_freqs    freqs;
-        cpumask_t               online_policy_cpus;
-        cpumask_t               saved_mask;
-        cpumask_t               set_mask;
-        cpumask_t               covered_cpus;
         int                     retval = 0;
         unsigned int            j, k, first_cpu, tmp;
-
-        if (unlikely(centrino_model[cpu] == NULL))
-                return -ENODEV;
+        CPUMASK_ALLOC(allmasks);
+        CPUMASK_PTR(online_policy_cpus, allmasks);
+        CPUMASK_PTR(saved_mask, allmasks);
+        CPUMASK_PTR(set_mask, allmasks);
+        CPUMASK_PTR(covered_cpus, allmasks);
+
+        if (unlikely(allmasks == NULL))
+                return -ENOMEM;
+
+        if (unlikely(per_cpu(centrino_model, cpu) == NULL)) {
+                retval = -ENODEV;
+                goto out;
+        }
 
         if (unlikely(cpufreq_frequency_table_target(policy,
-                        centrino_model[cpu]->op_points,
+                        per_cpu(centrino_model, cpu)->op_points,
                         target_freq,
                         relation,
                         &newstate))) {
-                return -EINVAL;
+                retval = -EINVAL;
+                goto out;
         }
 
 #ifdef CONFIG_HOTPLUG_CPU
         /* cpufreq holds the hotplug lock, so we are safe from here on */
-        cpus_and(online_policy_cpus, cpu_online_map, policy->cpus);
+        cpus_and(*online_policy_cpus, cpu_online_map, policy->cpus);
 #else
-        online_policy_cpus = policy->cpus;
+        *online_policy_cpus = policy->cpus;
 #endif
 
-        saved_mask = current->cpus_allowed;
+        *saved_mask = current->cpus_allowed;
         first_cpu = 1;
-        cpus_clear(covered_cpus);
-        for_each_cpu_mask(j, online_policy_cpus) {
+        cpus_clear(*covered_cpus);
+        for_each_cpu_mask_nr(j, *online_policy_cpus) {
                 /*
                  * Support for SMP systems.
                  * Make sure we are running on CPU that wants to change freq
                  */
-                cpus_clear(set_mask);
+                cpus_clear(*set_mask);
                 if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
-                        cpus_or(set_mask, set_mask, online_policy_cpus);
+                        cpus_or(*set_mask, *set_mask, *online_policy_cpus);
                 else
-                        cpu_set(j, set_mask);
+                        cpu_set(j, *set_mask);
 
-                set_cpus_allowed_ptr(current, &set_mask);
+                set_cpus_allowed_ptr(current, set_mask);
                 preempt_disable();
-                if (unlikely(!cpu_isset(smp_processor_id(), set_mask))) {
+                if (unlikely(!cpu_isset(smp_processor_id(), *set_mask))) {
                         dprintk("couldn't limit to CPUs in this domain\n");
                         retval = -EAGAIN;
                         if (first_cpu) {
@@ -500,7 +532,7 @@ static int centrino_target (struct cpufreq_policy *policy,
                         break;
                 }
 
-                msr = centrino_model[cpu]->op_points[newstate].index;
+                msr = per_cpu(centrino_model, cpu)->op_points[newstate].index;
 
                 if (first_cpu) {
                         rdmsr(MSR_IA32_PERF_CTL, oldmsr, h);
@@ -517,7 +549,7 @@ static int centrino_target (struct cpufreq_policy *policy,
                         dprintk("target=%dkHz old=%d new=%d msr=%04x\n",
                                 target_freq, freqs.old, freqs.new, msr);
 
-                        for_each_cpu_mask(k, online_policy_cpus) {
+                        for_each_cpu_mask_nr(k, *online_policy_cpus) {
                                 freqs.cpu = k;
                                 cpufreq_notify_transition(&freqs,
                                         CPUFREQ_PRECHANGE);
@@ -536,11 +568,11 @@ static int centrino_target (struct cpufreq_policy *policy,
                         break;
                 }
 
-                cpu_set(j, covered_cpus);
+                cpu_set(j, *covered_cpus);
                 preempt_enable();
         }
 
-        for_each_cpu_mask(k, online_policy_cpus) {
+        for_each_cpu_mask_nr(k, *online_policy_cpus) {
                 freqs.cpu = k;
                 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
         }
@@ -553,10 +585,12 @@ static int centrino_target (struct cpufreq_policy *policy,
                  * Best effort undo..
                  */
 
-                if (!cpus_empty(covered_cpus)) {
-                        for_each_cpu_mask(j, covered_cpus) {
-                                set_cpus_allowed_ptr(current,
-                                                     &cpumask_of_cpu(j));
+                if (!cpus_empty(*covered_cpus)) {
+                        cpumask_of_cpu_ptr_declare(new_mask);
+
+                        for_each_cpu_mask_nr(j, *covered_cpus) {
+                                cpumask_of_cpu_ptr_next(new_mask, j);
+                                set_cpus_allowed_ptr(current, new_mask);
                                 wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
                         }
                 }
@@ -564,19 +598,22 @@ static int centrino_target (struct cpufreq_policy *policy,
                 tmp = freqs.new;
                 freqs.new = freqs.old;
                 freqs.old = tmp;
-                for_each_cpu_mask(j, online_policy_cpus) {
+                for_each_cpu_mask_nr(j, *online_policy_cpus) {
                         freqs.cpu = j;
                         cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
                         cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
                 }
         }
-        set_cpus_allowed_ptr(current, &saved_mask);
-        return 0;
+        set_cpus_allowed_ptr(current, saved_mask);
+        retval = 0;
+        goto out;
 
 migrate_end:
         preempt_enable();
-        set_cpus_allowed_ptr(current, &saved_mask);
-        return 0;
+        set_cpus_allowed_ptr(current, saved_mask);
+out:
+        CPUMASK_FREE(allmasks);
+        return retval;
 }
 
 static struct freq_attr* centrino_attr[] = {
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 1b50244b1fdf..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);
 }
 
 /**
@@ -279,7 +280,7 @@ static int speedstep_target (struct cpufreq_policy *policy,
 
         cpus_allowed = current->cpus_allowed;
 
-        for_each_cpu_mask(i, policy->cpus) {
+        for_each_cpu_mask_nr(i, policy->cpus) {
                 freqs.cpu = i;
                 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
         }
@@ -292,7 +293,7 @@ static int speedstep_target (struct cpufreq_policy *policy,
         /* allow to be run on all CPUs */
         set_cpus_allowed_ptr(current, &cpus_allowed);
 
-        for_each_cpu_mask(i, policy->cpus) {
+        for_each_cpu_mask_nr(i, policy->cpus) {
                 freqs.cpu = i;
                 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
         }
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 70609efdf1da..b75f2569b8f8 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -227,6 +227,16 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)
         if (cpu_has_bts)
                 ds_init_intel(c);
 
+        /*
+         * See if we have a good local APIC by checking for buggy Pentia,
+         * i.e. all B steppings and the C2 stepping of P54C when using their
+         * integrated APIC (see 11AP erratum in "Pentium Processor
+         * Specification Update").
+         */
+        if (cpu_has_apic && (c->x86<<8 | c->x86_model<<4) == 0x520 &&
+            (c->x86_mask < 0x6 || c->x86_mask == 0xb))
+                set_cpu_cap(c, X86_FEATURE_11AP);
+
 #ifdef CONFIG_X86_NUMAQ
         numaq_tsc_disable();
 #endif
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 2c8afafa18e8..650d40f7912b 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -489,7 +489,7 @@ static void __cpuinit cache_remove_shared_cpu_map(unsigned int cpu, int index)
         int sibling;
 
         this_leaf = CPUID4_INFO_IDX(cpu, index);
-        for_each_cpu_mask(sibling, this_leaf->shared_cpu_map) {
+        for_each_cpu_mask_nr(sibling, this_leaf->shared_cpu_map) {
                 sibling_leaf = CPUID4_INFO_IDX(sibling, index); 
                 cpu_clear(cpu, sibling_leaf->shared_cpu_map);
         }
@@ -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;
 
@@ -780,15 +781,14 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev)
                         }
                         kobject_put(per_cpu(cache_kobject, cpu));
                         cpuid4_cache_sysfs_exit(cpu);
-                        break;
+                        return retval;
                 }
                 kobject_uevent(&(this_object->kobj), KOBJ_ADD);
         }
-        if (!retval)
-                cpu_set(cpu, cache_dev_map);
+        cpu_set(cpu, cache_dev_map);
 
         kobject_uevent(per_cpu(cache_kobject, cpu), KOBJ_ADD);
-        return retval;
+        return 0;
 }
 
 static void __cpuinit cache_remove_dev(struct sys_device * sys_dev)
diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index c4a7ec31394c..65a339678ece 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -580,7 +580,7 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
         char __user *buf = ubuf;
         int i, err;
 
-        cpu_tsc = kmalloc(NR_CPUS * sizeof(long), GFP_KERNEL);
+        cpu_tsc = kmalloc(nr_cpu_ids * sizeof(long), GFP_KERNEL);
         if (!cpu_tsc)
                 return -ENOMEM;
 
@@ -762,10 +762,14 @@ DEFINE_PER_CPU(struct sys_device, device_mce);
 
 /* Why are there no generic functions for this? */
 #define ACCESSOR(name, var, start) \
-        static ssize_t show_ ## name(struct sys_device *s, char *buf) { \
+        static ssize_t show_ ## name(struct sys_device *s,              \
+                                     struct sysdev_attribute *attr,     \
+                                     char *buf) {                       \
                 return sprintf(buf, "%lx\n", (unsigned long)var);       \
         }                                                               \
-        static ssize_t set_ ## name(struct sys_device *s,const char *buf,size_t siz) { \
+        static ssize_t set_ ## name(struct sys_device *s,               \
+                                    struct sysdev_attribute *attr,      \
+                                    const char *buf, size_t siz) {      \
                 char *end;                                              \
                 unsigned long new = simple_strtoul(buf, &end, 0);       \
                 if (end == buf) return -EINVAL;                         \
@@ -786,14 +790,16 @@ ACCESSOR(bank3ctl,bank[3],mce_restart())
 ACCESSOR(bank4ctl,bank[4],mce_restart())
 ACCESSOR(bank5ctl,bank[5],mce_restart())
 
-static ssize_t show_trigger(struct sys_device *s, char *buf)
+static ssize_t show_trigger(struct sys_device *s, struct sysdev_attribute *attr,
+                                char *buf)
 {
         strcpy(buf, trigger);
         strcat(buf, "\n");
         return strlen(trigger) + 1;
 }
 
-static ssize_t set_trigger(struct sys_device *s,const char *buf,size_t siz)
+static ssize_t set_trigger(struct sys_device *s, struct sysdev_attribute *attr,
+                                const char *buf,size_t siz)
 {
         char *p;
         int len;
@@ -806,12 +812,12 @@ static ssize_t set_trigger(struct sys_device *s,const char *buf,size_t siz)
 }
 
 static SYSDEV_ATTR(trigger, 0644, show_trigger, set_trigger);
-ACCESSOR(tolerant,tolerant,)
+static SYSDEV_INT_ATTR(tolerant, 0644, tolerant);
 ACCESSOR(check_interval,check_interval,mce_restart())
 static struct sysdev_attribute *mce_attributes[] = {
         &attr_bank0ctl, &attr_bank1ctl, &attr_bank2ctl,
         &attr_bank3ctl, &attr_bank4ctl, &attr_bank5ctl,
-        &attr_tolerant, &attr_check_interval, &attr_trigger,
+        &attr_tolerant.attr, &attr_check_interval, &attr_trigger,
         NULL
 };
 
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd_64.c b/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
index 7c9a813e1193..88736cadbaa6 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
@@ -527,7 +527,7 @@ static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank)
         if (err)
                 goto out_free;
 
-        for_each_cpu_mask(i, b->cpus) {
+        for_each_cpu_mask_nr(i, b->cpus) {
                 if (i == cpu)
                         continue;
 
@@ -617,7 +617,7 @@ static void threshold_remove_bank(unsigned int cpu, int bank)
 #endif
 
         /* remove all sibling symlinks before unregistering */
-        for_each_cpu_mask(i, b->cpus) {
+        for_each_cpu_mask_nr(i, b->cpus) {
                 if (i == cpu)
                         continue;
 
diff --git a/arch/x86/kernel/cpu/mcheck/p4.c b/arch/x86/kernel/cpu/mcheck/p4.c
index eef001ad3bde..9b60fce09f75 100644
--- a/arch/x86/kernel/cpu/mcheck/p4.c
+++ b/arch/x86/kernel/cpu/mcheck/p4.c
@@ -102,7 +102,7 @@ static void intel_init_thermal(struct cpuinfo_x86 *c)
         /* The temperature transition interrupt handler setup */
         h = THERMAL_APIC_VECTOR;                /* our delivery vector */
         h |= (APIC_DM_FIXED | APIC_LVT_MASKED); /* we'll mask till we're ready */
-        apic_write_around(APIC_LVTTHMR, h);
+        apic_write(APIC_LVTTHMR, h);
 
         rdmsr(MSR_IA32_THERM_INTERRUPT, l, h);
         wrmsr(MSR_IA32_THERM_INTERRUPT, l | 0x03 , h);
@@ -114,7 +114,7 @@ static void intel_init_thermal(struct cpuinfo_x86 *c)
         wrmsr(MSR_IA32_MISC_ENABLE, l | (1<<3), h);
 
         l = apic_read(APIC_LVTTHMR);
-        apic_write_around(APIC_LVTTHMR, l & ~APIC_LVT_MASKED);
+        apic_write(APIC_LVTTHMR, l & ~APIC_LVT_MASKED);
         printk(KERN_INFO "CPU%d: Thermal monitoring enabled\n", cpu);
 
         /* enable thermal throttle processing */
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index 1f4cc48c14c6..d5ae2243f0b9 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -35,6 +35,7 @@ atomic_t therm_throt_en = ATOMIC_INIT(0);
 
 #define define_therm_throt_sysdev_show_func(name)                            \
 static ssize_t therm_throt_sysdev_show_##name(struct sys_device *dev,        \
+                                        struct sysdev_attribute *attr,       \
                                               char *buf)                     \
 {                                                                            \
         unsigned int cpu = dev->id;                                          \
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index 6d4bdc02388a..de7439f82b92 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -250,7 +250,7 @@ static void write_watchdog_counter(unsigned int perfctr_msr,
 
         do_div(count, nmi_hz);
         if(descr)
-                Dprintk("setting %s to -0x%08Lx\n", descr, count);
+                pr_debug("setting %s to -0x%08Lx\n", descr, count);
         wrmsrl(perfctr_msr, 0 - count);
 }
 
@@ -261,7 +261,7 @@ static void write_watchdog_counter32(unsigned int perfctr_msr,
 
         do_div(count, nmi_hz);
         if(descr)
-                Dprintk("setting %s to -0x%08Lx\n", descr, count);
+                pr_debug("setting %s to -0x%08Lx\n", descr, count);
         wrmsr(perfctr_msr, (u32)(-count), 0);
 }
 
diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c
index 0d0d9057e7c0..a26c480b9491 100644
--- a/arch/x86/kernel/cpu/proc.c
+++ b/arch/x86/kernel/cpu/proc.c
@@ -160,7 +160,7 @@ static void *c_start(struct seq_file *m, loff_t *pos)
 {
         if (*pos == 0)  /* just in case, cpu 0 is not the first */
                 *pos = first_cpu(cpu_online_map);
-        if ((*pos) < NR_CPUS && cpu_online(*pos))
+        if ((*pos) < nr_cpu_ids && cpu_online(*pos))
                 return &cpu_data(*pos);
         return NULL;
 }