15 files changed, 113 insertions, 65 deletions

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index a4ec8b647544..c1afa990a6c8 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1136,7 +1136,7 @@ void __cpuinit cpu_init(void)
         wrmsrl(MSR_KERNEL_GS_BASE, 0);
         barrier();
 
-        check_efer();
+        x86_configure_nx();
         if (cpu != 0)
                 enable_x2apic();
 
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 8b581d3905cb..d2e7c77c1ea4 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -764,14 +764,15 @@ static struct freq_attr *acpi_cpufreq_attr[] = {
 };
 
 static struct cpufreq_driver acpi_cpufreq_driver = {
-        .verify = acpi_cpufreq_verify,
-        .target = acpi_cpufreq_target,
-        .init = acpi_cpufreq_cpu_init,
-        .exit = acpi_cpufreq_cpu_exit,
-        .resume = acpi_cpufreq_resume,
-        .name = "acpi-cpufreq",
-        .owner = THIS_MODULE,
-        .attr = acpi_cpufreq_attr,
+        .verify         = acpi_cpufreq_verify,
+        .target         = acpi_cpufreq_target,
+        .bios_limit     = acpi_processor_get_bios_limit,
+        .init           = acpi_cpufreq_cpu_init,
+        .exit           = acpi_cpufreq_cpu_exit,
+        .resume         = acpi_cpufreq_resume,
+        .name           = "acpi-cpufreq",
+        .owner          = THIS_MODULE,
+        .attr           = acpi_cpufreq_attr,
 };
 
 static int __init acpi_cpufreq_init(void)
diff --git a/arch/x86/kernel/cpu/cpufreq/longhaul.c b/arch/x86/kernel/cpu/cpufreq/longhaul.c
index cabd2fa3fc93..7e7eea4f8261 100644
--- a/arch/x86/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/x86/kernel/cpu/cpufreq/longhaul.c
@@ -885,7 +885,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
 
         /* Find ACPI data for processor */
         acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
-                                ACPI_UINT32_MAX, &longhaul_walk_callback,
+                                ACPI_UINT32_MAX, &longhaul_walk_callback, NULL,
                                 NULL, (void *)&pr);
 
         /* Check ACPI support for C3 state */
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
index f10dea409f40..cb01dac267d3 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
@@ -164,7 +164,7 @@ static int powernow_k6_cpu_init(struct cpufreq_policy *policy)
         }
 
         /* cpuinfo and default policy values */
-        policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+        policy->cpuinfo.transition_latency = 200000;
         policy->cur = busfreq * max_multiplier;
 
         result = cpufreq_frequency_table_cpuinfo(policy, clock_ratio);
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
index d47c775eb0ab..9a97116f89e5 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
@@ -714,14 +714,17 @@ static struct freq_attr *powernow_table_attr[] = {
 };
 
 static struct cpufreq_driver powernow_driver = {
-        .verify = powernow_verify,
-        .target = powernow_target,
-        .get    = powernow_get,
-        .init   = powernow_cpu_init,
-        .exit   = powernow_cpu_exit,
-        .name   = "powernow-k7",
-        .owner  = THIS_MODULE,
-        .attr   = powernow_table_attr,
+        .verify         = powernow_verify,
+        .target         = powernow_target,
+        .get            = powernow_get,
+#ifdef CONFIG_X86_POWERNOW_K7_ACPI
+        .bios_limit     = acpi_processor_get_bios_limit,
+#endif
+        .init           = powernow_cpu_init,
+        .exit           = powernow_cpu_exit,
+        .name           = "powernow-k7",
+        .owner          = THIS_MODULE,
+        .attr           = powernow_table_attr,
 };
 
 static int __init powernow_init(void)
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 3f12dabeab52..a9df9441a9a2 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -1118,7 +1118,7 @@ static int transition_frequency_pstate(struct powernow_k8_data *data,
 static int powernowk8_target(struct cpufreq_policy *pol,
                 unsigned targfreq, unsigned relation)
 {
-        cpumask_t oldmask;
+        cpumask_var_t oldmask;
         struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu);
         u32 checkfid;
         u32 checkvid;
@@ -1131,9 +1131,13 @@ static int powernowk8_target(struct cpufreq_policy *pol,
         checkfid = data->currfid;
         checkvid = data->currvid;
 
-        /* only run on specific CPU from here on */
-        oldmask = current->cpus_allowed;
-        set_cpus_allowed_ptr(current, &cpumask_of_cpu(pol->cpu));
+        /* only run on specific CPU from here on. */
+        /* This is poor form: use a workqueue or smp_call_function_single */
+        if (!alloc_cpumask_var(&oldmask, GFP_KERNEL))
+                return -ENOMEM;
+
+        cpumask_copy(oldmask, tsk_cpumask(current));
+        set_cpus_allowed_ptr(current, cpumask_of(pol->cpu));
 
         if (smp_processor_id() != pol->cpu) {
                 printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu);
@@ -1193,7 +1197,8 @@ static int powernowk8_target(struct cpufreq_policy *pol,
         ret = 0;
 
 err_out:
-        set_cpus_allowed_ptr(current, &oldmask);
+        set_cpus_allowed_ptr(current, oldmask);
+        free_cpumask_var(oldmask);
         return ret;
 }
 
@@ -1393,14 +1398,15 @@ static struct freq_attr *powernow_k8_attr[] = {
 };
 
 static struct cpufreq_driver cpufreq_amd64_driver = {
-        .verify = powernowk8_verify,
-        .target = powernowk8_target,
-        .init = powernowk8_cpu_init,
-        .exit = __devexit_p(powernowk8_cpu_exit),
-        .get = powernowk8_get,
-        .name = "powernow-k8",
-        .owner = THIS_MODULE,
-        .attr = powernow_k8_attr,
+        .verify         = powernowk8_verify,
+        .target         = powernowk8_target,
+        .bios_limit     = acpi_processor_get_bios_limit,
+        .init           = powernowk8_cpu_init,
+        .exit           = __devexit_p(powernowk8_cpu_exit),
+        .get            = powernowk8_get,
+        .name           = "powernow-k8",
+        .owner          = THIS_MODULE,
+        .attr           = powernow_k8_attr,
 };
 
 /* driver entry point for init */
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 3ae5a7a3a500..2ce8e0b5cc54 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
@@ -39,7 +39,7 @@ static struct pci_dev *speedstep_chipset_dev;
 
 /* speedstep_processor
  */
-static unsigned int speedstep_processor;
+static enum speedstep_processor speedstep_processor;
 
 static u32 pmbase;
 
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
index f4c290b8482f..ad0083abfa23 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
@@ -34,7 +34,7 @@ static int relaxed_check;
  *                   GET PROCESSOR CORE SPEED IN KHZ                 *
  *********************************************************************/
 
-static unsigned int pentium3_get_frequency(unsigned int processor)
+static unsigned int pentium3_get_frequency(enum speedstep_processor processor)
 {
         /* See table 14 of p3_ds.pdf and table 22 of 29834003.pdf */
         struct {
@@ -227,7 +227,7 @@ static unsigned int pentium4_get_frequency(void)
 
 
 /* Warning: may get called from smp_call_function_single. */
-unsigned int speedstep_get_frequency(unsigned int processor)
+unsigned int speedstep_get_frequency(enum speedstep_processor processor)
 {
         switch (processor) {
         case SPEEDSTEP_CPU_PCORE:
@@ -380,7 +380,7 @@ EXPORT_SYMBOL_GPL(speedstep_detect_processor);
  *                     DETECT SPEEDSTEP SPEEDS                       *
  *********************************************************************/
 
-unsigned int speedstep_get_freqs(unsigned int processor,
+unsigned int speedstep_get_freqs(enum speedstep_processor processor,
                                   unsigned int *low_speed,
                                   unsigned int *high_speed,
                                   unsigned int *transition_latency,
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.h b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.h
index 2b6c04e5a304..70d9cea1219d 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.h
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.h
@@ -11,18 +11,18 @@
 
 
 /* processors */
-
-#define SPEEDSTEP_CPU_PIII_C_EARLY      0x00000001  /* Coppermine core */
-#define SPEEDSTEP_CPU_PIII_C            0x00000002  /* Coppermine core */
-#define SPEEDSTEP_CPU_PIII_T            0x00000003  /* Tualatin core */
-#define SPEEDSTEP_CPU_P4M               0x00000004  /* P4-M  */
-
+enum speedstep_processor {
+        SPEEDSTEP_CPU_PIII_C_EARLY = 0x00000001,  /* Coppermine core */
+        SPEEDSTEP_CPU_PIII_C       = 0x00000002,  /* Coppermine core */
+        SPEEDSTEP_CPU_PIII_T       = 0x00000003,  /* Tualatin core */
+        SPEEDSTEP_CPU_P4M          = 0x00000004,  /* P4-M  */
 /* the following processors are not speedstep-capable and are not auto-detected
  * in speedstep_detect_processor(). However, their speed can be detected using
  * the speedstep_get_frequency() call. */
-#define SPEEDSTEP_CPU_PM                0xFFFFFF03  /* Pentium M  */
-#define SPEEDSTEP_CPU_P4D               0xFFFFFF04  /* desktop P4  */
-#define SPEEDSTEP_CPU_PCORE             0xFFFFFF05  /* Core */
+        SPEEDSTEP_CPU_PM           = 0xFFFFFF03,  /* Pentium M  */
+        SPEEDSTEP_CPU_P4D          = 0xFFFFFF04,  /* desktop P4  */
+        SPEEDSTEP_CPU_PCORE        = 0xFFFFFF05,  /* Core */
+};
 
 /* speedstep states -- only two of them */
 
@@ -31,10 +31,10 @@
 
 
 /* detect a speedstep-capable processor */
-extern unsigned int speedstep_detect_processor (void);
+extern enum speedstep_processor speedstep_detect_processor(void);
 
 /* detect the current speed (in khz) of the processor */
-extern unsigned int speedstep_get_frequency(unsigned int processor);
+extern unsigned int speedstep_get_frequency(enum speedstep_processor processor);
 
 
 /* detect the low and high speeds of the processor. The callback
@@ -42,7 +42,7 @@ extern unsigned int speedstep_get_frequency(unsigned int processor);
  * SPEEDSTEP_LOW; the second argument is zero so that no
  * cpufreq_notify_transition calls are initiated.
  */
-extern unsigned int speedstep_get_freqs(unsigned int processor,
+extern unsigned int speedstep_get_freqs(enum speedstep_processor processor,
         unsigned int *low_speed,
         unsigned int *high_speed,
         unsigned int *transition_latency,
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c b/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c
index befea088e4f5..04d73c114e49 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c
@@ -35,7 +35,7 @@ static int smi_cmd;
 static unsigned int smi_sig;
 
 /* info about the processor */
-static unsigned int speedstep_processor;
+static enum speedstep_processor speedstep_processor;
 
 /*
  * There are only two frequency states for each processor. Values
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 40e1835b35e8..c900b73f9224 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -263,8 +263,12 @@ static void __cpuinit srat_detect_node(struct cpuinfo_x86 *c)
         /* Don't do the funky fallback heuristics the AMD version employs
            for now. */
         node = apicid_to_node[apicid];
-        if (node == NUMA_NO_NODE || !node_online(node))
+        if (node == NUMA_NO_NODE)
                 node = first_node(node_online_map);
+        else if (!node_online(node)) {
+                /* reuse the value from init_cpu_to_node() */
+                node = cpu_to_node(cpu);
+        }
         numa_set_node(cpu, node);
 
         printk(KERN_INFO "CPU %d/0x%x -> Node %d\n", cpu, apicid, node);
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 0df4c2b7107f..6c40f6b5b340 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -94,7 +94,7 @@ static const struct _cache_table __cpuinitconst cache_table[] =
         { 0xd1, LVL_3,    1024 },       /* 4-way set assoc, 64 byte line size */
         { 0xd2, LVL_3,    2048 },       /* 4-way set assoc, 64 byte line size */
         { 0xd6, LVL_3,    1024 },       /* 8-way set assoc, 64 byte line size */
-        { 0xd7, LVL_3,    2038 },       /* 8-way set assoc, 64 byte line size */
+        { 0xd7, LVL_3,    2048 },       /* 8-way set assoc, 64 byte line size */
         { 0xd8, LVL_3,    4096 },       /* 12-way set assoc, 64 byte line size */
         { 0xdc, LVL_3,    2048 },       /* 12-way set assoc, 64 byte line size */
         { 0xdd, LVL_3,    4096 },       /* 12-way set assoc, 64 byte line size */
@@ -102,6 +102,9 @@ static const struct _cache_table __cpuinitconst cache_table[] =
         { 0xe2, LVL_3,    2048 },       /* 16-way set assoc, 64 byte line size */
         { 0xe3, LVL_3,    4096 },       /* 16-way set assoc, 64 byte line size */
         { 0xe4, LVL_3,    8192 },       /* 16-way set assoc, 64 byte line size */
+        { 0xea, LVL_3,    12288 },      /* 24-way set assoc, 64 byte line size */
+        { 0xeb, LVL_3,    18432 },      /* 24-way set assoc, 64 byte line size */
+        { 0xec, LVL_3,    24576 },      /* 24-way set assoc, 64 byte line size */
         { 0x00, 0, 0}
 };
 
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 0bcaa3875863..d7ebf25d10ed 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -2016,9 +2016,11 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
                 break;
         case CPU_DOWN_FAILED:
         case CPU_DOWN_FAILED_FROZEN:
-                t->expires = round_jiffies(jiffies +
+                if (!mce_ignore_ce && check_interval) {
+                        t->expires = round_jiffies(jiffies +
                                            __get_cpu_var(mce_next_interval));
-                add_timer_on(t, cpu);
+                        add_timer_on(t, cpu);
+                }
                 smp_call_function_single(cpu, mce_reenable_cpu, &action, 1);
                 break;
         case CPU_POST_DEAD:
diff --git a/arch/x86/kernel/cpu/mtrr/cleanup.c b/arch/x86/kernel/cpu/mtrr/cleanup.c
index 73c86db5acbe..09b1698e0466 100644
--- a/arch/x86/kernel/cpu/mtrr/cleanup.c
+++ b/arch/x86/kernel/cpu/mtrr/cleanup.c
@@ -170,6 +170,41 @@ static int __init cmp_range(const void *x1, const void *x2)
         return start1 - start2;
 }
 
+static int __init clean_sort_range(struct res_range *range, int az)
+{
+        int i, j, k = az - 1, nr_range = 0;
+
+        for (i = 0; i < k; i++) {
+                if (range[i].end)
+                        continue;
+                for (j = k; j > i; j--) {
+                        if (range[j].end) {
+                                k = j;
+                                break;
+                        }
+                }
+                if (j == i)
+                        break;
+                range[i].start = range[k].start;
+                range[i].end   = range[k].end;
+                range[k].start = 0;
+                range[k].end   = 0;
+                k--;
+        }
+        /* count it */
+        for (i = 0; i < az; i++) {
+                if (!range[i].end) {
+                        nr_range = i;
+                        break;
+                }
+        }
+
+        /* sort them */
+        sort(range, nr_range, sizeof(struct res_range), cmp_range, NULL);
+
+        return nr_range;
+}
+
 #define BIOS_BUG_MSG KERN_WARNING \
         "WARNING: BIOS bug: VAR MTRR %d contains strange UC entry under 1M, check with your system vendor!\n"
 
@@ -223,22 +258,18 @@ x86_get_mtrr_mem_range(struct res_range *range, int nr_range,
                 subtract_range(range, extra_remove_base,
                                  extra_remove_base + extra_remove_size  - 1);
 
-        /* get new range num */
-        nr_range = 0;
-        for (i = 0; i < RANGE_NUM; i++) {
-                if (!range[i].end)
-                        continue;
-                nr_range++;
-        }
         if  (debug_print) {
                 printk(KERN_DEBUG "After UC checking\n");
-                for (i = 0; i < nr_range; i++)
+                for (i = 0; i < RANGE_NUM; i++) {
+                        if (!range[i].end)
+                                continue;
                         printk(KERN_DEBUG "MTRR MAP PFN: %016lx - %016lx\n",
                                  range[i].start, range[i].end + 1);
+                }
         }
 
         /* sort the ranges */
-        sort(range, nr_range, sizeof(struct res_range), cmp_range, NULL);
+        nr_range = clean_sort_range(range, RANGE_NUM);
         if  (debug_print) {
                 printk(KERN_DEBUG "After sorting\n");
                 for (i = 0; i < nr_range; i++)
@@ -689,8 +720,6 @@ static int __init mtrr_need_cleanup(void)
                         continue;
                 if (!size)
                         type = MTRR_NUM_TYPES;
-                if (type == MTRR_TYPE_WRPROT)
-                        type = MTRR_TYPE_UNCACHABLE;
                 num[type]++;
         }
 
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index c1bbed1021d9..ab1a8a89b984 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1286,7 +1286,7 @@ x86_perf_event_set_period(struct perf_event *event,
                 return 0;
 
         /*
-         * If we are way outside a reasoable range then just skip forward:
+         * If we are way outside a reasonable range then just skip forward:
          */
         if (unlikely(left <= -period)) {
                 left = period;