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-rw-r--r--arch/x86/kernel/cpu/common.c2
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c28
-rw-r--r--arch/x86/kernel/cpu/cpufreq/p4-clockmod.c6
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k7.c9
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.c24
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c51
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-lib.c9
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c2
8 files changed, 89 insertions, 42 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 42e0853030c..3f95a40f718 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -355,7 +355,7 @@ void __cpuinit detect_ht(struct cpuinfo_x86 *c)
printk(KERN_INFO "CPU: Hyper-Threading is disabled\n");
} else if (smp_num_siblings > 1) {
- if (smp_num_siblings > NR_CPUS) {
+ if (smp_num_siblings > nr_cpu_ids) {
printk(KERN_WARNING "CPU: Unsupported number of siblings %d",
smp_num_siblings);
smp_num_siblings = 1;
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 88ea02dcb62..28102ad1a36 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -517,6 +517,17 @@ acpi_cpufreq_guess_freq(struct acpi_cpufreq_data *data, unsigned int cpu)
}
}
+static void free_acpi_perf_data(void)
+{
+ unsigned int i;
+
+ /* Freeing a NULL pointer is OK, and alloc_percpu zeroes. */
+ for_each_possible_cpu(i)
+ free_cpumask_var(per_cpu_ptr(acpi_perf_data, i)
+ ->shared_cpu_map);
+ free_percpu(acpi_perf_data);
+}
+
/*
* acpi_cpufreq_early_init - initialize ACPI P-States library
*
@@ -527,6 +538,7 @@ acpi_cpufreq_guess_freq(struct acpi_cpufreq_data *data, unsigned int cpu)
*/
static int __init acpi_cpufreq_early_init(void)
{
+ unsigned int i;
dprintk("acpi_cpufreq_early_init\n");
acpi_perf_data = alloc_percpu(struct acpi_processor_performance);
@@ -534,6 +546,16 @@ static int __init acpi_cpufreq_early_init(void)
dprintk("Memory allocation error for acpi_perf_data.\n");
return -ENOMEM;
}
+ for_each_possible_cpu(i) {
+ if (!alloc_cpumask_var_node(
+ &per_cpu_ptr(acpi_perf_data, i)->shared_cpu_map,
+ GFP_KERNEL, cpu_to_node(i))) {
+
+ /* Freeing a NULL pointer is OK: alloc_percpu zeroes. */
+ free_acpi_perf_data();
+ return -ENOMEM;
+ }
+ }
/* Do initialization in ACPI core */
acpi_processor_preregister_performance(acpi_perf_data);
@@ -604,9 +626,9 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
*/
if (policy->shared_type == CPUFREQ_SHARED_TYPE_ALL ||
policy->shared_type == CPUFREQ_SHARED_TYPE_ANY) {
- policy->cpus = perf->shared_cpu_map;
+ cpumask_copy(&policy->cpus, perf->shared_cpu_map);
}
- policy->related_cpus = perf->shared_cpu_map;
+ cpumask_copy(&policy->related_cpus, perf->shared_cpu_map);
#ifdef CONFIG_SMP
dmi_check_system(sw_any_bug_dmi_table);
@@ -795,7 +817,7 @@ static int __init acpi_cpufreq_init(void)
ret = cpufreq_register_driver(&acpi_cpufreq_driver);
if (ret)
- free_percpu(acpi_perf_data);
+ free_acpi_perf_data();
return ret;
}
diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
index b8e05ee4f73..beea4466b06 100644
--- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
+++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
@@ -160,6 +160,7 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c)
switch (c->x86_model) {
case 0x0E: /* Core */
case 0x0F: /* Core Duo */
+ case 0x16: /* Celeron Core */
p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS;
return speedstep_get_processor_frequency(SPEEDSTEP_PROCESSOR_PCORE);
case 0x0D: /* Pentium M (Dothan) */
@@ -171,7 +172,9 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c)
}
if (c->x86 != 0xF) {
- printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. Please send an e-mail to <cpufreq@vger.kernel.org>\n");
+ if (!cpu_has(c, X86_FEATURE_EST))
+ printk(KERN_WARNING PFX "Unknown p4-clockmod-capable CPU. "
+ "Please send an e-mail to <cpufreq@vger.kernel.org>\n");
return 0;
}
@@ -274,6 +277,7 @@ static struct cpufreq_driver p4clockmod_driver = {
.name = "p4-clockmod",
.owner = THIS_MODULE,
.attr = p4clockmod_attr,
+ .hide_interface = 1,
};
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
index 7c7d56b4313..1b446d79a8f 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
@@ -310,6 +310,12 @@ static int powernow_acpi_init(void)
goto err0;
}
+ if (!alloc_cpumask_var(&acpi_processor_perf->shared_cpu_map,
+ GFP_KERNEL)) {
+ retval = -ENOMEM;
+ goto err05;
+ }
+
if (acpi_processor_register_performance(acpi_processor_perf, 0)) {
retval = -EIO;
goto err1;
@@ -412,6 +418,8 @@ static int powernow_acpi_init(void)
err2:
acpi_processor_unregister_performance(acpi_processor_perf, 0);
err1:
+ free_cpumask_var(acpi_processor_perf->shared_cpu_map);
+err05:
kfree(acpi_processor_perf);
err0:
printk(KERN_WARNING PFX "ACPI perflib can not be used in this platform\n");
@@ -652,6 +660,7 @@ static int powernow_cpu_exit (struct cpufreq_policy *policy) {
#ifdef CONFIG_X86_POWERNOW_K7_ACPI
if (acpi_processor_perf) {
acpi_processor_unregister_performance(acpi_processor_perf, 0);
+ free_cpumask_var(acpi_processor_perf->shared_cpu_map);
kfree(acpi_processor_perf);
}
#endif
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 7f05f44b97e..c3c9adbaa26 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -766,7 +766,7 @@ static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned
static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
{
struct cpufreq_frequency_table *powernow_table;
- int ret_val;
+ int ret_val = -ENODEV;
if (acpi_processor_register_performance(&data->acpi_data, data->cpu)) {
dprintk("register performance failed: bad ACPI data\n");
@@ -815,6 +815,13 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
/* notify BIOS that we exist */
acpi_processor_notify_smm(THIS_MODULE);
+ if (!alloc_cpumask_var(&data->acpi_data.shared_cpu_map, GFP_KERNEL)) {
+ printk(KERN_ERR PFX
+ "unable to alloc powernow_k8_data cpumask\n");
+ ret_val = -ENOMEM;
+ goto err_out_mem;
+ }
+
return 0;
err_out_mem:
@@ -826,7 +833,7 @@ err_out:
/* data->acpi_data.state_count informs us at ->exit() whether ACPI was used */
data->acpi_data.state_count = 0;
- return -ENODEV;
+ return ret_val;
}
static int fill_powernow_table_pstate(struct powernow_k8_data *data, struct cpufreq_frequency_table *powernow_table)
@@ -929,6 +936,7 @@ static void powernow_k8_cpu_exit_acpi(struct powernow_k8_data *data)
{
if (data->acpi_data.state_count)
acpi_processor_unregister_performance(&data->acpi_data, data->cpu);
+ free_cpumask_var(data->acpi_data.shared_cpu_map);
}
#else
@@ -1134,7 +1142,8 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
data->cpu = pol->cpu;
data->currpstate = HW_PSTATE_INVALID;
- if (powernow_k8_cpu_init_acpi(data)) {
+ rc = powernow_k8_cpu_init_acpi(data);
+ if (rc) {
/*
* Use the PSB BIOS structure. This is only availabe on
* an UP version, and is deprecated by AMD.
@@ -1152,20 +1161,17 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
"ACPI maintainers and complain to your BIOS "
"vendor.\n");
#endif
- kfree(data);
- return -ENODEV;
+ goto err_out;
}
if (pol->cpu != 0) {
printk(KERN_ERR FW_BUG PFX "No ACPI _PSS objects for "
"CPU other than CPU0. Complain to your BIOS "
"vendor.\n");
- kfree(data);
- return -ENODEV;
+ goto err_out;
}
rc = find_psb_table(data);
if (rc) {
- kfree(data);
- return -ENODEV;
+ goto err_out;
}
}
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index 3b5f06423e7..f0ea6fa2f53 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -459,9 +459,7 @@ static int centrino_verify (struct cpufreq_policy *policy)
* Sets a new CPUFreq policy.
*/
struct allmasks {
- cpumask_t online_policy_cpus;
cpumask_t saved_mask;
- cpumask_t set_mask;
cpumask_t covered_cpus;
};
@@ -475,9 +473,7 @@ static int centrino_target (struct cpufreq_policy *policy,
int retval = 0;
unsigned int j, k, first_cpu, tmp;
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))
@@ -497,30 +493,28 @@ static int centrino_target (struct cpufreq_policy *policy,
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);
-#else
- *online_policy_cpus = policy->cpus;
-#endif
-
*saved_mask = current->cpus_allowed;
first_cpu = 1;
cpus_clear(*covered_cpus);
- for_each_cpu_mask_nr(j, *online_policy_cpus) {
+ for_each_cpu_mask_nr(j, policy->cpus) {
+ const cpumask_t *mask;
+
+ /* cpufreq holds the hotplug lock, so we are safe here */
+ if (!cpu_online(j))
+ continue;
+
/*
* Support for SMP systems.
* Make sure we are running on CPU that wants to change freq
*/
- cpus_clear(*set_mask);
if (policy->shared_type == CPUFREQ_SHARED_TYPE_ANY)
- cpus_or(*set_mask, *set_mask, *online_policy_cpus);
+ mask = &policy->cpus;
else
- cpu_set(j, *set_mask);
+ mask = &cpumask_of_cpu(j);
- set_cpus_allowed_ptr(current, set_mask);
+ set_cpus_allowed_ptr(current, mask);
preempt_disable();
- if (unlikely(!cpu_isset(smp_processor_id(), *set_mask))) {
+ if (unlikely(!cpu_isset(smp_processor_id(), *mask))) {
dprintk("couldn't limit to CPUs in this domain\n");
retval = -EAGAIN;
if (first_cpu) {
@@ -548,7 +542,9 @@ 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_nr(k, *online_policy_cpus) {
+ for_each_cpu_mask_nr(k, policy->cpus) {
+ if (!cpu_online(k))
+ continue;
freqs.cpu = k;
cpufreq_notify_transition(&freqs,
CPUFREQ_PRECHANGE);
@@ -571,7 +567,9 @@ static int centrino_target (struct cpufreq_policy *policy,
preempt_enable();
}
- for_each_cpu_mask_nr(k, *online_policy_cpus) {
+ for_each_cpu_mask_nr(k, policy->cpus) {
+ if (!cpu_online(k))
+ continue;
freqs.cpu = k;
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
}
@@ -584,18 +582,17 @@ static int centrino_target (struct cpufreq_policy *policy,
* Best effort undo..
*/
- if (!cpus_empty(*covered_cpus))
- for_each_cpu_mask_nr(j, *covered_cpus) {
- set_cpus_allowed_ptr(current,
- &cpumask_of_cpu(j));
- wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
- }
+ for_each_cpu_mask_nr(j, *covered_cpus) {
+ set_cpus_allowed_ptr(current, &cpumask_of_cpu(j));
+ wrmsr(MSR_IA32_PERF_CTL, oldmsr, h);
+ }
tmp = freqs.new;
freqs.new = freqs.old;
freqs.old = tmp;
- for_each_cpu_mask_nr(j, *online_policy_cpus) {
- freqs.cpu = j;
+ for_each_cpu_mask_nr(j, policy->cpus) {
+ if (!cpu_online(j))
+ continue;
cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
}
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
index 98d4fdb7dc0..cdac7d62369 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-lib.c
@@ -139,6 +139,15 @@ static unsigned int pentium_core_get_frequency(void)
case 3:
fsb = 166667;
break;
+ case 2:
+ fsb = 200000;
+ break;
+ case 0:
+ fsb = 266667;
+ break;
+ case 4:
+ fsb = 333333;
+ break;
default:
printk(KERN_ERR "PCORE - MSR_FSB_FREQ undefined value");
}
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index c6ecda64f5f..48533d77be7 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -534,7 +534,7 @@ static void __cpuinit free_cache_attributes(unsigned int cpu)
per_cpu(cpuid4_info, cpu) = NULL;
}
-static void get_cpu_leaves(void *_retval)
+static void __cpuinit get_cpu_leaves(void *_retval)
{
int j, *retval = _retval, cpu = smp_processor_id();
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-27 12:54:00 +0000