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Merge tag 'v5.4-rc7' into sched/core, to pick up fixes

ソースを参照 
Signed-off-by: Ingo Molnar <mingo@kernel.org>
このコミットが含まれているのは:
Ingo Molnar
2019-11-11 08:34:59 +01:00
親 e79b3ddad6 31f4f5b495
コミット 6d5a763c30
1726個のファイルの変更、20531行の追加、12573行の削除
Patchファイルをダウンロード Diffファイルをダウンロード すべてのファイルを展開 すべてのファイルを折り畳む

72
drivers/cpufreq/cpufreq.c
ファイルの表示

@@ -720,7 +720,7 @@ static ssize_t store_##file_name \
if (ret != 1) \
return -EINVAL; \
\
ret = dev_pm_qos_update_request(policy->object##_freq_req, val);\
ret = freq_qos_update_request(policy->object##_freq_req, val);\
return ret >= 0 ? count : ret; \
}
@@ -1202,19 +1202,21 @@ static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu)
goto err_free_real_cpus;
}
freq_constraints_init(&policy->constraints);
policy->nb_min.notifier_call = cpufreq_notifier_min;
policy->nb_max.notifier_call = cpufreq_notifier_max;
ret = dev_pm_qos_add_notifier(dev, &policy->nb_min,
DEV_PM_QOS_MIN_FREQUENCY);
ret = freq_qos_add_notifier(&policy->constraints, FREQ_QOS_MIN,
&policy->nb_min);
if (ret) {
dev_err(dev, "Failed to register MIN QoS notifier: %d (%*pbl)\n",
ret, cpumask_pr_args(policy->cpus));
goto err_kobj_remove;
}
ret = dev_pm_qos_add_notifier(dev, &policy->nb_max,
DEV_PM_QOS_MAX_FREQUENCY);
ret = freq_qos_add_notifier(&policy->constraints, FREQ_QOS_MAX,
&policy->nb_max);
if (ret) {
dev_err(dev, "Failed to register MAX QoS notifier: %d (%*pbl)\n",
ret, cpumask_pr_args(policy->cpus));
@@ -1232,8 +1234,8 @@ static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu)
return policy;
err_min_qos_notifier:
dev_pm_qos_remove_notifier(dev, &policy->nb_min,
DEV_PM_QOS_MIN_FREQUENCY);
freq_qos_remove_notifier(&policy->constraints, FREQ_QOS_MIN,
&policy->nb_min);
err_kobj_remove:
cpufreq_policy_put_kobj(policy);
err_free_real_cpus:
@@ -1250,7 +1252,6 @@ err_free_policy:
static void cpufreq_policy_free(struct cpufreq_policy *policy)
{
struct device *dev = get_cpu_device(policy->cpu);
unsigned long flags;
int cpu;
@@ -1262,10 +1263,13 @@ static void cpufreq_policy_free(struct cpufreq_policy *policy)
per_cpu(cpufreq_cpu_data, cpu) = NULL;
write_unlock_irqrestore(&cpufreq_driver_lock, flags);
dev_pm_qos_remove_notifier(dev, &policy->nb_max,
DEV_PM_QOS_MAX_FREQUENCY);
dev_pm_qos_remove_notifier(dev, &policy->nb_min,
DEV_PM_QOS_MIN_FREQUENCY);
freq_qos_remove_notifier(&policy->constraints, FREQ_QOS_MAX,
&policy->nb_max);
freq_qos_remove_notifier(&policy->constraints, FREQ_QOS_MIN,
&policy->nb_min);
/* Cancel any pending policy->update work before freeing the policy. */
cancel_work_sync(&policy->update);
if (policy->max_freq_req) {
/*
@@ -1274,10 +1278,10 @@ static void cpufreq_policy_free(struct cpufreq_policy *policy)
*/
blocking_notifier_call_chain(&cpufreq_policy_notifier_list,
CPUFREQ_REMOVE_POLICY, policy);
dev_pm_qos_remove_request(policy->max_freq_req);
freq_qos_remove_request(policy->max_freq_req);
}
dev_pm_qos_remove_request(policy->min_freq_req);
freq_qos_remove_request(policy->min_freq_req);
kfree(policy->min_freq_req);
cpufreq_policy_put_kobj(policy);
@@ -1357,8 +1361,6 @@ static int cpufreq_online(unsigned int cpu)
cpumask_and(policy->cpus, policy->cpus, cpu_online_mask);
if (new_policy) {
struct device *dev = get_cpu_device(cpu);
for_each_cpu(j, policy->related_cpus) {
per_cpu(cpufreq_cpu_data, j) = policy;
add_cpu_dev_symlink(policy, j);
@@ -1369,36 +1371,31 @@ static int cpufreq_online(unsigned int cpu)
if (!policy->min_freq_req)
goto out_destroy_policy;
ret = dev_pm_qos_add_request(dev, policy->min_freq_req,
DEV_PM_QOS_MIN_FREQUENCY,
policy->min);
ret = freq_qos_add_request(&policy->constraints,
policy->min_freq_req, FREQ_QOS_MIN,
policy->min);
if (ret < 0) {
/*
* So we don't call dev_pm_qos_remove_request() for an
* So we don't call freq_qos_remove_request() for an
* uninitialized request.
*/
kfree(policy->min_freq_req);
policy->min_freq_req = NULL;
dev_err(dev, "Failed to add min-freq constraint (%d)\n",
ret);
goto out_destroy_policy;
}
/*
* This must be initialized right here to avoid calling
* dev_pm_qos_remove_request() on uninitialized request in case
* freq_qos_remove_request() on uninitialized request in case
* of errors.
*/
policy->max_freq_req = policy->min_freq_req + 1;
ret = dev_pm_qos_add_request(dev, policy->max_freq_req,
DEV_PM_QOS_MAX_FREQUENCY,
policy->max);
ret = freq_qos_add_request(&policy->constraints,
policy->max_freq_req, FREQ_QOS_MAX,
policy->max);
if (ret < 0) {
policy->max_freq_req = NULL;
dev_err(dev, "Failed to add max-freq constraint (%d)\n",
ret);
goto out_destroy_policy;
}
@@ -2374,7 +2371,6 @@ int cpufreq_set_policy(struct cpufreq_policy *policy,
struct cpufreq_policy *new_policy)
{
struct cpufreq_governor *old_gov;
struct device *cpu_dev = get_cpu_device(policy->cpu);
int ret;
pr_debug("setting new policy for CPU %u: %u - %u kHz\n",
@@ -2386,8 +2382,8 @@ int cpufreq_set_policy(struct cpufreq_policy *policy,
* PM QoS framework collects all the requests from users and provide us
* the final aggregated value here.
*/
new_policy->min = dev_pm_qos_read_value(cpu_dev, DEV_PM_QOS_MIN_FREQUENCY);
new_policy->max = dev_pm_qos_read_value(cpu_dev, DEV_PM_QOS_MAX_FREQUENCY);
new_policy->min = freq_qos_read_value(&policy->constraints, FREQ_QOS_MIN);
new_policy->max = freq_qos_read_value(&policy->constraints, FREQ_QOS_MAX);
/* verify the cpu speed can be set within this limit */
ret = cpufreq_driver->verify(new_policy);
@@ -2518,7 +2514,7 @@ static int cpufreq_boost_set_sw(int state)
break;
}
ret = dev_pm_qos_update_request(policy->max_freq_req, policy->max);
ret = freq_qos_update_request(policy->max_freq_req, policy->max);
if (ret < 0)
break;
}
@@ -2737,14 +2733,6 @@ int cpufreq_unregister_driver(struct cpufreq_driver *driver)
}
EXPORT_SYMBOL_GPL(cpufreq_unregister_driver);
/*
* Stop cpufreq at shutdown to make sure it isn't holding any locks
* or mutexes when secondary CPUs are halted.
*/
static struct syscore_ops cpufreq_syscore_ops = {
.shutdown = cpufreq_suspend,
};
struct kobject *cpufreq_global_kobject;
EXPORT_SYMBOL(cpufreq_global_kobject);
@@ -2756,8 +2744,6 @@ static int __init cpufreq_core_init(void)
cpufreq_global_kobject = kobject_create_and_add("cpufreq", &cpu_subsys.dev_root->kobj);
BUG_ON(!cpufreq_global_kobject);
register_syscore_ops(&cpufreq_syscore_ops);
return 0;
}
module_param(off, int, 0444);