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SubjectRe: linux-next boot error: WARNING in corrupted
On 05-07-19, 16:11, Viresh Kumar wrote:
> This fixes it for me (after faking the failure). @Rafael this needs to
> be merged to the top commit:
>
> 0d4c2a013b32 cpufreq: Add QoS requests for userspace constraints

@Rafael: I have sent V7 of this patch now after merging below diff
(and improving it further). Thanks.

> diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
> index 13c2f119cc0c..5eecd54195a9 100644
> --- a/drivers/cpufreq/cpufreq.c
> +++ b/drivers/cpufreq/cpufreq.c
> @@ -1228,12 +1228,6 @@ static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu)
> goto err_min_qos_notifier;
> }
>
> - policy->min_freq_req = kzalloc(2 * sizeof(*policy->min_freq_req),
> - GFP_KERNEL);
> - if (!policy->min_freq_req)
> - goto err_max_qos_notifier;
> -
> - policy->max_freq_req = policy->min_freq_req + 1;
> INIT_LIST_HEAD(&policy->policy_list);
> init_rwsem(&policy->rwsem);
> spin_lock_init(&policy->transition_lock);
> @@ -1244,9 +1238,6 @@ static struct cpufreq_policy *cpufreq_policy_alloc(unsigned int cpu)
> policy->cpu = cpu;
> return policy;
>
> -err_max_qos_notifier:
> - dev_pm_qos_remove_notifier(dev, &policy->nb_max,
> - DEV_PM_QOS_MAX_FREQUENCY);
> err_min_qos_notifier:
> dev_pm_qos_remove_notifier(dev, &policy->nb_min,
> DEV_PM_QOS_MIN_FREQUENCY);
> @@ -1370,6 +1361,13 @@ static int cpufreq_online(unsigned int cpu)
> add_cpu_dev_symlink(policy, j);
> }
>
> + policy->min_freq_req = kzalloc(2 * sizeof(*policy->min_freq_req),
> + GFP_KERNEL);
> + if (!policy->min_freq_req)
> + goto out_destroy_policy;
> +
> + policy->max_freq_req = policy->min_freq_req + 1;
> +
> ret = dev_pm_qos_add_request(dev, policy->min_freq_req,
> DEV_PM_QOS_MIN_FREQUENCY,
> policy->min);

--
viresh

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