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Merge "cpuidle: lpm-levels: Core isolation check to get PM QoS latency"

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qctecmdr 2020-09-20 02:12:29 -07:00 • committed by Gerrit - the friendly Code Review server
commit 5e862167df
1 changed files with 4 additions and 1 deletions
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5
drivers/cpuidle/lpm-levels.c
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@ -149,7 +149,8 @@ static int lpm_cpu_qos_notify(struct notifier_block *nb,
int cpu = nb - dev_pm_qos_nb;
preempt_disable();
if (cpu != smp_processor_id() && cpu_online(cpu))
if (cpu != smp_processor_id() && cpu_online(cpu) &&
!check_cpu_isolated(cpu))
wake_up_if_idle(cpu);
preempt_enable();
@ -657,6 +658,8 @@ static inline uint32_t get_cpus_qos(const struct cpumask *mask)
uint32_t latency = PM_QOS_CPU_DMA_LAT_DEFAULT_VALUE;
for_each_cpu(cpu, mask) {
if (check_cpu_isolated(cpu))
continue;
n = cpuidle_governor_latency_req(cpu);
if (n < latency)
latency = n;