diff options
| -rw-r--r-- | arch/arm64/kernel/topology.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/arch/arm64/kernel/topology.c b/arch/arm64/kernel/topology.c index f6faa697e83e..ebadc73449f9 100644 --- a/arch/arm64/kernel/topology.c +++ b/arch/arm64/kernel/topology.c @@ -199,14 +199,14 @@ static int freq_inv_set_max_ratio(int cpu, u64 max_rate, u64 ref_rate) return 0; } -static inline bool +static inline void enable_policy_freq_counters(int cpu, cpumask_var_t valid_cpus) { struct cpufreq_policy *policy = cpufreq_cpu_get(cpu); if (!policy) { pr_debug("CPU%d: No cpufreq policy found.\n", cpu); - return false; + return; } if (cpumask_subset(policy->related_cpus, valid_cpus)) @@ -214,8 +214,6 @@ enable_policy_freq_counters(int cpu, cpumask_var_t valid_cpus) amu_fie_cpus); cpufreq_cpu_put(policy); - - return true; } static DEFINE_STATIC_KEY_FALSE(amu_fie_key); @@ -225,7 +223,6 @@ static int __init init_amu_fie(void) { bool invariance_status = topology_scale_freq_invariant(); cpumask_var_t valid_cpus; - bool have_policy = false; int ret = 0; int cpu; @@ -245,17 +242,12 @@ static int __init init_amu_fie(void) continue; cpumask_set_cpu(cpu, valid_cpus); - have_policy |= enable_policy_freq_counters(cpu, valid_cpus); + enable_policy_freq_counters(cpu, valid_cpus); } - /* - * If we are not restricted by cpufreq policies, we only enable - * the use of the AMU feature for FIE if all CPUs support AMU. - * Otherwise, enable_policy_freq_counters has already enabled - * policy cpus. - */ - if (!have_policy && cpumask_equal(valid_cpus, cpu_present_mask)) - cpumask_or(amu_fie_cpus, amu_fie_cpus, valid_cpus); + /* Overwrite amu_fie_cpus if all CPUs support AMU */ + if (cpumask_equal(valid_cpus, cpu_present_mask)) + cpumask_copy(amu_fie_cpus, cpu_present_mask); if (!cpumask_empty(amu_fie_cpus)) { pr_info("CPUs[%*pbl]: counters will be used for FIE.", |