diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/cpufreq_governor.c | 3 | ||||
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 47e24b5384b3..ce5f3ec7ce71 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -275,6 +275,9 @@ static void dbs_update_util_handler(struct update_util_data *data, u64 time, struct policy_dbs_info *policy_dbs = cdbs->policy_dbs; u64 delta_ns, lst; + if (!cpufreq_can_do_remote_dvfs(policy_dbs->policy)) + return; + /* * The work may not be allowed to be queued up right now. * Possible reasons: diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 6cd503525638..d299b86a5a00 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1747,6 +1747,10 @@ static void intel_pstate_update_util_pid(struct update_util_data *data, struct cpudata *cpu = container_of(data, struct cpudata, update_util); u64 delta_ns = time - cpu->sample.time; + /* Don't allow remote callbacks */ + if (smp_processor_id() != cpu->cpu) + return; + if ((s64)delta_ns < pid_params.sample_rate_ns) return; @@ -1764,6 +1768,10 @@ static void intel_pstate_update_util(struct update_util_data *data, u64 time, struct cpudata *cpu = container_of(data, struct cpudata, update_util); u64 delta_ns; + /* Don't allow remote callbacks */ + if (smp_processor_id() != cpu->cpu) + return; + if (flags & SCHED_CPUFREQ_IOWAIT) { cpu->iowait_boost = int_tofp(1); } else if (cpu->iowait_boost) { |