diff options
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 04dd5f46803d..0c50637e6bda 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -1746,6 +1746,10 @@ 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; @@ -1763,6 +1767,10 @@ 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) { |