x86: Use this_cpu_has for thermal_interrupt current cpu
It is more effective to use a segment prefix instead of calculating the address of the current cpu area amd then testing flags. Signed-off-by: Christoph Lameter <cl@linux.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Tejun Heo <tj@kernel.org>
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@ -355,7 +355,6 @@ static void notify_thresholds(__u64 msr_val)
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static void intel_thermal_interrupt(void)
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{
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__u64 msr_val;
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struct cpuinfo_x86 *c = &cpu_data(smp_processor_id());
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rdmsrl(MSR_IA32_THERM_STATUS, msr_val);
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@ -367,19 +366,19 @@ static void intel_thermal_interrupt(void)
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CORE_LEVEL) != 0)
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mce_log_therm_throt_event(CORE_THROTTLED | msr_val);
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if (cpu_has(c, X86_FEATURE_PLN))
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if (this_cpu_has(X86_FEATURE_PLN))
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if (therm_throt_process(msr_val & THERM_STATUS_POWER_LIMIT,
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POWER_LIMIT_EVENT,
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CORE_LEVEL) != 0)
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mce_log_therm_throt_event(CORE_POWER_LIMIT | msr_val);
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if (cpu_has(c, X86_FEATURE_PTS)) {
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if (this_cpu_has(X86_FEATURE_PTS)) {
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rdmsrl(MSR_IA32_PACKAGE_THERM_STATUS, msr_val);
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if (therm_throt_process(msr_val & PACKAGE_THERM_STATUS_PROCHOT,
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THERMAL_THROTTLING_EVENT,
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PACKAGE_LEVEL) != 0)
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mce_log_therm_throt_event(PACKAGE_THROTTLED | msr_val);
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if (cpu_has(c, X86_FEATURE_PLN))
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if (this_cpu_has(X86_FEATURE_PLN))
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if (therm_throt_process(msr_val &
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PACKAGE_THERM_STATUS_POWER_LIMIT,
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POWER_LIMIT_EVENT,
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