tree f98877f23dd6ac4897d30dfce2ad328c0b48126e
parent bc95a454b6dcf6aa464deef86e18c1770b8682b8
author Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> 1468972321 -0700
committer Rafael J. Wysocki <rafael.j.wysocki@intel.com> 1469104170 +0200

cpufreq: intel_pstate: Check cpuid for MSR_HWP_INTERRUPT

The MSR MSR_HWP_INTERRUPT is valid only when CPUID.06H:EAX[8] = 1, so
check for feature before accessing this MSR.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>