cpufreq / intel_pstate: Add function to check that all MSRs are valid
Some VMs seem to try to implement some MSRs but not all the registers the driver needs. Check to make sure all the MSR that we need are available. If any of the required MSRs are not available refuse to load. References: https://bugzilla.redhat.com/show_bug.cgi?id=922923 Reported-by:Josh Stone <jistone@redhat.com> Signed-off-by:
Dirk Brandewie <dirk.j.brandewie@intel.com> Acked-by:
Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
parent
8bb96604
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