cpufreq / intel_pstate: Add function to check that all MSRs are valid

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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>

...

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Dirk Brandewie 2013-03-22 01:29:28 +01:00 • committed by Rafael J. Wysocki

parent 8bb9660418

commit b563b4e3f2

1 changed files with 26 additions and 0 deletions

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drivers/cpufreq/intel_pstate.c

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