Victor Sun 1fe5711170 HV: validate pstate by checking px ctl range ...

The previous function just check the pstate target value in PERF_CTL msr
by indexing px data control value which comes from ACPI table, this would
bring a bug in the case that guest is running intel_pstate_driver:
the turbo pstate target value from intel_pstate driver is in a range
instead of fixed value in ACPI _PSS table, thus the turbo px request would
be rejected. This patch fixed this issue.

Tracked-On: #3158

Signed-off-by: Victor Sun <victor.sun@intel.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>

2019-05-24 11:36:54 +08:00

..

x86

HV: validate pstate by checking px ctl range

2019-05-24 11:36:54 +08:00