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19187c464b
The lowest 4 bits of the MSR serves as a hint to the hardware to favor performance or energy saving. 0 means a hint preference for highest performance while 15 corresponds to the maximum energy savings. A value of 7 translates into a hint to balance performance with energy savings. The default reset value of the MSR is 0. If BIOS doesn't intialize the MSR, the hardware will run in performance state. This patch initialize the MSR with value of 7 for balance between performance and energy savings Signed-off-by: Fredrik Holmqvist <fredrik.holmqvist@gmail.com>