在FADT table中有个字段prederred_PM_profile,在SPEC中是如下叙述的 6 M$ r$ M D" _: x; x/ z0 c! \, {4 P& u; V! @3 c) A
This field is set by the OEM to convey the preferred power ! {8 ^- e. h1 m! R2 u( w1 v. q
management profile to OSPM. OSPM can use this field to set 4 W e6 T; J6 M+ S3 ^
default power management policy parameters during OS / N: T" ?( ?. d7 Q8 r
installation. : X& d* |* h9 W) V- g5 i% p
但是在实作中,确感觉不到这个有什么差异,有哪个兄弟清楚不?