>Rationale: There seems to be a number of OEMs who forget to supply the
>proper PM2_CNT block address in the FADT, while at the same=20
>proper P_LVL3_LAT. If we stick to the specification, this=20
>means that C3 is
>supported only through WBINVD instruction. As it turns out, such an
>implementation is tricky and unreliable.=20
Why it is unreliable to use WBINVD for supporting C3=20
without using ARB_DIS feature?
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