RE: [PATCH] x86: also disable FSRM if ERMS is disabled

[Luck, Tony]

>> The Intel SDM says: "Software can disable fast-string operation by
>> clearing the fast-string-enable bit (bit 0) of IA32_MISC_ENABLE MSR",
>> so it's not an invalid configuration for this bit to be unset.
>
> Dunno, did Intel folks think about clearing the respective CPUID bits
> when exposing IA32_MISC_ENABLE[0] to software? Tony?

I don't know if it was thought about. Experimentally clearing bit
0 of IA32_MISC_ENABLE does not affect the CPUID bit settings
for either ERMS or FSRM (on the one system I tried that supports
both of these bits).

-Tony