[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH] x86/Intel: use CPUID bit to determine PPIN availability
On 17/01/2022 15:30, Jan Beulich wrote: > As of SDM revision 076 there is a CPUID bit for this functionality. Use > it to amend the existing model-based logic. > > Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> https://lore.kernel.org/lkml/20220107225442.1690165-1-tony.luck@xxxxxxxxx/T/#u suggests that Sapphire Rapids also needs the model specific treatment. I agree with the "only-expose-on-error" observation, so perhaps we ought to make these details available to the hardware domain in a suitable form. ~Andrew
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