On Fri, Jul 29, 2022 at 02:46:27PM -0700, Pawan Gupta wrote:
> Let me see if there is a way to distinguish between 4. and 5. below:
>
> CPU category X86_BUG_MMIO_STALE_DATA X86_BUG_MMIO_UNKNOWN
> -----------------------------------------------------------------------------------------------
> 1. Known affected (in cpu list) 1 0
> 2. CPUs with HW immunity (MMIO_NO=1) 0 0
> 3. Other vendors 0 0
> 4. Older Intel CPUs 0 1
> 5. Not affected current CPUs (but MMIO_NO=0) 0 ?
Not affected current CPUs should be arch_cap_mmio_immune() == true, no?
--
Regards/Gruss,
Boris.
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