Re: [PATCH] arm64: topology: Stop using MPIDR for topology information

[Will Deacon]

On Sat, 29 Aug 2020 14:00:16 +0100, Valentin Schneider wrote:
> In the absence of ACPI or DT topology data, we fallback to haphazardly
> decoding *something* out of MPIDR. Sadly, the contents of that register are
> mostly unusable due to the implementation leniancy and things like Aff0
> having to be capped to 15 (despite being encoded on 8 bits).
> 
> Consider a simple system with a single package of 32 cores, all under the
> same LLC. We ought to be shoving them in the same core_sibling mask, but
> MPIDR is going to look like:
> 
> [...]

Applied to arm64 (for-next/topology), thanks!

[1/1] arm64: topology: Stop using MPIDR for topology information
      https://git.kernel.org/arm64/c/3102bc0e6ac7

Cheers,
-- 
Will

https://fixes.arm64.dev
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