[PATCH 1/2] powerpc/pseries: Add a clear modifier to ibm,pa/pi-features parser

Michael Ellerman patch-notifications at ellerman.id.au
Mon Feb 26 16:56:48 AEDT 2024


On Wed, 07 Feb 2024 13:52:18 +1000, Nicholas Piggin wrote:
> When a new ibm,pa/pi-features bit is introduced that is intended to
> apply to existing systems and features, it may have an "inverted"
> meaning (i.e., bit clear => feature available; bit set => unavailable).
> Depending on the nature of the feature, this may give the best
> backward compatibility result where old firmware will continue to
> have that bit clear and therefore the feature available.
> 
> [...]

Applied to powerpc/next.

[1/2] powerpc/pseries: Add a clear modifier to ibm,pa/pi-features parser
      https://git.kernel.org/powerpc/c/8b338061065b1871fc9ec53bd772321c15363123
[2/2] powerpc/pseries: Set CPU_FTR_DBELL according to ibm,pi-features
      https://git.kernel.org/powerpc/c/6e9de2054eb417d6e05561b19c825c29b424b475

cheers


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