Messages in this thread | | | Date | Mon, 29 Apr 2024 07:34:05 +0530 | Subject | Re: [PATCH] arm64/sysreg: Update ID_AA64MMFR2_EL1 register | From | Anshuman Khandual <> |
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On 4/23/24 10:47, Mark Brown wrote: > On Mon, Apr 22, 2024 at 06:16:13PM +0100, Will Deacon wrote: >> On Mon, Apr 22, 2024 at 08:38:40AM +0530, Anshuman Khandual wrote: > >>> This is not being used currently but will be required for upcoming >>> features. I was under the impression that register fields (atleast >>> for the ID registers) should be kept updated, with latest released >>> spec ? Besides lately arch/arm64/tools/sysreg serves as very good >>> reference for all necessary register fields. > >> Why? The linux headers aren't documenting the architecture. > > I don't know that it's something that we should be doing apropos of > nothing but if people have done updates and they're not unreasonbly > complicated to review it does seem useful to integrate them to avoid > duplicated work. There have been some issues with that around the ID > registers (which are going to be on the places most prone to this I > guess).
The other problem is by not updating the individual register fields with the latest spec, it also gives an wrong impression about that field, and also might create confusion.
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