[PATCH v10 4/7] arm64: realm: Move Realm memory encryption ops to RSI code

Jason Gunthorpe jgg at nvidia.com
Fri Sep 4 12:39:35 PDT 2026


On Fri, 04 Sep 2026 15:19:57 +0530, Aneesh Kumar K.V (Arm) <aneesh.kumar at kernel.org> wrote:
> Realm memory encryption callbacks are CCA-specific. Keep the Realm callback
> registration with the RSI initialization code instead of pageattr.c, which
> only needs to provide the low-level page-attribute transition helper.
> 
> Export __set_memory_enc_dec() within arm64 so the RSI code can wrap it with
> the Realm-specific encrypt/decrypt callbacks and warning policy.
> 
> [...]

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

-- 
Jason



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