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

From: Jason Gunthorpe

Date: Fri Sep 04 2026 - 16:03:22 EST


On Fri, 04 Sep 2026 15:19:57 +0530, Aneesh Kumar K.V (Arm) <aneesh.kumar@xxxxxxxxxx> 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@xxxxxxxxxx>

--
Jason