Thread (19 messages) 19 messages, 4 authors, 16d ago

Re: [PATCH v12 4/7] arm64: realm: Move Realm memory encryption ops to RSI code

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From: Aneesh Kumar K.V <aneesh.kumar@kernel.org>
Date: 2026-09-21 09:06:07
Also in: linux-arm-kernel, lkml

Catalin Marinas [off-list ref] writes:
On Mon, Sep 21, 2026 at 11:08:04AM +0530, Aneesh Kumar K.V (Arm) wrote:
quoted
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.

No functional changes in this patch.

Reviewed-by: Suzuki K Poulose <redacted>
Nit: Suzuki's still at arm ;)

Will fix. I copied it from:

https://lore.kernel.org/all/bb59b1e0-2550-4a9d-8738-a54e5f106f45@arm.com (local)

-aneesh
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