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From: Aneesh Kumar K.V <aneesh.kumar@kernel.org>
To: Catalin Marinas <catalin.marinas@arm.com>
Cc: linux-coco@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Jason Gunthorpe <jgg@nvidia.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	Jeremy Linton <jeremy.linton@arm.com>,
	Jonathan Cameron <jic23@kernel.org>,
	Lorenzo Pieralisi <lpieralisi@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Sudeep Holla <sudeep.holla@arm.com>,
	Will Deacon <will@kernel.org>,
	Steven Price <steven.price@arm.com>,
	Suzuki K Poulose <Suzuki.Poulose@arm.com>,
	Andre Przywara <andre.przywara@arm.com>,
	Suzuki K Poulose <suzuki.poulose@ram.com>
Subject: Re: [PATCH v12 4/7] arm64: realm: Move Realm memory encryption ops
 to RSI code
In-Reply-To: <arDwTjQiqF6VZOau@arm.com>
References: <20260921053807.354802-1-aneesh.kumar@kernel.org>
 <20260921053807.354802-5-aneesh.kumar@kernel.org>
 <arDwTjQiqF6VZOau@arm.com>
Date: Mon, 21 Sep 2026 14:35:31 +0530
Message-ID: <yq5a5wzz3rfo.fsf@kernel.org>
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Catalin Marinas <catalin.marinas@arm.com> writes:

> On Mon, Sep 21, 2026 at 11:08:04AM +0530, Aneesh Kumar K.V (Arm) 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.
>> 
>> No functional changes in this patch.
>> 
>> Reviewed-by: Suzuki K Poulose <suzuki.poulose@ram.com>
>
> Nit: Suzuki's still at arm ;)
>


Will fix. I copied it from:

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

-aneesh