From: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
To: "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
Cc: linux-coco@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Jason Gunthorpe <jgg@nvidia.com>,
Catalin Marinas <catalin.marinas@arm.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
Date: Mon, 21 Sep 2026 15:24:22 -0700 [thread overview]
Message-ID: <20260921152422.00006d80@oss.qualcomm.com> (raw)
In-Reply-To: <20260921053807.354802-5-aneesh.kumar@kernel.org>
On Mon, 21 Sep 2026 11:08:04 +0530
"Aneesh Kumar K.V (Arm)" <aneesh.kumar@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.
>
> No functional changes in this patch.
>
> Reviewed-by: Suzuki K Poulose <suzuki.poulose@ram.com>
> Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
> Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
Mostly for completeness and so I don't read it in a possible v13.
Reviewed-by: Jonathan Cameron <jonathan.cameron@oss.qualcomm.com>
next prev parent reply other threads:[~2026-09-21 22:24 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-21 5:38 [PATCH v12 0/7] Switch Arm SMCCC firmware services to an SMCCC bus Aneesh Kumar K.V (Arm)
2026-09-21 5:38 ` [PATCH v12 1/7] firmware: smccc: Add an Arm " Aneesh Kumar K.V (Arm)
2026-09-21 8:39 ` Catalin Marinas
2026-09-21 9:03 ` Aneesh Kumar K.V
2026-09-21 5:38 ` [PATCH v12 2/7] firmware: hwrng: arm_smccc_trng: Register as an SMCCC device Aneesh Kumar K.V (Arm)
2026-09-21 8:45 ` Catalin Marinas
2026-09-21 9:01 ` Aneesh Kumar K.V
2026-09-21 5:38 ` [PATCH v12 3/7] firmware: arm_rmm: Move RSI support out of arch/arm64 Aneesh Kumar K.V (Arm)
2026-09-21 8:50 ` Catalin Marinas
2026-09-21 5:38 ` [PATCH v12 4/7] arm64: realm: Move Realm memory encryption ops to RSI code Aneesh Kumar K.V (Arm)
2026-09-21 8:52 ` Catalin Marinas
2026-09-21 9:05 ` Aneesh Kumar K.V
2026-09-21 10:00 ` Suzuki K Poulose
2026-09-21 22:24 ` Jonathan Cameron [this message]
2026-09-21 5:38 ` [PATCH v12 5/7] virt: coco: arm-cca-guest: Rename TSM report source file Aneesh Kumar K.V (Arm)
2026-09-21 22:25 ` Jonathan Cameron
2026-09-21 5:38 ` [PATCH v12 6/7] firmware: smccc: arm-cca-guest: Bind the TSM provider to an SMCCC device Aneesh Kumar K.V (Arm)
2026-09-21 5:38 ` [PATCH v12 7/7] coco: guest: arm64: Replace dummy CCA device with sysfs ABI Aneesh Kumar K.V (Arm)
2026-09-21 9:00 ` Catalin Marinas
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