linux-kernel - Re: [PATCH RESEND v2 02/12] firmware: smccc: coco: Manage arm-smccc platform device and CCA auxiliary drivers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <yq5a1pk2kjjc.fsf@kernel.org>
Date: Tue, 06 Jan 2026 18:03:27 +0530
From: Aneesh Kumar K.V <aneesh.kumar@...nel.org>
To: linux-coco@...ts.linux.dev, kvmarm@...ts.linux.dev,
	Mark Rutland <mark.rutland@....com>
Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
	dan.j.williams@...el.com, aik@....com, lukas@...ner.de,
	Samuel Ortiz <sameo@...osinc.com>,
	Xu Yilun <yilun.xu@...ux.intel.com>,
	Jason Gunthorpe <jgg@...pe.ca>,
	Suzuki K Poulose <Suzuki.Poulose@....com>,
	Steven Price <steven.price@....com>,
	Bjorn Helgaas <helgaas@...nel.org>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Marc Zyngier <maz@...nel.org>, Will Deacon <will@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Jeremy Linton <jeremy.linton@....com>,
	Greg KH <gregkh@...uxfoundation.org>,
	Mark Rutland <mark.rutland@....com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Sudeep Holla <sudeep.holla@....com>
Subject: Re: [PATCH RESEND v2 02/12] firmware: smccc: coco: Manage arm-smccc
 platform device and CCA auxiliary drivers


Hi Mark,

"Aneesh Kumar K.V (Arm)" <aneesh.kumar@...nel.org> writes:

> Make the SMCCC driver responsible for registering the arm-smccc platform
> device and after confirming the relevant SMCCC function IDs, create
> the arm_cca_guest auxiliary device.
>
> Also update the arm-cca-guest driver to use the auxiliary device
> interface instead of the platform device (arm-cca-dev). The removal of
> the platform device registration will follow in a subsequent patch,
> allowing this change to be applied without immediately breaking existing
> userspace dependencies [1].
>
> [1] https://lore.kernel.org/all/4a7d84b2-2ec4-4773-a2d5-7b63d5c683cf@arm.com
> Cc: Jeremy Linton <jeremy.linton@....com>
> Cc: Greg KH <gregkh@...uxfoundation.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Lorenzo Pieralisi <lpieralisi@...nel.org>
> Cc: Sudeep Holla <sudeep.holla@....com>
> Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@...nel.org>
>

Just a gentle ping on this patch — any feedback would be much appreciated.

-aneesh