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[142.68.128.5]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c378d9fe15sm307375585a.66.2025.02.28.16.28.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Feb 2025 16:28:20 -0800 (PST) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1toAiJ-00000000VMt-2hZA; Fri, 28 Feb 2025 20:28:19 -0400 Date: Fri, 28 Feb 2025 20:28:19 -0400 From: Jason Gunthorpe To: Stefano Garzarella Cc: Jarkko Sakkinen , Thomas Gleixner , Claudio Carvalho , Peter Huewe , x86@kernel.org, Dov Murik , linux-coco@lists.linux.dev, Dionna Glaze , James Bottomley , Ingo Molnar , Joerg Roedel , linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, Dave Hansen , Tom Lendacky , Borislav Petkov , "H. Peter Anvin" Subject: Re: [RFC PATCH v2 5/6] tpm: add SNP SVSM vTPM driver Message-ID: <20250301002819.GO5011@ziepe.ca> References: <20250228170720.144739-1-sgarzare@redhat.com> <20250228170720.144739-6-sgarzare@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250228170720.144739-6-sgarzare@redhat.com> On Fri, Feb 28, 2025 at 06:07:19PM +0100, Stefano Garzarella wrote: > +/* > + * tpm_svsm_remove() lives in .exit.text. For drivers registered via > + * module_platform_driver_probe() this is ok because they cannot get unbound > + * at runtime. So mark the driver struct with __refdata to prevent modpost > + * triggering a section mismatch warning. > + */ ??? Is that really true? I didn't know that I thought you could unbind anything using /sys/../unbind? Jason