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Wysocki" , Danilo Krummrich , Len Brown , Pasha Tatashin , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, David Matlack , Pasha Tatashin , Jason Miu , Vipin Sharma , Saeed Mahameed , Adithya Jayachandran , Parav Pandit , William Tu , Mike Rapoport , Leon Romanovsky Subject: Re: [PATCH v2 06/10] PCI/LUO: Save and restore driver name Message-ID: <20250929175704.GK2695987@ziepe.ca> References: <20250916-luo-pci-v2-0-c494053c3c08@kernel.org> <20250916-luo-pci-v2-6-c494053c3c08@kernel.org> 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: <20250916-luo-pci-v2-6-c494053c3c08@kernel.org> On Tue, Sep 16, 2025 at 12:45:14AM -0700, Chris Li wrote: > Save the PCI driver name into "struct pci_dev_ser" during the PCI > prepare callback. > > After kexec, use driver_set_override() to ensure the device is > bound only to the saved driver. This doesn't seem like a great idea, driver name should not be made ABI. I would drop this patch and punt to the initrd. We need a more flexible way to manage driver auto binding for CC under initrd control anyhow, the same should be reused for hypervisors to shift driver binding policy to userspace. Jason