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Tsirkin" To: Daniel =?iso-8859-1?Q?P=2E_Berrang=E9?= Cc: Alex =?iso-8859-1?Q?Benn=E9e?= , Christian Speich , qemu-devel@nongnu.org, Stefano Garzarella Subject: Re: [PATCH] virtio: vhost-user-device: Make user creatable again Message-ID: <20251004133102-mutt-send-email-mst@kernel.org> References: <20250922081403-mutt-send-email-mst@kernel.org> <20250922090748-mutt-send-email-mst@kernel.org> <20250922093013-mutt-send-email-mst@kernel.org> <87y0q6mscw.fsf@draig.linaro.org> <20250929042410-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Received-SPF: pass client-ip=170.10.133.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.477, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Mon, Sep 29, 2025 at 11:07:06AM +0100, Daniel P. Berrangé wrote: > > Well that's because e.g. kvmtest actually depends on pci-testdev. > > IOW it's actually supported. > > This again just sounds like a downstream 'support' rationalization. > I'm still not seeing a compelling reason why the vhost user generic > device should be disabled by default in upstream, especially if we > mark it as an experimental device with an x- prefix. > > With regards, > Daniel We can do that. I am still somewhat puzzled by whether making it unsupported/experimental addresses the actual need, which seems to be to expose it to end users? Once something is used in the field, we can't take it back whether we added x- to the name or not. What are your thoughts if it's not marked as experimental? -- MST