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([2001:b07:6468:f312:d80e:a78:c27b:93ed]) by smtp.gmail.com with ESMTPSA id y6sm3961186wrn.41.2020.09.24.07.27.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Sep 2020 07:27:53 -0700 (PDT) Subject: Re: qtest with multiple driver instances To: Thomas Huth , Christian Schoenebeck , qemu-devel@nongnu.org References: <4696583.mNQJtTt8NE@silver> <7ae8f0cc-021e-d982-4d1d-a46afc37bf28@redhat.com> From: Paolo Bonzini Message-ID: Date: Thu, 24 Sep 2020 16:27:53 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <7ae8f0cc-021e-d982-4d1d-a46afc37bf28@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/24 01:10:00 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.199, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.214, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Emanuele Giuseppe Esposito , Greg Kurz Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 24/09/20 15:50, Thomas Huth wrote: >> Is there any workaround or something that I didn't see? Like letting qtests >> reference a driver instance by PCI address or something? The simplest way around this limitation is to move the -fsdev option from the .before_cmd_line of the virtio-9p-*'s nodes to the .before function of the test. You can see an example in qtest/virtio-net-test.c. It was done like this in virtio-9p simply because we only needed synth fsdevs. Paolo