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Tsirkin" , Richard Henderson , Marcel Apfelbaum , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 4/5] hw/char/virtio-serial: Do not expose the 'emergency-write' property Date: Wed, 30 Apr 2025 16:26:08 +0200 Message-ID: <20250430142609.84134-5-philmd@linaro.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250430142609.84134-1-philmd@linaro.org> References: <20250430142609.84134-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::736; envelope-from=philmd@linaro.org; helo=mail-qk1-x736.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1746023252156019100 The VIRTIO_CONSOLE_F_EMERG_WRITE feature bit was only set in the hw_compat_2_7[] array, via the 'emergency-write=3Doff' property. We removed all machines using that array, lets remove that property. All instances have this feature bit set and it can not be disabled. Signed-off-by: Philippe Mathieu-Daud=C3=A9 --- hw/char/virtio-serial-bus.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/hw/char/virtio-serial-bus.c b/hw/char/virtio-serial-bus.c index eb79f5258b6..31bd1b7535d 100644 --- a/hw/char/virtio-serial-bus.c +++ b/hw/char/virtio-serial-bus.c @@ -1019,6 +1019,13 @@ static void virtser_port_device_unrealize(DeviceStat= e *dev) } } =20 +static void virtio_serial_instance_init(Object *obj) +{ + VirtIOSerial *vser =3D VIRTIO_SERIAL(obj); + + vser->host_features |=3D BIT_ULL(VIRTIO_CONSOLE_F_EMERG_WRITE); +} + static void virtio_serial_device_realize(DeviceState *dev, Error **errp) { VirtIODevice *vdev =3D VIRTIO_DEVICE(dev); @@ -1155,8 +1162,6 @@ static const VMStateDescription vmstate_virtio_consol= e =3D { static const Property virtio_serial_properties[] =3D { DEFINE_PROP_UINT32("max_ports", VirtIOSerial, serial.max_virtserial_po= rts, 31), - DEFINE_PROP_BIT64("emergency-write", VirtIOSerial, host_features, - VIRTIO_CONSOLE_F_EMERG_WRITE, true), }; =20 static void virtio_serial_class_init(ObjectClass *klass, const void *data) @@ -1186,6 +1191,7 @@ static void virtio_serial_class_init(ObjectClass *kla= ss, const void *data) static const TypeInfo virtio_device_info =3D { .name =3D TYPE_VIRTIO_SERIAL, .parent =3D TYPE_VIRTIO_DEVICE, + .instance_init =3D virtio_serial_instance_init, .instance_size =3D sizeof(VirtIOSerial), .class_init =3D virtio_serial_class_init, .interfaces =3D (const InterfaceInfo[]) { --=20 2.47.1