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[99.254.114.190]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-464680d6826sm14632881cf.15.2024.11.20.13.57.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Nov 2024 13:57:30 -0800 (PST) From: Peter Xu To: qemu-devel@nongnu.org Cc: Eduardo Habkost , Peter Maydell , Markus Armbruster , peterx@redhat.com, =?utf-8?q?Daniel_?= =?utf-8?q?P_=2E_Berrang=C3=A9?= , Juraj Marcin , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , =?utf-8?q?C?= =?utf-8?q?=C3=A9dric_Le_Goater?= , Paolo Bonzini , Fabiano Rosas Subject: [PATCH 12/12] qom: Drop container_get() Date: Wed, 20 Nov 2024 16:57:03 -0500 Message-ID: <20241120215703.3918445-13-peterx@redhat.com> X-Mailer: git-send-email 2.45.0 In-Reply-To: <20241120215703.3918445-1-peterx@redhat.com> References: <20241120215703.3918445-1-peterx@redhat.com> MIME-Version: 1.0 Received-SPF: pass client-ip=170.10.133.124; envelope-from=peterx@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.143, 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: 2.1.29 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 Now we should be ready to always create containers upfront, meanwhile we have explicit helpers to fetch either: - Root containers (object_get_container()), or - Machine containers (machine_get_container()). Change all rest container_get() users to use the explicit & fast version of container lookup helpers, finally remove container_get(). Suggested-by: Daniel P. Berrangé Suggested-by: Markus Armbruster Signed-off-by: Peter Xu Reviewed-by: Daniel P. Berrangé --- include/qom/object.h | 12 ------------ backends/cryptodev.c | 4 ++-- chardev/char.c | 2 +- hw/core/gpio.c | 3 +-- hw/core/qdev.c | 3 +-- hw/core/sysbus.c | 4 ++-- hw/i386/pc.c | 4 ++-- qom/container.c | 23 ----------------------- qom/object.c | 2 +- scsi/pr-manager.c | 4 ++-- system/ioport.c | 2 +- system/memory.c | 2 +- system/qdev-monitor.c | 6 +++--- system/vl.c | 3 +-- ui/dbus-chardev.c | 2 +- 15 files changed, 19 insertions(+), 57 deletions(-) diff --git a/include/qom/object.h b/include/qom/object.h index 87b13f9681..c6e7a7fc08 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -2031,18 +2031,6 @@ int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), int object_child_foreach_recursive(Object *obj, int (*fn)(Object *child, void *opaque), void *opaque); -/** - * container_get: - * @root: root of the #path, e.g., object_get_root() - * @path: path to the container - * - * Return a container object whose path is @path. Create more containers - * along the path if necessary. - * - * Returns: the container object. - */ -Object *container_get(Object *root, const char *path); - /** * container_create: diff --git a/backends/cryptodev.c b/backends/cryptodev.c index d8bd2a1ae6..263de4913b 100644 --- a/backends/cryptodev.c +++ b/backends/cryptodev.c @@ -97,7 +97,7 @@ static int qmp_query_cryptodev_foreach(Object *obj, void *data) QCryptodevInfoList *qmp_query_cryptodev(Error **errp) { QCryptodevInfoList *list = NULL; - Object *objs = container_get(object_get_root(), "/objects"); + Object *objs = object_get_container("objects"); object_child_foreach(objs, qmp_query_cryptodev_foreach, &list); @@ -557,7 +557,7 @@ static void cryptodev_backend_stats_cb(StatsResultList **result, switch (target) { case STATS_TARGET_CRYPTODEV: { - Object *objs = container_get(object_get_root(), "/objects"); + Object *objs = object_get_container("objects"); StatsArgs stats_args; stats_args.result.stats = result; stats_args.names = names; diff --git a/chardev/char.c b/chardev/char.c index a1722aa076..22fc5f7f76 100644 --- a/chardev/char.c +++ b/chardev/char.c @@ -48,7 +48,7 @@ Object *get_chardevs_root(void) { - return container_get(object_get_root(), "/chardevs"); + return object_get_container("chardevs"); } static void chr_be_event(Chardev *s, QEMUChrEvent event) diff --git a/hw/core/gpio.c b/hw/core/gpio.c index 80d07a6ec9..6e32a8eec6 100644 --- a/hw/core/gpio.c +++ b/hw/core/gpio.c @@ -121,8 +121,7 @@ void qdev_connect_gpio_out_named(DeviceState *dev, const char *name, int n, name ? name : "unnamed-gpio-out", n); if (input_pin && !OBJECT(input_pin)->parent) { /* We need a name for object_property_set_link to work */ - object_property_add_child(container_get(qdev_get_machine(), - "/unattached"), + object_property_add_child(machine_get_container("unattached"), "non-qdev-gpio[*]", OBJECT(input_pin)); } object_property_set_link(OBJECT(dev), propname, diff --git a/hw/core/qdev.c b/hw/core/qdev.c index 6cb4fe4691..8051961fe5 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -476,8 +476,7 @@ static void device_set_realized(Object *obj, bool value, Error **errp) if (!obj->parent) { gchar *name = g_strdup_printf("device[%d]", unattached_count++); - object_property_add_child(container_get(qdev_get_machine(), - "/unattached"), + object_property_add_child(machine_get_container("unattached"), name, obj); unattached_parent = true; g_free(name); diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c index e64d99c8ed..9355849ff0 100644 --- a/hw/core/sysbus.c +++ b/hw/core/sysbus.c @@ -65,9 +65,9 @@ void foreach_dynamic_sysbus_device(FindSysbusDeviceFunc *func, void *opaque) }; /* Loop through all sysbus devices that were spawned outside the machine */ - container = container_get(qdev_get_machine(), "/peripheral"); + container = machine_get_container("peripheral"); find_sysbus_device(container, &find); - container = container_get(qdev_get_machine(), "/peripheral-anon"); + container = machine_get_container("peripheral-anon"); find_sysbus_device(container, &find); } diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 317aaca25a..b8ec2506e1 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -460,7 +460,7 @@ static int check_fdc(Object *obj, void *opaque) } static const char * const fdc_container_path[] = { - "/unattached", "/peripheral", "/peripheral-anon" + "unattached", "peripheral", "peripheral-anon" }; /* @@ -474,7 +474,7 @@ static ISADevice *pc_find_fdc0(void) CheckFdcState state = { 0 }; for (i = 0; i < ARRAY_SIZE(fdc_container_path); i++) { - container = container_get(qdev_get_machine(), fdc_container_path[i]); + container = machine_get_container(fdc_container_path[i]); object_child_foreach(container, check_fdc, &state); } diff --git a/qom/container.c b/qom/container.c index da657754a4..5e36fb8773 100644 --- a/qom/container.c +++ b/qom/container.c @@ -38,27 +38,4 @@ Object *container_create(Object *obj, const char *name) return child; } -Object *container_get(Object *root, const char *path) -{ - Object *obj, *child; - char **parts; - int i; - - parts = g_strsplit(path, "/", 0); - assert(parts != NULL && parts[0] != NULL && !parts[0][0]); - obj = root; - - for (i = 1; parts[i] != NULL; i++, obj = child) { - child = object_resolve_path_component(obj, parts[i]); - if (!child) { - child = container_create(obj, parts[i]); - } - } - - g_strfreev(parts); - - return obj; -} - - type_init(container_register_types) diff --git a/qom/object.c b/qom/object.c index cf66803a6a..aeb04c483c 100644 --- a/qom/object.c +++ b/qom/object.c @@ -1771,7 +1771,7 @@ Object *object_get_root(void) Object *object_get_objects_root(void) { - return container_get(object_get_root(), "/objects"); + return object_get_container("objects"); } Object *object_get_internal_root(void) diff --git a/scsi/pr-manager.c b/scsi/pr-manager.c index fb5fc29730..1977d99ce0 100644 --- a/scsi/pr-manager.c +++ b/scsi/pr-manager.c @@ -21,7 +21,7 @@ #include "qemu/module.h" #include "qapi/qapi-commands-block.h" -#define PR_MANAGER_PATH "/objects" +#define PR_MANAGER_PATH "objects" typedef struct PRManagerData { PRManager *pr_mgr; @@ -135,7 +135,7 @@ PRManagerInfoList *qmp_query_pr_managers(Error **errp) { PRManagerInfoList *head = NULL; PRManagerInfoList **prev = &head; - Object *container = container_get(object_get_root(), PR_MANAGER_PATH); + Object *container = object_get_container(PR_MANAGER_PATH); object_child_foreach(container, query_one_pr_manager, &prev); return head; diff --git a/system/ioport.c b/system/ioport.c index fd551d0375..55c2a75239 100644 --- a/system/ioport.c +++ b/system/ioport.c @@ -258,7 +258,7 @@ static void portio_list_add_1(PortioList *piolist, object_ref(&mrpio->mr); object_unparent(OBJECT(&mrpio->mr)); if (!piolist->owner) { - owner = container_get(qdev_get_machine(), "/unattached"); + owner = machine_get_container("unattached"); } else { owner = piolist->owner; } diff --git a/system/memory.c b/system/memory.c index 85f6834cb3..fba351b030 100644 --- a/system/memory.c +++ b/system/memory.c @@ -1238,7 +1238,7 @@ static void memory_region_do_init(MemoryRegion *mr, char *name_array = g_strdup_printf("%s[*]", escaped_name); if (!owner) { - owner = container_get(qdev_get_machine(), "/unattached"); + owner = machine_get_container("unattached"); } object_property_add_child(owner, name_array, OBJECT(mr)); diff --git a/system/qdev-monitor.c b/system/qdev-monitor.c index 4c09b38ffb..4d46af2c8d 100644 --- a/system/qdev-monitor.c +++ b/system/qdev-monitor.c @@ -348,7 +348,7 @@ static Object *qdev_get_peripheral(void) static Object *dev; if (dev == NULL) { - dev = container_get(qdev_get_machine(), "/peripheral"); + dev = machine_get_container("peripheral"); } return dev; @@ -359,7 +359,7 @@ static Object *qdev_get_peripheral_anon(void) static Object *dev; if (dev == NULL) { - dev = container_get(qdev_get_machine(), "/peripheral-anon"); + dev = machine_get_container("peripheral-anon"); } return dev; @@ -1085,7 +1085,7 @@ static GSList *qdev_build_hotpluggable_device_list(Object *peripheral) static void peripheral_device_del_completion(ReadLineState *rs, const char *str) { - Object *peripheral = container_get(qdev_get_machine(), "/peripheral"); + Object *peripheral = machine_get_container("peripheral"); GSList *list, *item; list = qdev_build_hotpluggable_device_list(peripheral); diff --git a/system/vl.c b/system/vl.c index 3bb8f2db9a..822f7ff656 100644 --- a/system/vl.c +++ b/system/vl.c @@ -2120,8 +2120,7 @@ static void qemu_create_machine(QDict *qdict) current_machine = MACHINE(object_new_with_class(OBJECT_CLASS(machine_class))); object_property_add_child(object_get_root(), "machine", OBJECT(current_machine)); - object_property_add_child(container_get(OBJECT(current_machine), - "/unattached"), + object_property_add_child(machine_get_container("unattached"), "sysbus", OBJECT(sysbus_get_default())); if (machine_class->minimum_page_bits) { diff --git a/ui/dbus-chardev.c b/ui/dbus-chardev.c index 1d3a7122a1..bf061cbc93 100644 --- a/ui/dbus-chardev.c +++ b/ui/dbus-chardev.c @@ -106,7 +106,7 @@ dbus_chardev_init(DBusDisplay *dpy) dpy->notifier.notify = dbus_display_on_notify; dbus_display_notifier_add(&dpy->notifier); - object_child_foreach(container_get(object_get_root(), "/chardevs"), + object_child_foreach(object_get_container("chardevs"), dbus_display_chardev_foreach, dpy); }