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GET /api/patches/2226818/?format=api
{ "id": 2226818, "url": "http://patchwork.ozlabs.org/api/patches/2226818/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422195746.88865-31-philmd@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260422195746.88865-31-philmd@linaro.org>", "list_archive_url": null, "date": "2026-04-22T19:57:28", "name": "[PULL,30/48] qom: Restrict compat properties API to system emulation", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5fc1ac13af1d0726b031e856fef40f6c04a65f16", "submitter": { "id": 85046, "url": "http://patchwork.ozlabs.org/api/people/85046/?format=api", "name": "Philippe Mathieu-Daudé", "email": "philmd@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422195746.88865-31-philmd@linaro.org/mbox/", "series": [ { "id": 501099, "url": "http://patchwork.ozlabs.org/api/series/501099/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501099", "date": "2026-04-22T19:56:59", "name": "[PULL,01/48] hw/avr: Build as common unit files", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501099/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226818/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226818/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=tMR99FMw;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2a00:1450:4864:20::335;\n envelope-from=philmd@linaro.org; helo=mail-wm1-x335.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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": "qemu development <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Move compat properties API definitions to their own file\nunit, compile it only when system emulation is configured.\nAdd a pair of stubs for user emulation.\n\nSigned-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>\nReviewed-by: Michael Tokarev <mjt@tls.msk.ru>\nMessage-Id: <20260325151728.45378-6-philmd@linaro.org>\n---\n MAINTAINERS | 1 +\n qom/compat-properties.c | 116 ++++++++++++++++++++++++++++++++++\n qom/object.c | 100 -----------------------------\n stubs/qom-compat-properties.c | 20 ++++++\n qom/meson.build | 3 +\n stubs/meson.build | 1 +\n 6 files changed, 141 insertions(+), 100 deletions(-)\n create mode 100644 qom/compat-properties.c\n create mode 100644 stubs/qom-compat-properties.c", "diff": "diff --git a/MAINTAINERS b/MAINTAINERS\nindex ad215eced84..54e15c04e59 100644\n--- a/MAINTAINERS\n+++ b/MAINTAINERS\n@@ -3551,6 +3551,7 @@ F: qapi/qom.json\n F: scripts/coccinelle/qom-parent-type.cocci\n F: scripts/qom-cast-macro-clean-cocci-gen.py\n F: qom/\n+F: stubs/qom-compat-properties.c\n F: tests/unit/check-qom-interface.c\n F: tests/unit/check-qom-proplist.c\n F: tests/qtest/qom-test.c\ndiff --git a/qom/compat-properties.c b/qom/compat-properties.c\nnew file mode 100644\nindex 00000000000..f8d9b0036ae\n--- /dev/null\n+++ b/qom/compat-properties.c\n@@ -0,0 +1,116 @@\n+/*\n+ * QEMU Object Model\n+ *\n+ * Copyright IBM, Corp. 2011\n+ *\n+ * Authors:\n+ * Anthony Liguori <aliguori@us.ibm.com>\n+ *\n+ * SPDX-License-Identifier: GPL-2.0-or-later\n+ */\n+\n+#include \"qemu/osdep.h\"\n+#include \"qapi/error.h\"\n+#include \"qom/compat-properties.h\"\n+#include \"qom/qom-qobject.h\"\n+#include \"hw/core/qdev.h\"\n+\n+bool object_apply_global_props(Object *obj, const GPtrArray *props,\n+ Error **errp)\n+{\n+ int i;\n+\n+ if (!props) {\n+ return true;\n+ }\n+\n+ for (i = 0; i < props->len; i++) {\n+ GlobalProperty *p = g_ptr_array_index(props, i);\n+ Error *err = NULL;\n+\n+ if (object_dynamic_cast(obj, p->driver) == NULL) {\n+ continue;\n+ }\n+ if (p->optional && !object_property_find(obj, p->property)) {\n+ continue;\n+ }\n+ p->used = true;\n+ if (!object_property_parse(obj, p->property, p->value, &err)) {\n+ error_prepend(&err, \"can't apply global %s.%s=%s: \",\n+ p->driver, p->property, p->value);\n+ /*\n+ * If errp != NULL, propagate error and return.\n+ * If errp == NULL, report a warning, but keep going\n+ * with the remaining globals.\n+ */\n+ if (errp) {\n+ error_propagate(errp, err);\n+ return false;\n+ } else {\n+ warn_report_err(err);\n+ }\n+ }\n+ }\n+\n+ return true;\n+}\n+\n+/*\n+ * Global property defaults\n+ * Slot 0: accelerator's global property defaults\n+ * Slot 1: machine's global property defaults\n+ * Slot 2: global properties from legacy command line option\n+ * Each is a GPtrArray of GlobalProperty.\n+ * Applied in order, later entries override earlier ones.\n+ */\n+static GPtrArray *object_compat_props[3];\n+\n+/*\n+ * Retrieve @GPtrArray for global property defined with options\n+ * other than \"-global\". These are generally used for syntactic\n+ * sugar and legacy command line options.\n+ */\n+void object_register_sugar_prop(const char *driver, const char *prop,\n+ const char *value, bool optional)\n+{\n+ GlobalProperty *g;\n+ if (!object_compat_props[2]) {\n+ object_compat_props[2] = g_ptr_array_new();\n+ }\n+ g = g_new0(GlobalProperty, 1);\n+ g->driver = g_strdup(driver);\n+ g->property = g_strdup(prop);\n+ g->value = g_strdup(value);\n+ g->optional = optional;\n+ g_ptr_array_add(object_compat_props[2], g);\n+}\n+\n+/*\n+ * Set machine's global property defaults to @compat_props.\n+ * May be called at most once.\n+ */\n+void object_set_machine_compat_props(GPtrArray *compat_props)\n+{\n+ assert(!object_compat_props[1]);\n+ object_compat_props[1] = compat_props;\n+}\n+\n+/*\n+ * Set accelerator's global property defaults to @compat_props.\n+ * May be called at most once.\n+ */\n+void object_set_accelerator_compat_props(GPtrArray *compat_props)\n+{\n+ assert(!object_compat_props[0]);\n+ object_compat_props[0] = compat_props;\n+}\n+\n+void object_apply_compat_props(Object *obj)\n+{\n+ int i;\n+\n+ for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) {\n+ object_apply_global_props(obj, object_compat_props[i],\n+ i == 2 ? &error_fatal : &error_abort);\n+ }\n+}\ndiff --git a/qom/object.c b/qom/object.c\nindex 838b1d2b225..f00d659ef0f 100644\n--- a/qom/object.c\n+++ b/qom/object.c\n@@ -440,106 +440,6 @@ static void object_post_init_with_type(Object *obj, TypeImpl *ti)\n }\n }\n \n-bool object_apply_global_props(Object *obj, const GPtrArray *props,\n- Error **errp)\n-{\n- int i;\n-\n- if (!props) {\n- return true;\n- }\n-\n- for (i = 0; i < props->len; i++) {\n- GlobalProperty *p = g_ptr_array_index(props, i);\n- Error *err = NULL;\n-\n- if (object_dynamic_cast(obj, p->driver) == NULL) {\n- continue;\n- }\n- if (p->optional && !object_property_find(obj, p->property)) {\n- continue;\n- }\n- p->used = true;\n- if (!object_property_parse(obj, p->property, p->value, &err)) {\n- error_prepend(&err, \"can't apply global %s.%s=%s: \",\n- p->driver, p->property, p->value);\n- /*\n- * If errp != NULL, propagate error and return.\n- * If errp == NULL, report a warning, but keep going\n- * with the remaining globals.\n- */\n- if (errp) {\n- error_propagate(errp, err);\n- return false;\n- } else {\n- warn_report_err(err);\n- }\n- }\n- }\n-\n- return true;\n-}\n-\n-/*\n- * Global property defaults\n- * Slot 0: accelerator's global property defaults\n- * Slot 1: machine's global property defaults\n- * Slot 2: global properties from legacy command line option\n- * Each is a GPtrArray of GlobalProperty.\n- * Applied in order, later entries override earlier ones.\n- */\n-static GPtrArray *object_compat_props[3];\n-\n-/*\n- * Retrieve @GPtrArray for global property defined with options\n- * other than \"-global\". These are generally used for syntactic\n- * sugar and legacy command line options.\n- */\n-void object_register_sugar_prop(const char *driver, const char *prop,\n- const char *value, bool optional)\n-{\n- GlobalProperty *g;\n- if (!object_compat_props[2]) {\n- object_compat_props[2] = g_ptr_array_new();\n- }\n- g = g_new0(GlobalProperty, 1);\n- g->driver = g_strdup(driver);\n- g->property = g_strdup(prop);\n- g->value = g_strdup(value);\n- g->optional = optional;\n- g_ptr_array_add(object_compat_props[2], g);\n-}\n-\n-/*\n- * Set machine's global property defaults to @compat_props.\n- * May be called at most once.\n- */\n-void object_set_machine_compat_props(GPtrArray *compat_props)\n-{\n- assert(!object_compat_props[1]);\n- object_compat_props[1] = compat_props;\n-}\n-\n-/*\n- * Set accelerator's global property defaults to @compat_props.\n- * May be called at most once.\n- */\n-void object_set_accelerator_compat_props(GPtrArray *compat_props)\n-{\n- assert(!object_compat_props[0]);\n- object_compat_props[0] = compat_props;\n-}\n-\n-void object_apply_compat_props(Object *obj)\n-{\n- int i;\n-\n- for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) {\n- object_apply_global_props(obj, object_compat_props[i],\n- i == 2 ? &error_fatal : &error_abort);\n- }\n-}\n-\n static void object_class_property_init_all(Object *obj)\n {\n ObjectPropertyIterator iter;\ndiff --git a/stubs/qom-compat-properties.c b/stubs/qom-compat-properties.c\nnew file mode 100644\nindex 00000000000..f9282aeed27\n--- /dev/null\n+++ b/stubs/qom-compat-properties.c\n@@ -0,0 +1,20 @@\n+/*\n+ * QEMU Object Model (compat properties stubs for user emulation)\n+ *\n+ * Copyright (c) Linaro\n+ *\n+ * SPDX-License-Identifier: GPL-2.0-or-later\n+ */\n+\n+#include \"qemu/osdep.h\"\n+#include \"qom/compat-properties.h\"\n+\n+void object_apply_compat_props(Object *obj)\n+{\n+}\n+\n+bool object_apply_global_props(Object *obj, const GPtrArray *props,\n+ Error **errp)\n+{\n+ return true;\n+}\ndiff --git a/qom/meson.build b/qom/meson.build\nindex 81922434309..bd6f4aadd78 100644\n--- a/qom/meson.build\n+++ b/qom/meson.build\n@@ -5,6 +5,9 @@ qom_ss.add(files(\n 'object_interfaces.c',\n 'qom-qobject.c',\n ))\n+if have_system\n+ qom_ss.add(files('compat-properties.c'))\n+endif\n \n qmp_ss.add(files('qom-qmp-cmds.c'))\n system_ss.add(files('qom-hmp-cmds.c'))\ndiff --git a/stubs/meson.build b/stubs/meson.build\nindex 7189ff63ed5..f33b1d2a089 100644\n--- a/stubs/meson.build\n+++ b/stubs/meson.build\n@@ -54,6 +54,7 @@ if have_user\n # Symbols that are used by hw/core.\n stub_ss.add(files('cpu-synchronize-state.c'))\n stub_ss.add(files('cpu-destroy-address-spaces.c'))\n+ stub_ss.add(files('qom-compat-properties.c'))\n \n # Stubs for QAPI events. Those can always be included in the build, but\n # they are not built at all for --disable-system builds.\n", "prefixes": [ "PULL", "30/48" ] }