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{ "id": 2194834, "url": "http://patchwork.ozlabs.org/api/covers/2194834/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260210032348.987549-1-zhao1.liu@intel.com/", "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": "<20260210032348.987549-1-zhao1.liu@intel.com>", "list_archive_url": null, "date": "2026-02-10T03:23:27", "name": "[v2,00/21] qom: introduce property flags to track external user input", "submitter": { "id": 86545, "url": "http://patchwork.ozlabs.org/api/people/86545/?format=api", "name": "Zhao Liu", "email": "zhao1.liu@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260210032348.987549-1-zhao1.liu@intel.com/mbox/", "series": [ { "id": 491594, "url": "http://patchwork.ozlabs.org/api/series/491594/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491594", "date": "2026-02-10T03:23:28", "name": "qom: introduce property flags to track external user input", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/491594/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2194834/comments/", "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=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=oBucaVKZ;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4f95qd1xnNz1xtV\n\tfor <incoming@patchwork.ozlabs.org>; Tue, 10 Feb 2026 13:58:53 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1vpdxH-00061C-Ix; Mon, 09 Feb 2026 21:58:23 -0500", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <zhao1.liu@intel.com>)\n id 1vpdxF-00060X-7K\n for qemu-devel@nongnu.org; Mon, 09 Feb 2026 21:58:21 -0500", "from mgamail.intel.com ([198.175.65.18])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <zhao1.liu@intel.com>)\n id 1vpdxC-00045e-5A\n for qemu-devel@nongnu.org; Mon, 09 Feb 2026 21:58:20 -0500", "from orviesa008.jf.intel.com ([10.64.159.148])\n by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 09 Feb 2026 18:58:14 -0800", "from liuzhao-optiplex-7080.sh.intel.com ([10.239.160.39])\n by orviesa008.jf.intel.com with ESMTP; 09 Feb 2026 18:58:09 -0800" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1770692298; x=1802228298;\n h=from:to:cc:subject:date:message-id:mime-version:\n content-transfer-encoding;\n bh=MBWhbuEMR6Y77nJEzexrdp7Mno+tXNDIxsjfWWTPNCA=;\n b=oBucaVKZ8IMTYPUYwh05viocavydC7ia5NEeTXwo4PYQyBl5Pzeky/0a\n zIWQx6NT1NO/4bXG/uJx7XS2oI6TmYvFNFq65J9vdJo2oC8w3pp0qYaLA\n C10/p0ytAz0ZekjL7J3+HMdp5QeDP5IKQtBBOjbuFbdDLLaMPl8rNYJyj\n Pm5CozswYjPZdrMEIqwBQiQ8vB7fQ5LukuCuFPimYymNW+WFAjwINfNI5\n iBNxPzd3j0PTORSOKFQtUD2fJoXnT1dXsMHVXIURQYJYx7LeKxEMfzYmh\n LAl6d/lpXeaMiCkUpDoMQsQ0Be6KJm5Qk5u6EQpk3XHF7/LtI75dXkdT/ Q==;", "X-CSE-ConnectionGUID": [ "NZcmfSwmTKGj5igw4OC2pQ==", "Oj5cZtgsT8eulW6/KvlAhA==" ], "X-CSE-MsgGUID": [ "gReANuMnT524cAVk9OIwHw==", "4rbwkhmQRP6Werqvt4M86A==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11696\"; a=\"71854202\"", "E=Sophos;i=\"6.21,283,1763452800\"; d=\"scan'208\";a=\"71854202\"", "E=Sophos;i=\"6.21,283,1763452800\"; d=\"scan'208\";a=\"211800388\"" ], "X-ExtLoop1": "1", "From": "Zhao Liu <zhao1.liu@intel.com>", "To": "Paolo Bonzini <pbonzini@redhat.com>, =?utf-8?q?Daniel_P_=2E_Berrang?=\n\t=?utf-8?q?=C3=A9?= <berrange@redhat.com>,\n Eduardo Habkost <eduardo@habkost.net>, Markus Armbruster <armbru@redhat.com>,\n Thomas Huth <thuth@redhat.com>, Igor Mammedov <imammedo@redhat.com>,\n\t=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>", "Cc": "Richard Henderson <richard.henderson@linaro.org>,\n Peter Maydell <peter.maydell@linaro.org>,\n \"Michael S . Tsirkin\" <mst@redhat.com>,\n BALATON Zoltan <balaton@eik.bme.hu>,\n Mark Cave-Ayland <mark.caveayland@nutanix.com>,\n Pierrick Bouvier <pierrick.bouvier@linaro.org>,\n Zide Chen <zide.chen@intel.com>, Dapeng Mi <dapeng1.mi@linux.intel.com>,\n Zhao Liu <zhao1.liu@intel.com>, qemu-devel@nongnu.org,\n devel@lists.libvirt.org", "Subject": "[PATCH v2 00/21] qom: introduce property flags to track external user\n input", "Date": "Tue, 10 Feb 2026 11:23:27 +0800", "Message-Id": "<20260210032348.987549-1-zhao1.liu@intel.com>", "X-Mailer": "git-send-email 2.34.1", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=198.175.65.18; envelope-from=zhao1.liu@intel.com;\n helo=mgamail.intel.com", "X-Spam_score_int": "-27", "X-Spam_score": "-2.8", "X-Spam_bar": "--", "X-Spam_report": "(-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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": "Hi,\n\nThis is the v2 trying to introduce property flags to detect user's\nproperty setting (from CLI/QMP/HMP). I dropped RFC tag since previous\nRFC v1 [1].\n\nThough this work the follow-up of v2.6 & v2.7 machines' removal [2],\nnow it is decoupled from [2] totally since v2 doesn't detect compat\nproperty and only focuses on external user setting, so this series is\nbased on master branch at the commit 28a6ca268c2c (\"Merge tag 'single-\nbinary-20260203' of https://github.com/philmd/qemu into staging\"). And\nyou can also find the code here:\n\nhttps://gitlab.com/zhao.liu/qemu/-/tree/prop-flags-v2.3-02-08-2026\n\nThis series introduces 3 property flags:\n * USER_SET:\n Any external user property setting (from CLI/HMP/QMP) is marked as\n USER_SET.\n * DEPRECATED:\n Once a property is marked as DEPRECATED, any external user property\n setting will trigger a warning.\n * INTERNAL:\n Once a property is marked as INTERNAL, any external user property\n setting will cause an error.\n\nMore details or document for these 3 flags, you can refer patch 7.\n\n\nCompared with RFC v1, v2 mainly:\n * introduce USER_SET property flag to identify all user's setting.\n - patch 7 for document.\n * construct DEPRECATED & INTERNAL flag on USER_SET.\n - patch 7 for document.\n * cover more comprehensive user set cases.\n - patch 8-13.\n * provide examples about new flags (USER_SET/DEPRECATED/INTELNAL).\n - patch 15/16/17 are examples for DEPRECATED flag.\n - patch 18 is the example for INTERNAL flag.\n - patch 20 is the example for USER_SET flag.\n\nI think v2 should now cover \"nearly\" all cases (patch 8-13) where users\nset properties: one approach is to trace the call chain of\nobject_property_set().\n\nEven if there are cases that were missed, they can be easily addressed\nbased on this series:\n\n object_property_set(obj, ...);\n /* Insert this call after object_property_set(). */\n object_property_set_flags(obj, ..., OBJ_PROP_FLAG_USER_SET, ...);\n\n[1]: RFC v1:\n https://lore.kernel.org/qemu-devel/20251202170502.3228625-1-zhao1.liu@intel.com/\n[2]: hw/i386/pc: Remove deprecated 2.6 and 2.7 PC machines\n https://lore.kernel.org/qemu-devel/20260108033051.777361-1-zhao1.liu@intel.com/\n\nThanks and Best Regards,\nZhao\n---\nZhao Liu (21):\n qom/object: use BIT macro for ObjectPropertyFlags\n qom/object: cache ObjectPropertyFlags in ObjectProperty\n qom/object: factor out object_class_property_try_add()\n qom/object: add flags argument in object_{class_}property_try_add()\n qom/object: rename object_{class_}property_try_add() to\n object_{class_}property_add_full()\n qom/object: add helpers to set/get/clear property flags\n qom/object: introduce user interaction flags for properties\n qom/object: add from_user argument in object_property_parse()\n qom/object: mark global property set from CLI as USER_SET\n qom/qom-hmp-cmd: mark properties set from HMP (non-JSON) \"qom-set\" as\n USER_SET\n qom/qom-qmp-cmd: mark properties set from QMP/HMP (JSON) \"qom-set\" as\n USER_SET\n qom/object_interfaces: mark properties set from qdict & keyval as\n USER_SET\n system/vl: mark property set in object_parse_property_opt() as\n USER_SET\n hw/core/qdev-properties: allow qdev properties accept flags\n target/i386: deprecate fill-mtrr-mask property\n target/i386: deprecate cpuid-0xb property\n hw/intc/ioapic: deprecate version property\n target/i386: mark x-consistent-cache property as internal-only\n target/i386: remove redundant validation for lbr-fmt property\n target/i386: detect user provided lbr-fmt via property flag\n hw/core/qdev-properties: support valid default value for\n DEFINE_PROP_UINT64_CHECKMASK\n\n docs/about/deprecated.rst | 31 +++++\n hw/core/qdev-properties.c | 29 ++--\n hw/i386/sgx.c | 2 +-\n hw/intc/ioapic.c | 3 +-\n include/hw/core/qdev-properties.h | 38 +++---\n include/qom/object.h | 215 +++++++++++++++++++++++++++---\n qom/object.c | 177 ++++++++++++++++++++----\n qom/object_interfaces.c | 5 +\n qom/qom-hmp-cmds.c | 2 +-\n qom/qom-qmp-cmds.c | 7 +-\n system/vl.c | 6 +-\n target/i386/cpu.c | 28 ++--\n 12 files changed, 448 insertions(+), 95 deletions(-)" }