From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 808FDC4451B for ; Sat, 18 Jul 2026 21:44:14 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wlCpI-0004wZ-SA; Sat, 18 Jul 2026 17:44:04 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wlCp7-0004TX-50; Sat, 18 Jul 2026 17:43:53 -0400 Received: from pdx-out-010.esa.us-west-2.outbound.mail-perimeter.amazon.com ([52.12.53.23]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wlCp5-0002qj-AF; Sat, 18 Jul 2026 17:43:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1784411031; x=1815947031; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=cyObFwjrTXBGXC2CgrSMoCAsLtY8OS8BDGVOZExP5DI=; b=cxzQa1lcX8ZwyOrZ+ehw0E3MAXbmLqTXzNVrExoww2a8L6kq7bw+XPzs pq8I4Sp4BsBlm/UWM3GmtAfqB3PlhAqVl1acPMAaJaZMJr5VE+SdqtfND CoR4rijtPHf9avVM/qE1maOTeW3KvTSTkoO+Qg4sWudKimhY9cA1WjPJj aw9TlJDmQODZTG7fENA2z/TBCReYf3cAPS+tYEkTRNH369GvqJi6JtDS8 LQA4z5gwxyb5LTzzGXee4ck7llJJ0VQyoMOVbqGzJRWcrrhVz53ZoK6v8 IOiq58HtjjZVU24oMjbHnp1iof9Kuk9Qgpn0qjhqOhaGoteYlHDqn9l2/ g==; X-CSE-ConnectionGUID: RDkAMgTsQ0qYN8OGVVNcew== X-CSE-MsgGUID: uXGR7nwhSAOuZhWbqhl22w== X-IronPort-AV: E=Sophos;i="6.25,171,1779148800"; d="scan'208";a="23795070" Received: from ip-10-5-6-203.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.6.203]) by internal-pdx-out-010.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2026 21:43:47 +0000 Received: from EX19MTAUWB001.ant.amazon.com [205.251.233.104:23558] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.58.199:2525] with esmtp (Farcaster) id 4091f71b-7b0a-4267-8a98-bd78f9e41765; Sat, 18 Jul 2026 21:43:47 +0000 (UTC) X-Farcaster-Flow-ID: 4091f71b-7b0a-4267-8a98-bd78f9e41765 Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWB001.ant.amazon.com (10.250.64.248) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.43; Sat, 18 Jul 2026 21:43:47 +0000 Received: from ip-10-253-83-51.amazon.com (172.19.99.218) by EX19D001UWA001.ant.amazon.com (10.13.138.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.43; Sat, 18 Jul 2026 21:43:37 +0000 From: Alexander Graf To: CC: , , , , Song Gao <17746591750@163.com>, Aditya Gupta , Alexey Kardashevskiy , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Farhan Ali , Alistair Francis , "Alistair Francis" , Antony Pavlov , Markus Armbruster , Artyom Tarasenko , BALATON Zoltan , Felipe Balbi , =?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= , Christian Borntraeger , Brian Cain , Hendrik Brueckner , Chao Liu , "Huacai Chen" , =?UTF-8?q?Cl=C3=A9ment=20Chigot?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Helge Deller , Dorjoy Chowdhury , "Edgar E . Iglesias" , Alexandre Iooss , Eric Farman , Fabiano Rosas , Francisco Iglesias , "Gaurav Sharma" , Gautam Gala , "Harsh Prateek Bora" , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Jan Kiszka , Max Filippov , Joel Stanley , Jared Rossi , Tyrone Ting , Frederic Konrad , Laurent Vivier , "Manos Pitsidianakis" , Bibo Mao , Mark Cave-Ayland , Glenn Miles , Matthew Rosato , Michael Rolnik , "Michael S . Tsirkin" , Niek Linnenbank , Nicholas Piggin , Palmer Dabbelt , Halil Pasic , Paolo Bonzini , Peter Maydell , Peter Xu , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , "Pierrick Bouvier" , Richard Henderson , Sai Pavan Boddu , Samuel Tardieu , Bernhard Beschow , Stafford Horne , Sergio Lopez , "Subbaraya Sundeep" , Thomas Huth , "Ran Wang" , Hao Wu Subject: [RFC PATCH v2 024/137] hw/core: Give onboard devices a QOM parent Date: Sat, 18 Jul 2026 21:34:59 +0000 Message-ID: <20260718213652.37673-25-graf@amazon.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20260718213652.37673-1-graf@amazon.com> References: <20260711223707.42139-1-graf@amazon.com> <20260718213652.37673-1-graf@amazon.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [172.19.99.218] X-ClientProxiedBy: EX19D031UWA001.ant.amazon.com (10.13.139.88) To EX19D001UWA001.ant.amazon.com (10.13.138.214) Received-SPF: pass client-ip=52.12.53.23; envelope-from=prvs=65292d44c=graf@amazon.de; helo=pdx-out-010.esa.us-west-2.outbound.mail-perimeter.amazon.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.01, SPF_HELO_NONE=0.001, T_SPF_PERMERROR=0.01, UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-riscv@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-riscv-bounces+qemu-riscv=archiver.kernel.org@nongnu.org Sender: qemu-riscv-bounces+qemu-riscv=archiver.kernel.org@nongnu.org Convert the *_orphan() device-creation calls in hw/core to the new parented API introduced earlier in this series, so every onboard device gets a stable path in the composition tree instead of landing in /machine/unattached with an unstable device[N] name. The parent for each device is the object that owns its lifetime: the machine for board-created devices, the containing device for composite children. Names follow existing QOM conventions. Per-site rationale (reviewers: dispute the modeling here): hw/core/null-machine.c:28 | cpu_create | OBJECT(mch) | "cpu[*]" | Board init; machine owns CPU lifetime hw/core/qdev.c:167,172 hw/core/sysbus.c:245,254 hw/core/cpu-common.c:71 | (definitions) | ORPHAN-JUSTIFIED | - | These are the *_orphan() implementations themselves Link: https://lore.kernel.org/qemu-devel/87jyr3w9tc.fsf@pond.sub.org/ AI-used-for: code (refactoring) Signed-off-by: Alexander Graf --- hw/core/null-machine.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/core/null-machine.c b/hw/core/null-machine.c index 7cc4b9ab3b..ac741bdf06 100644 --- a/hw/core/null-machine.c +++ b/hw/core/null-machine.c @@ -25,7 +25,7 @@ static void machine_none_init(MachineState *mch) /* Initialize CPU (if user asked for it) */ if (mch->cpu_type) { - cpu = cpu_create_orphan(mch->cpu_type); + cpu = cpu_create(OBJECT(mch), "cpu[*]", mch->cpu_type); if (!cpu) { error_report("Unable to initialize CPU"); exit(1); -- 2.47.1