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 04694C4451B for ; Sat, 18 Jul 2026 21:45:45 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wlCpz-0006w5-Q4; Sat, 18 Jul 2026 17:44:47 -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 1wlCpv-0006uf-Ml; Sat, 18 Jul 2026 17:44:44 -0400 Received: from pdx-out-007.esa.us-west-2.outbound.mail-perimeter.amazon.com ([52.34.181.151]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wlCpt-0002xF-SE; Sat, 18 Jul 2026 17:44:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1784411081; x=1815947081; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=CN3v+LJuo2aoGGUCi3MnBfy7w8pCG0HXoOGWYL5yOgE=; b=G4nPM3LCCHuepUMXoS4wVZlKx3KymyFvd+ttBHZXLi1F+do5FI8miulJ dWd/Ch3H/s6qlfd8lAQRt8dnNMig0UEIE22KIAkxXsuIXkNmFzerAiBfj U6VddbafP/CwWe238nlV+GOWIwXpw2h0B3C1bWrINclgZhEDfESYAK6Hw JYTNEBscWm+ZctgNQlfZ452QVvAn3hBRJtIp68i6JnNetWHkQlmek94XW UaQX8w4RoXvuUA0SzF6Ryudbjap0c1O/OidGJzDDY6ZJulfE7Y9fNiZIN Gg/KjSnyyZ/M4W9YshoksI8x9iQ0XPA8OahoJv/kR6qnkm+9UW5K+TKdQ Q==; X-CSE-ConnectionGUID: Pz7InH/bQv6O5OnNd8WcKw== X-CSE-MsgGUID: bC9JP5V9QEOFsfpqBea3uw== X-IronPort-AV: E=Sophos;i="6.25,171,1779148800"; d="scan'208";a="23910348" Received: from ip-10-5-9-48.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.9.48]) by internal-pdx-out-007.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jul 2026 21:44:37 +0000 Received: from EX19MTAUWC001.ant.amazon.com [205.251.233.53:12270] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.19.34:2525] with esmtp (Farcaster) id 88b5f2b4-5b38-4171-9fb2-2d8f735aa1df; Sat, 18 Jul 2026 21:44:37 +0000 (UTC) X-Farcaster-Flow-ID: 88b5f2b4-5b38-4171-9fb2-2d8f735aa1df Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWC001.ant.amazon.com (10.250.64.174) 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 21:44:36 +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 21:44:27 +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 027/137] hw/nvme: Give onboard devices a QOM parent Date: Sat, 18 Jul 2026 21:35:02 +0000 Message-ID: <20260718213652.37673-28-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: EX19D035UWB002.ant.amazon.com (10.13.138.97) To EX19D001UWA001.ant.amazon.com (10.13.138.214) Received-SPF: pass client-ip=52.34.181.151; envelope-from=prvs=65292d44c=graf@amazon.de; helo=pdx-out-007.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-arm@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-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Sender: qemu-arm-bounces+qemu-arm=archiver.kernel.org@nongnu.org Convert the *_orphan() device-creation calls in hw/nvme 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/nvme/ctrl.c:9559 | qdev_new | OBJECT(n) | "subsys" | Called from nvme controller realize; the auto-created subsystem is owned by the controller that creates it Link: https://lore.kernel.org/qemu-devel/87jyr3w9tc.fsf@pond.sub.org/ AI-used-for: code (refactoring) Signed-off-by: Alexander Graf --- hw/nvme/ctrl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 300a5aa835..f247bbce22 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -9556,7 +9556,7 @@ static int nvme_init_subsys(NvmeCtrl *n, Error **errp) int cntlid; if (!n->subsys) { - DeviceState *dev = qdev_new_orphan(TYPE_NVME_SUBSYS); + DeviceState *dev = qdev_new(OBJECT(n), "auto-subsys", TYPE_NVME_SUBSYS); qdev_prop_set_string(dev, "nqn", n->params.serial); -- 2.47.1