From nobody Tue Feb 10 14:53:22 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=reject dis=none) header.from=rsg.ci.i.u-tokyo.ac.jp Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1757125648298116.06149178311148; Fri, 5 Sep 2025 19:27:28 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uuiZm-0006iX-4W; Fri, 05 Sep 2025 22:22:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uuiZj-0006gq-2m; Fri, 05 Sep 2025 22:22:47 -0400 Received: from www3579.sakura.ne.jp ([49.212.243.89]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uuiZN-0000Og-OJ; Fri, 05 Sep 2025 22:22:42 -0400 Received: from [10.40.4.92] (93-51-222-138.ip268.fastwebnet.it [93.51.222.138]) (authenticated bits=0) by www3579.sakura.ne.jp (8.16.1/8.16.1) with ESMTPSA id 5862Btnp041566 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Sat, 6 Sep 2025 11:16:14 +0900 (JST) (envelope-from odaki@rsg.ci.i.u-tokyo.ac.jp) DKIM-Signature: a=rsa-sha256; bh=Qvj4+hZAXQ+HATM7aKOWvKVpmlqyAC4ni6CowomDhZk=; c=relaxed/relaxed; d=rsg.ci.i.u-tokyo.ac.jp; h=From:Date:Subject:Message-Id:To; s=rs20250326; t=1757124986; v=1; b=u3oUoc5FS+ykl5ye/y72MYN+xpl/H+FpkE3N5flf8YijwL1Eup8sUzv1QZCfoJEv EB+w4DI5hDa+8I8MI0lZVrOR/d+YAI8PRSO+ZYaAo7rKkO+uBHpV1YJDlry9YqVN HFY+x3nd5sc/p766vyCs5/2RyeGxqLlPE7oLpNYamCSy1k+zf2fgIll7Aa8uSbV0 4JhvXCSM/+g1xaAL3qAqD6hfSvSHuhH7dhK22rde8YLVQUE0wwVwtYwnNGhRt7Gf 188wmUrhH5Jc1CSaM2L5V1DPhaGF3H4Sqm4d5HXGOjI6qzD49esGZhVttY0w7kA1 xmF/5WIUCHT/RRe2iHLMrA== From: Akihiko Odaki Date: Sat, 06 Sep 2025 04:11:29 +0200 Subject: [PATCH 20/22] hw/ppc/spapr_pci: Do not delete the subregions MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250906-use-v1-20-c51caafd1eb7@rsg.ci.i.u-tokyo.ac.jp> References: <20250906-use-v1-0-c51caafd1eb7@rsg.ci.i.u-tokyo.ac.jp> In-Reply-To: <20250906-use-v1-0-c51caafd1eb7@rsg.ci.i.u-tokyo.ac.jp> To: qemu-devel@nongnu.org Cc: Alex Williamson , =?utf-8?q?C=C3=A9dric_Le_Goater?= , Paolo Bonzini , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eduardo Habkost , Peter Xu , David Hildenbrand , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Richard Henderson , Helge Deller , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , "Michael S. Tsirkin" , Gerd Hoffmann , John Snow , qemu-block@nongnu.org, Keith Busch , Klaus Jensen , Jesper Devantier , Marcel Apfelbaum , Nicholas Piggin , qemu-ppc@nongnu.org, John Levon , Thanos Makatos , Yanan Wang , BALATON Zoltan , Jiaxun Yang , Daniel Henrique Barboza , David Gibson , Harsh Prateek Bora , Alexey Kardashevskiy , =?utf-8?q?Alex_Benn=C3=A9e?= , Fabiano Rosas , Thomas Huth , Laurent Vivier , Peter Maydell , Aurelien Jarno , Aleksandar Rikalo , Max Filippov , =?utf-8?q?Herv=C3=A9_Poussineau?= , Mark Cave-Ayland , Artyom Tarasenko , Akihiko Odaki X-Mailer: b4 0.14.2 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=49.212.243.89; envelope-from=odaki@rsg.ci.i.u-tokyo.ac.jp; helo=www3579.sakura.ne.jp X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1757125649683124100 It is no longer necessary. Signed-off-by: Akihiko Odaki --- hw/ppc/spapr_pci.c | 22 ---------------------- 1 file changed, 22 deletions(-) diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c index 1ac1185825e84ca908fd878f6cbe7e8cacac1d89..b4043ee752c5f9ab2c0f5800dff= a809d3c182225 100644 --- a/hw/ppc/spapr_pci.c +++ b/hw/ppc/spapr_pci.c @@ -1735,27 +1735,13 @@ static void spapr_phb_unrealize(DeviceState *dev) SysBusDevice *s =3D SYS_BUS_DEVICE(dev); PCIHostState *phb =3D PCI_HOST_BRIDGE(s); SpaprPhbState *sphb =3D SPAPR_PCI_HOST_BRIDGE(phb); - SpaprTceTable *tcet; int i; - const unsigned windows_supported =3D spapr_phb_windows_supported(sphb); =20 if (sphb->msi) { g_hash_table_unref(sphb->msi); sphb->msi =3D NULL; } =20 - /* - * Remove IO/MMIO subregions and aliases, rest should get cleaned - * via PHB's unrealize->object_finalize - */ - for (i =3D windows_supported - 1; i >=3D 0; i--) { - tcet =3D spapr_tce_find_by_liobn(sphb->dma_liobn[i]); - if (tcet) { - memory_region_del_subregion(&sphb->iommu_root, - spapr_tce_get_iommu(tcet)); - } - } - remove_drcs(sphb, phb->bus); =20 for (i =3D PCI_NUM_PINS - 1; i >=3D 0; i--) { @@ -1767,8 +1753,6 @@ static void spapr_phb_unrealize(DeviceState *dev) =20 QLIST_REMOVE(sphb, list); =20 - memory_region_del_subregion(&sphb->iommu_root, &sphb->msiwindow); - /* * An attached PCI device may have memory listeners, eg. VFIO PCI. We = have * unmapped all sections. Remove the listeners now, before destroying = the @@ -1779,12 +1763,6 @@ static void spapr_phb_unrealize(DeviceState *dev) =20 qbus_set_hotplug_handler(BUS(phb->bus), NULL); pci_unregister_root_bus(phb->bus); - - memory_region_del_subregion(get_system_memory(), &sphb->iowindow); - if (sphb->mem64_win_pciaddr !=3D (hwaddr)-1) { - memory_region_del_subregion(get_system_memory(), &sphb->mem64windo= w); - } - memory_region_del_subregion(get_system_memory(), &sphb->mem32window); } =20 static void spapr_phb_destroy_msi(gpointer opaque) --=20 2.51.0