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GET /api/patches/2224092/?format=api
{ "id": 2224092, "url": "http://patchwork.ozlabs.org/api/patches/2224092/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260416180107.777065-11-kwilczynski@kernel.org/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260416180107.777065-11-kwilczynski@kernel.org>", "list_archive_url": null, "date": "2026-04-16T18:00:54", "name": "[v5,10/23] PCI/sysfs: Limit pci_sysfs_init() late_initcall compile scope", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "c7d3eb554ce2fd44590ce4955f82eaf879f035e1", "submitter": { "id": 86709, "url": "http://patchwork.ozlabs.org/api/people/86709/?format=api", "name": "Krzysztof Wilczyński", "email": "kwilczynski@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260416180107.777065-11-kwilczynski@kernel.org/mbox/", "series": [ { "id": 500193, "url": "http://patchwork.ozlabs.org/api/series/500193/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=500193", "date": "2026-04-16T18:00:44", "name": "PCI: Convert all dynamic sysfs attributes to static", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/500193/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224092/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224092/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-pci+bounces-52634-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=BrS5EtC2;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-pci+bounces-52634-incoming=patchwork.ozlabs.org@vger.kernel.org;\n receiver=patchwork.ozlabs.org)", "smtp.subspace.kernel.org;\n\tdkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=\"BrS5EtC2\"", "smtp.subspace.kernel.org;\n arc=none smtp.client-ip=10.30.226.201" ], "Received": [ "from sea.lore.kernel.org (sea.lore.kernel.org\n [IPv6:2600:3c0a:e001:db::12fc:5321])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fxQwz25qWz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 17 Apr 2026 04:08:19 +1000 (AEST)", "from smtp.subspace.kernel.org (conduit.subspace.kernel.org\n [100.90.174.1])\n\tby sea.lore.kernel.org (Postfix) with ESMTP id 9AF6C30180B1\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 16 Apr 2026 18:01:49 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id A525E32AAA3;\n\tThu, 16 Apr 2026 18:01:47 +0000 (UTC)", "from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org\n [10.30.226.201])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby smtp.subspace.kernel.org (Postfix) with ESMTPS id 822951514F8;\n\tThu, 16 Apr 2026 18:01:47 +0000 (UTC)", "by smtp.kernel.org (Postfix) with ESMTPSA id 22869C2BCB0;\n\tThu, 16 Apr 2026 18:01:44 +0000 (UTC)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776362507; cv=none;\n b=PpbT/OcjHkkulf4E4HNjG8jTb95HaHEHSIkjqxmuMopG19mVocgQwWAYzildd3Gv8ZC9DVvxL55Jnue0rZHRQqqAEcXlBf5HhhnOYM77OLLQtfRAHuZXxeBgxi5LZt3O+3VZUcK8M0VcR324yP1r7ssQXGux90MFGwQXHOwim+s=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776362507; c=relaxed/simple;\n\tbh=z/qUE/WCrDQr3RvpHa7YYVIuPRUsL1w2bKCzec+b0mY=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version:Content-Type;\n b=P0BqEpSmymD8s6pPGueGzbxnicmfGuER+I59f3EB58hkOl+vKyKuposCoIdqDPqv4PiWeOFwIOrxlFx32qRyteCW0znEKSTp5KXxWrS874ao/CBpx4ZSFrbiib52l8WYE8JKryZ4xruQH7W+Jtn40F0rKuAnzymuncHC2TNJ8Mw=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=BrS5EtC2; arc=none smtp.client-ip=10.30.226.201", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1776362507;\n\tbh=z/qUE/WCrDQr3RvpHa7YYVIuPRUsL1w2bKCzec+b0mY=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=BrS5EtC2+VAT+/HCeg6bGBmketYhlQkAvF76NizvSwsl40yst7JHHvF7+u34ItyCj\n\t E0VvAgBX0ehdEjy1WimGTGjBufJSz/A7YPaDXcT2MgCk1R9Q7+vb/L/4xSYSTP0LI1\n\t Yj9z4sNT4vJSatLEbOhU4oZqWFqVS7nMzHROX21EWWHs7LV4SpVCSNJTdPziwHxpgP\n\t +lcAswAkx7u6QrXK94zCpIbi0LN7GrU6FeWBGHBckNALHfSgPg+hzUDs1msZjjAmPx\n\t gCp5Q8tXN5y0hIpTOIdNRu7lWQ9C1Zplfnkx1muakXgZZV9C8gu4TlZ5a09wLdddg9\n\t Gu6nEhGR1pC7A==", "From": "=?utf-8?q?Krzysztof_Wilczy=C5=84ski?= <kwilczynski@kernel.org>", "To": "Bjorn Helgaas <bhelgaas@google.com>", "Cc": "Bjorn Helgaas <helgaas@kernel.org>,\n Manivannan Sadhasivam <mani@kernel.org>,\n Lorenzo Pieralisi <lpieralisi@kernel.org>,\n Magnus Lindholm <linmag7@gmail.com>, Matt Turner <mattst88@gmail.com>,\n Richard Henderson <richard.henderson@linaro.org>,\n Christophe Leroy <chleroy@kernel.org>,\n Madhavan Srinivasan <maddy@linux.ibm.com>,\n Michael Ellerman <mpe@ellerman.id.au>, Nicholas Piggin <npiggin@gmail.com>,\n Dexuan Cui <decui@microsoft.com>,\n =?utf-8?q?Krzysztof_Ha=C5=82asa?= <khalasa@piap.pl>,\n Lukas Wunner <lukas@wunner.de>, \"Oliver O'Halloran\" <oohall@gmail.com>,\n Saurabh Singh Sengar <ssengar@microsoft.com>,\n Shuan He <heshuan@bytedance.com>, Srivatsa Bhat <srivatsabhat@microsoft.com>,\n\t=?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>,\n linux-pci@vger.kernel.org, linux-alpha@vger.kernel.org,\n linuxppc-dev@lists.ozlabs.org", "Subject": "[PATCH v5 10/23] PCI/sysfs: Limit pci_sysfs_init() late_initcall\n compile scope", "Date": "Thu, 16 Apr 2026 18:00:54 +0000", "Message-ID": "<20260416180107.777065-11-kwilczynski@kernel.org>", "X-Mailer": "git-send-email 2.53.0", "In-Reply-To": "<20260416180107.777065-1-kwilczynski@kernel.org>", "References": "<20260416180107.777065-1-kwilczynski@kernel.org>", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit" }, "content": "Currently, pci_sysfs_init() and sysfs_initialized compile\nunconditionally, even on platforms where static attribute\ngroups handle all resource file creation.\n\nThus, place them behind a new HAVE_PCI_SYSFS_INIT macro,\nespecially as the late_initcall is only needed when:\n\n - HAVE_PCI_LEGACY is set, to iterate buses and create legacy\n I/O and memory files.\n\n - Neither HAVE_PCI_MMAP nor ARCH_GENERIC_PCI_MMAP_RESOURCE is\n set, to iterate devices and create resource files via the\n __weak pci_create_resource_files() stub override (this is\n how the Alpha architecture handles this currently).\n\nOn most systems both conditions are false and the entire\nlate_initcall compiles away.\n\nSigned-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>\n---\n drivers/pci/pci-sysfs.c | 9 +++++++++\n 1 file changed, 9 insertions(+)", "diff": "diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c\nindex 517efb6d71cc..d22bc5c48bc0 100644\n--- a/drivers/pci/pci-sysfs.c\n+++ b/drivers/pci/pci-sysfs.c\n@@ -37,7 +37,14 @@\n #define ARCH_PCI_DEV_GROUPS\n #endif\n \n+#if defined(HAVE_PCI_LEGACY) || \\\n+\t!defined(HAVE_PCI_MMAP) && !defined(ARCH_GENERIC_PCI_MMAP_RESOURCE)\n+#define HAVE_PCI_SYSFS_INIT\n+#endif\n+\n+#ifdef HAVE_PCI_SYSFS_INIT\n static int sysfs_initialized;\t/* = 0 */\n+#endif\n \n /* show configuration fields */\n #define pci_config_attr(field, format_string)\t\t\t\t\\\n@@ -1792,6 +1799,7 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev)\n }\n #endif\n \n+#ifdef HAVE_PCI_SYSFS_INIT\n static int __init pci_sysfs_init(void)\n {\n #if defined(HAVE_PCI_MMAP) || defined(ARCH_GENERIC_PCI_MMAP_RESOURCE)\n@@ -1818,6 +1826,7 @@ static int __init pci_sysfs_init(void)\n \treturn 0;\n }\n late_initcall(pci_sysfs_init);\n+#endif\n \n static struct attribute *pci_dev_dev_attrs[] = {\n \t&dev_attr_boot_vga.attr,\n", "prefixes": [ "v5", "10/23" ] }