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GET /api/1.1/patches/2226605/?format=api
{ "id": 2226605, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2226605/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260422161407.118748-11-kwilczynski@kernel.org/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/1.1/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 }, "msgid": "<20260422161407.118748-11-kwilczynski@kernel.org>", "date": "2026-04-22T16:13:53", "name": "[v6,10/24] 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/1.1/people/86709/?format=api", "name": "Krzysztof Wilczyński", "email": "kwilczynski@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/patch/20260422161407.118748-11-kwilczynski@kernel.org/mbox/", "series": [ { "id": 501041, "url": "http://patchwork.ozlabs.org/api/1.1/series/501041/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=501041", "date": "2026-04-22T16:13:46", "name": "PCI: Convert all dynamic sysfs attributes to static", "version": 6, "mbox": "http://patchwork.ozlabs.org/series/501041/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226605/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226605/checks/", "tags": {}, "headers": { "Return-Path": "\n <linux-pci+bounces-52996-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=j94rSVTh;\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-52996-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=\"j94rSVTh\"", "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 4g14Gp2F0Tz1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 23 Apr 2026 02:21:22 +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 C4AB730A874F\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 16:14:48 +0000 (UTC)", "from localhost.localdomain (localhost.localdomain [127.0.0.1])\n\tby smtp.subspace.kernel.org (Postfix) with ESMTP id EDC2037DE81;\n\tWed, 22 Apr 2026 16:14:46 +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 CA86B37CD3C;\n\tWed, 22 Apr 2026 16:14:46 +0000 (UTC)", "by smtp.kernel.org (Postfix) with ESMTPSA id AE33FC19425;\n\tWed, 22 Apr 2026 16:14:43 +0000 (UTC)" ], "ARC-Seal": "i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1776874486; cv=none;\n b=owm69rA/YQ/J3IgbouCNv8JVb66c/rc6LTZdOKnY0z/hBk2X4BrvomPmGSteDs9BNXW/5WV+2qQJgZqzXf51GtBXmIa0f63B2ZGnYwqBJkYmOZEWABq+SUv6fJJRTefr02XqTODD0zzfSUHrkPKSGfbf5z/OMdOrjOr7weTJ/5k=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1776874486; c=relaxed/simple;\n\tbh=dlbGO9fbGQS1YQSRBPJiq4zvxG0cWPtDw+JWina0FxQ=;\n\th=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References:\n\t MIME-Version:Content-Type;\n b=aZlmUONBpTrjmJ4mktiY/hrr+jxPWLMIfujWvsG4wpp5soFEqPZ7b4lslZQZcD7CXW/QID8xfN3HBh21Dd7gGr/og8KHuRmVFEkAJAmmJaACxCkBye2WjWfP14Znpq/xbA8eNUHJFuJeeUxAVM7yZejNMEl5NSeykIn/WaDlvPQ=", "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=j94rSVTh; 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=1776874486;\n\tbh=dlbGO9fbGQS1YQSRBPJiq4zvxG0cWPtDw+JWina0FxQ=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=j94rSVTh+5UeOUKQaoN1gfEsKWQkRUzjg3zaC0NSfkkCC9+Ck5gfIdV625AgTuZ+i\n\t aRRFtO5I6QN5CBdo4J0VNrNQ6i95dC6HCVTbUubsquI93Dom/qFscn82ZHsOD/DRLm\n\t 7u0O8rv88/vo9vFlHQ8ISz+pUaX0SI29AlZzV9531SDVeZfu4xvIVEgDvJqXjK8mz1\n\t HYlHmUF7qcKDXJGcDh6IKvw2/RgiG+ZODTtl/rbYtf2ViKYVXZMQPPIuIXhPR2hY7I\n\t ip8GsC+0qyQhyA4I5TotJZSEZuvlagXZt1eqvaOnyanFFbDnV4mhdcdS7aEJGPk7Yb\n\t ifKC2Yvtm5L7A==", "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 v6 10/24] PCI/sysfs: Limit pci_sysfs_init() late_initcall\n compile scope", "Date": "Wed, 22 Apr 2026 16:13:53 +0000", "Message-ID": "<20260422161407.118748-11-kwilczynski@kernel.org>", "X-Mailer": "git-send-email 2.54.0", "In-Reply-To": "<20260422161407.118748-1-kwilczynski@kernel.org>", "References": "<20260422161407.118748-1-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": [ "v6", "10/24" ] }