{"id":2226577,"url":"http://patchwork.ozlabs.org/api/patches/2226577/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260422161407.118748-11-kwilczynski@kernel.org/","project":{"id":2,"url":"http://patchwork.ozlabs.org/api/projects/2/?format=json","name":"Linux PPC development","link_name":"linuxppc-dev","list_id":"linuxppc-dev.lists.ozlabs.org","list_email":"linuxppc-dev@lists.ozlabs.org","web_url":"https://github.com/linuxppc/wiki/wiki","scm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git","webscm_url":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/","list_archive_url":"https://lore.kernel.org/linuxppc-dev/","list_archive_url_format":"https://lore.kernel.org/linuxppc-dev/{}/","commit_url_format":"https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id={}"},"msgid":"<20260422161407.118748-11-kwilczynski@kernel.org>","list_archive_url":"https://lore.kernel.org/linuxppc-dev/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":"handled-elsewhere","archived":false,"hash":"c7d3eb554ce2fd44590ce4955f82eaf879f035e1","submitter":{"id":86709,"url":"http://patchwork.ozlabs.org/api/people/86709/?format=json","name":"Krzysztof Wilczyński","email":"kwilczynski@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260422161407.118748-11-kwilczynski@kernel.org/mbox/","series":[{"id":501040,"url":"http://patchwork.ozlabs.org/api/series/501040/?format=json","web_url":"http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=501040","date":"2026-04-22T16:13:43","name":"[v6,01/24] PCI/sysfs: Use PCI resource accessor macros","version":6,"mbox":"http://patchwork.ozlabs.org/series/501040/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226577/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226577/checks/","tags":{},"related":[],"headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linuxppc-dev@lists.ozlabs.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=lists.ozlabs.org\n (client-ip=2404:9400:21b9:f100::1; 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lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org;\n dkim=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; dkim-atps=neutral;\n spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org;\n envelope-from=kwilczynski@kernel.org;\n receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org","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?= ","To":"Bjorn Helgaas ","Cc":"Bjorn Helgaas ,\n Manivannan Sadhasivam ,\n Lorenzo Pieralisi ,\n Magnus Lindholm , Matt Turner ,\n Richard Henderson ,\n Christophe Leroy ,\n Madhavan Srinivasan ,\n Michael Ellerman , Nicholas Piggin ,\n Dexuan Cui ,\n =?utf-8?q?Krzysztof_Ha=C5=82asa?= ,\n Lukas Wunner , \"Oliver O'Halloran\" ,\n Saurabh Singh Sengar ,\n Shuan He , Srivatsa Bhat ,\n\t=?utf-8?q?Ilpo_J=C3=A4rvinen?= ,\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>","X-Mailing-List":"linuxppc-dev@lists.ozlabs.org","List-Id":"","List-Help":"","List-Owner":"","List-Post":"","List-Archive":",\n ","List-Subscribe":",\n ,\n ","List-Unsubscribe":"","Precedence":"list","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-Spam-Status":"No, score=-0.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS\n\tautolearn=disabled version=4.0.1 OzLabs 8","X-Spam-Checker-Version":"SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org"},"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 \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"]}