Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2215461/?format=api
{ "id": 2215461, "url": "http://patchwork.ozlabs.org/api/patches/2215461/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260324165633.4583-2-ilpo.jarvinen@linux.intel.com/", "project": { "id": 2, "url": "http://patchwork.ozlabs.org/api/projects/2/?format=api", "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": "<20260324165633.4583-2-ilpo.jarvinen@linux.intel.com>", "list_archive_url": "https://lore.kernel.org/linuxppc-dev/20260324165633.4583-2-ilpo.jarvinen@linux.intel.com/", "date": "2026-03-24T16:56:24", "name": "[01/10] resource: Add __resource_contains_unbound() for internal contains checks", "commit_ref": null, "pull_url": null, "state": "handled-elsewhere", "archived": false, "hash": "126ce096f6773287bf75a9f91bd2f4c29506bcd5", "submitter": { "id": 83553, "url": "http://patchwork.ozlabs.org/api/people/83553/?format=api", "name": "Ilpo Järvinen", "email": "ilpo.jarvinen@linux.intel.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linuxppc-dev/patch/20260324165633.4583-2-ilpo.jarvinen@linux.intel.com/mbox/", "series": [ { "id": 497317, "url": "http://patchwork.ozlabs.org/api/series/497317/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=497317", "date": "2026-03-24T16:56:23", "name": "PCI: Improve head free space usage", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/497317/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2215461/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2215461/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linuxppc-dev+bounces-18727-incoming=patchwork.ozlabs.org@lists.ozlabs.org>", "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=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=J8PRjTnR;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-18727-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)", "lists.ozlabs.org;\n arc=none smtp.remote-ip=198.175.65.13", "lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=linux.intel.com", "lists.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=J8PRjTnR;\n\tdkim-atps=neutral", "lists.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=linux.intel.com\n (client-ip=198.175.65.13; helo=mgamail.intel.com;\n envelope-from=ilpo.jarvinen@linux.intel.com; receiver=lists.ozlabs.org)" ], "Received": [ "from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1 raw public key)\n server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fgGTN6WsWz1y1g\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 25 Mar 2026 03:58:48 +1100 (AEDT)", "from boromir.ozlabs.org (localhost [127.0.0.1])\n\tby lists.ozlabs.org (Postfix) with ESMTP id 4fgGTH206nz2yrg;\n\tWed, 25 Mar 2026 03:58:43 +1100 (AEDT)", "from mgamail.intel.com (mgamail.intel.com [198.175.65.13])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby lists.ozlabs.org (Postfix) with ESMTPS id 4fgGTG1tWQz2yqs\n\tfor <linuxppc-dev@lists.ozlabs.org>; Wed, 25 Mar 2026 03:58:41 +1100 (AEDT)", "from orviesa008.jf.intel.com ([10.64.159.148])\n by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 24 Mar 2026 09:58:40 -0700", "from ijarvine-mobl1.ger.corp.intel.com (HELO localhost)\n ([10.245.244.217])\n by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 24 Mar 2026 09:58:30 -0700" ], "ARC-Seal": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1774371523;\n\tcv=none;\n b=WrldIR0lAD/n/dT4ToDEnnTnkUgCW91ggYb3ECcFGBuxV0kXyOhZxAuxNls3Gq1c4jKVupn5M3btIqnprtJ/H6gBuhuaINoBMIGCf/uT4LOTsyCg0iZ52RftALUgFX4goB1Ro2eyPVsWS8WdjLPJo8NhLRtEAHM/sUeO+uun7dV8X/96cnHLDHQd5aGMK7XNkQ1OgBUpRx0ZwfqJ39ylkViFMU4wFC7mFCXs0591RsK4AxIMX5Ko9pvGxsb0s0nU2Zv8gzBShwymln1zND28oX17zQL7d0Sd92n67tTevCpMRJt7+B6u7Juq0X/Ga5M4P00fwBrIU1jlB8XsHnKgYA==", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707;\n\tt=1774371523; c=relaxed/relaxed;\n\tbh=s16obLPlfxX3ODE8B6LSIvb7UDetCIb25s0h37Tlk74=;\n\th=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References:\n\t MIME-Version:Content-Type;\n b=Jv8pcPDT+GGf0tUAM4YMn6qGs4AQPd8WRxoW+70+jTjl0jdqyW7H2xOy7okD3Mo+AkNdGpsrvmwa2e/T4zqKjlGphq9bPhyEub8CLGRwGSFdFQHsjus2jSsQ595zwuptGJKV2n9K92Mxt6AICqf3yCwy61oIRu+gkIpAYNgvQTCxb9ttyRNIhsdO+ijp48GQeQVGSsfIOhwB/u2XQia0nXonpBpAEJAZx2C9mJehamxv7bwQucFNDQWiYp1SU/L4zUqdDnmdObxCROrybohHrT8fTVlboJb22YKgzgIwmFnyMmWjSCsjLG88iroAx0Kru5f6qxIb6t9STO9Cj7Lkag==", "ARC-Authentication-Results": "i=1; lists.ozlabs.org;\n dmarc=pass (p=none dis=none) header.from=linux.intel.com;\n dkim=pass (2048-bit key;\n unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256\n header.s=Intel header.b=J8PRjTnR; dkim-atps=neutral;\n spf=pass (client-ip=198.175.65.13; helo=mgamail.intel.com;\n envelope-from=ilpo.jarvinen@linux.intel.com;\n receiver=lists.ozlabs.org) smtp.mailfrom=linux.intel.com", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1774371523; x=1805907523;\n h=from:to:cc:subject:date:message-id:in-reply-to:\n references:mime-version:content-transfer-encoding;\n bh=rU3n+FhgkyydByVdKs0lqSkLocKXu14IaAOX593F5w8=;\n b=J8PRjTnRJZDm7GsGDYHMsHfZJayLvO0munVlqFK+Md8Kz4GgrELoHZcB\n aegXvPJPg1VKML5LMbP+K4k1ti4nAP6F553PfAIOf4tqI+BMI0iL0WuUo\n 3eiJxsa0mhmQ2yd/uo+PTpGE31iYwAO/vk6mX9pWNyhCyzigIJk5HAWjj\n 1rQ8dyuS5p2wilfb2hIN87etXRQefx0thMD2KBWT8wRaba6j/akPBCu3f\n xvI8spWgpvutlCAlLGGD4joi5as62ujgtUIf3qU9zhCC5AXLfWlGTQto7\n DFw0eY6MxB2oBrsgznf9/Dqrmv5qwHlcazbYHqHHEdYpCtpwgemQxDJCH\n A==;", "X-CSE-ConnectionGUID": [ "SnV2FONwR2KU2V+51iJ15A==", "cUSLjl01TreRSEfKEtoT3A==" ], "X-CSE-MsgGUID": [ "Igt6sdxESVKmEeuiol1kkg==", "UG9hoz2GT3+u65rMjcqTqQ==" ], "X-IronPort-AV": [ "E=McAfee;i=\"6800,10657,11739\"; a=\"86471573\"", "E=Sophos;i=\"6.23,138,1770624000\";\n d=\"scan'208\";a=\"86471573\"", "E=Sophos;i=\"6.23,138,1770624000\";\n d=\"scan'208\";a=\"224421884\"" ], "X-ExtLoop1": "1", "From": "=?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>", "To": "linux-pci@vger.kernel.org,\n\tBjorn Helgaas <bhelgaas@google.com>,\n\tGuenter Roeck <linux@roeck-us.net>,\n\tlinux-alpha@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tlinux-m68k@lists.linux-m68k.org,\n\tlinux-mips@vger.kernel.org,\n\tlinux-parisc@vger.kernel.org,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-s390@vger.kernel.org,\n\tlinux-sh@vger.kernel.org,\n\tRussell King <linux@armlinux.org.uk>,\n\tGeert Uytterhoeven <geert@linux-m68k.org>,\n\tThomas Bogendoerfer <tsbogend@alpha.franken.de>,\n\t\"James E.J. Bottomley\" <James.Bottomley@HansenPartnership.com>,\n\tHelge Deller <deller@gmx.de>,\n\tMichael Ellerman <mpe@ellerman.id.au>,\n\tThomas Gleixner <tglx@kernel.org>,\n\tIngo Molnar <mingo@redhat.com>,\n\tBorislav Petkov <bp@alien8.de>,\n\tDave Hansen <dave.hansen@linux.intel.com>,\n\t\"H. Peter Anvin\" <hpa@zytor.com>,\n\tChris Zankel <chris@zankel.net>,\n\tMax Filippov <jcmvbkbc@gmail.com>,\n\tMadhavan Srinivasan <maddy@linux.ibm.com>,\n\tYoshinori Sato <ysato@users.sourceforge.jp>,\n\tRich Felker <dalias@libc.org>,\n\tJohn Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,\n\tlinux-kernel@vger.kernel.org", "Cc": "=?utf-8?q?Ilpo_J=C3=A4rvinen?= <ilpo.jarvinen@linux.intel.com>", "Subject": "[PATCH 01/10] resource: Add __resource_contains_unbound() for\n internal contains checks", "Date": "Tue, 24 Mar 2026 18:56:24 +0200", "Message-Id": "<20260324165633.4583-2-ilpo.jarvinen@linux.intel.com>", "X-Mailer": "git-send-email 2.39.5", "In-Reply-To": "<20260324165633.4583-1-ilpo.jarvinen@linux.intel.com>", "References": "<20260324165633.4583-1-ilpo.jarvinen@linux.intel.com>", "X-Mailing-List": "linuxppc-dev@lists.ozlabs.org", "List-Id": "<linuxppc-dev.lists.ozlabs.org>", "List-Help": "<mailto:linuxppc-dev+help@lists.ozlabs.org>", "List-Owner": "<mailto:linuxppc-dev+owner@lists.ozlabs.org>", "List-Post": "<mailto:linuxppc-dev@lists.ozlabs.org>", "List-Archive": "<https://lore.kernel.org/linuxppc-dev/>,\n <https://lists.ozlabs.org/pipermail/linuxppc-dev/>", "List-Subscribe": "<mailto:linuxppc-dev+subscribe@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-digest@lists.ozlabs.org>,\n <mailto:linuxppc-dev+subscribe-nomail@lists.ozlabs.org>", "List-Unsubscribe": "<mailto:linuxppc-dev+unsubscribe@lists.ozlabs.org>", "Precedence": "list", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=UTF-8", "Content-Transfer-Encoding": "8bit", "X-Spam-Status": "No, score=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED,\n\tDKIM_VALID,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1 OzLabs 8", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on lists.ozlabs.org" }, "content": "__find_resource_space() currently uses resource_contains() but for\ntentative resources that are not yet crafted into the resource tree. As\nresource_contains() checks that IORESOURCE_UNSET is not set for either\nof the resources, the caller has to hack around this problem by\nclearing the IORESOURCE_UNSET flag (essentially lying to\nresource_contains()).\n\nInstead of the hack, introduce __resource_contains_unbound() for cases\nlike this.\n\nSigned-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>\n---\n include/linux/ioport.h | 20 +++++++++++++++++---\n kernel/resource.c | 4 ++--\n 2 files changed, 19 insertions(+), 5 deletions(-)", "diff": "diff --git a/include/linux/ioport.h b/include/linux/ioport.h\nindex 5533a5debf3f..19d5e04564d9 100644\n--- a/include/linux/ioport.h\n+++ b/include/linux/ioport.h\n@@ -304,14 +304,28 @@ static inline unsigned long resource_ext_type(const struct resource *res)\n {\n \treturn res->flags & IORESOURCE_EXT_TYPE_BITS;\n }\n-/* True iff r1 completely contains r2 */\n-static inline bool resource_contains(const struct resource *r1, const struct resource *r2)\n+\n+/*\n+ * For checking if @r1 completely contains @r2 for resources that have real\n+ * addresses but are not yet crafted into the resource tree. Normally\n+ * resource_contains() should be used instead of this function as it checks\n+ * also IORESOURCE_UNSET flag.\n+ */\n+static inline bool __resource_contains_unbound(const struct resource *r1,\n+\t\t\t\t\t const struct resource *r2)\n {\n \tif (resource_type(r1) != resource_type(r2))\n \t\treturn false;\n+\n+\treturn r1->start <= r2->start && r1->end >= r2->end;\n+}\n+/* True iff r1 completely contains r2 */\n+static inline bool resource_contains(const struct resource *r1, const struct resource *r2)\n+{\n \tif (r1->flags & IORESOURCE_UNSET || r2->flags & IORESOURCE_UNSET)\n \t\treturn false;\n-\treturn r1->start <= r2->start && r1->end >= r2->end;\n+\n+\treturn __resource_contains_unbound(r1, r2);\n }\n \n /* True if any part of r1 overlaps r2 */\ndiff --git a/kernel/resource.c b/kernel/resource.c\nindex bb966699da31..1e2f1dfc0edd 100644\n--- a/kernel/resource.c\n+++ b/kernel/resource.c\n@@ -754,7 +754,7 @@ static int __find_resource_space(struct resource *root, struct resource *old,\n \t\t/* Check for overflow after ALIGN() */\n \t\tavail.start = ALIGN(tmp.start, constraint->align);\n \t\tavail.end = tmp.end;\n-\t\tavail.flags = new->flags & ~IORESOURCE_UNSET;\n+\t\tavail.flags = new->flags;\n \t\tif (avail.start >= tmp.start) {\n \t\t\talloc.flags = avail.flags;\n \t\t\tif (alignf) {\n@@ -765,7 +765,7 @@ static int __find_resource_space(struct resource *root, struct resource *old,\n \t\t\t}\n \t\t\talloc.end = alloc.start + size - 1;\n \t\t\tif (alloc.start <= alloc.end &&\n-\t\t\t resource_contains(&avail, &alloc)) {\n+\t\t\t __resource_contains_unbound(&avail, &alloc)) {\n \t\t\t\tnew->start = alloc.start;\n \t\t\t\tnew->end = alloc.end;\n \t\t\t\treturn 0;\n", "prefixes": [ "01/10" ] }