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GET /api/patches/2216687/?format=api
{ "id": 2216687, "url": "http://patchwork.ozlabs.org/api/patches/2216687/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-um/patch/20260327061704.3707577-3-hch@lst.de/", "project": { "id": 60, "url": "http://patchwork.ozlabs.org/api/projects/60/?format=api", "name": "User-mode Linux Development", "link_name": "linux-um", "list_id": "linux-um.lists.infradead.org", "list_email": "linux-um@lists.infradead.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260327061704.3707577-3-hch@lst.de>", "list_archive_url": null, "date": "2026-03-27T06:16:34", "name": "[02/28] arm/xor: remove in_interrupt() handling", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "101e04cf7b0f81dcaafc92dd31a9459c32ec1ce5", "submitter": { "id": 82, "url": "http://patchwork.ozlabs.org/api/people/82/?format=api", "name": "Christoph Hellwig", "email": "hch@lst.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-um/patch/20260327061704.3707577-3-hch@lst.de/mbox/", "series": [ { "id": 497692, "url": "http://patchwork.ozlabs.org/api/series/497692/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-um/list/?series=497692", "date": "2026-03-27T06:16:33", "name": "[01/28] xor: assert that xor_blocks is not call from interrupt context", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/497692/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216687/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216687/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=pvAigDZL;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org;\n envelope-from=linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from bombadil.infradead.org (bombadil.infradead.org\n [IPv6:2607:7c80:54:3::133])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fhr6T4t3jz1y1j\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 27 Mar 2026 17:17:53 +1100 (AEDT)", "from localhost ([::1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux))\n\tid 1w60W0-00000006kjJ-0ZHU;\n\tFri, 27 Mar 2026 06:17:52 +0000", "from\n 2a02-8389-2341-5b80-d601-7564-c2e0-491c.cable.dynamic.v6.surfer.at\n ([2a02:8389:2341:5b80:d601:7564:c2e0:491c] helo=localhost)\n\tby bombadil.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux))\n\tid 1w60Vx-00000006kcV-01lD;\n\tFri, 27 Mar 2026 06:17:49 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help\n\t:List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding:\n\tMIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:\n\tReply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From:\n\tResent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner;\n\tbh=5Q4WO2fmqU3XVJCOHArp4PLeLItyndyIBgJVZQfhExI=; b=pvAigDZLnsaTUYQtTNIkfEyw3b\n\tigKzeWmYYvi6l6WMewfIGIzsaJP25utF5d1QG9SD+dRoW39cCCRRxfR0w+wW9p0oV/VwaVB4JRcjl\n\tCerQcT0+jMVAy/2jwFdGW4JgzaqX6N3IpmbnXeU+vvyhj5kMRfEeqAFlrwsBK0dipl7SJC48ha5iZ\n\tbCDJ/5pGE5WR3RgXMXu5tAYMFIa2SpsF0jsaU+aAC1FmLouIMYgUSr7gZzkMDMmP+ax0LYS+5YgQS\n\te/ic0prl8eBBgu/WsujFqi9pdWnBeBKCzU4hH/11iZgoEYrveq76Ua0FXBjmM5A73QQUzE1o+pyEt\n\tcxaBgJdg==;", "From": "Christoph Hellwig <hch@lst.de>", "To": "Andrew Morton <akpm@linux-foundation.org>", "Cc": "Richard Henderson <richard.henderson@linaro.org>,\n\tMatt Turner <mattst88@gmail.com>,\n\tMagnus Lindholm <linmag7@gmail.com>,\n\tRussell King <linux@armlinux.org.uk>,\n\tCatalin Marinas <catalin.marinas@arm.com>,\n\tWill Deacon <will@kernel.org>,\n\tArd Biesheuvel <ardb@kernel.org>,\n\tHuacai Chen <chenhuacai@kernel.org>,\n\tWANG Xuerui <kernel@xen0n.name>,\n\tMadhavan Srinivasan <maddy@linux.ibm.com>,\n\tMichael Ellerman <mpe@ellerman.id.au>,\n\tNicholas Piggin <npiggin@gmail.com>,\n\t\"Christophe Leroy (CS GROUP)\" <chleroy@kernel.org>,\n\tPaul Walmsley <pjw@kernel.org>,\n\tPalmer Dabbelt <palmer@dabbelt.com>,\n\tAlbert Ou <aou@eecs.berkeley.edu>,\n\tAlexandre Ghiti <alex@ghiti.fr>,\n\tHeiko Carstens <hca@linux.ibm.com>,\n\tVasily Gorbik <gor@linux.ibm.com>,\n\tAlexander Gordeev <agordeev@linux.ibm.com>,\n\tChristian Borntraeger <borntraeger@linux.ibm.com>,\n\tSven Schnelle <svens@linux.ibm.com>,\n\t\"David S. Miller\" <davem@davemloft.net>,\n\tAndreas Larsson <andreas@gaisler.com>,\n\tRichard Weinberger <richard@nod.at>,\n\tAnton Ivanov <anton.ivanov@cambridgegreys.com>,\n\tJohannes Berg <johannes@sipsolutions.net>,\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\tx86@kernel.org,\n\t\"H. Peter Anvin\" <hpa@zytor.com>,\n\tHerbert Xu <herbert@gondor.apana.org.au>,\n\tDan Williams <dan.j.williams@intel.com>,\n\tChris Mason <clm@fb.com>,\n\tDavid Sterba <dsterba@suse.com>,\n\tArnd Bergmann <arnd@arndb.de>,\n\tSong Liu <song@kernel.org>,\n\tYu Kuai <yukuai@fnnas.com>,\n\tLi Nan <linan122@huawei.com>,\n\t\"Theodore Ts'o\" <tytso@mit.edu>,\n\t\"Jason A. Donenfeld\" <Jason@zx2c4.com>,\n\tlinux-alpha@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tlinux-arm-kernel@lists.infradead.org,\n\tloongarch@lists.linux.dev,\n\tlinuxppc-dev@lists.ozlabs.org,\n\tlinux-riscv@lists.infradead.org,\n\tlinux-s390@vger.kernel.org,\n\tsparclinux@vger.kernel.org,\n\tlinux-um@lists.infradead.org,\n\tlinux-crypto@vger.kernel.org,\n\tlinux-btrfs@vger.kernel.org,\n\tlinux-arch@vger.kernel.org,\n\tlinux-raid@vger.kernel.org", "Subject": "[PATCH 02/28] arm/xor: remove in_interrupt() handling", "Date": "Fri, 27 Mar 2026 07:16:34 +0100", "Message-ID": "<20260327061704.3707577-3-hch@lst.de>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20260327061704.3707577-1-hch@lst.de>", "References": "<20260327061704.3707577-1-hch@lst.de>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "linux-um@lists.infradead.org", "X-Mailman-Version": "2.1.34", "Precedence": "list", "List-Id": "<linux-um.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-um>,\n <mailto:linux-um-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-um/>", "List-Post": "<mailto:linux-um@lists.infradead.org>", "List-Help": "<mailto:linux-um-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-um>,\n <mailto:linux-um-request@lists.infradead.org?subject=subscribe>", "Sender": "\"linux-um\" <linux-um-bounces@lists.infradead.org>", "Errors-To": "linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "xor_blocks can't be called from interrupt context, so remove the\nhandling for that.\n\nSigned-off-by: Christoph Hellwig <hch@lst.de>\n---\n arch/arm/include/asm/xor.h | 41 +++++++++++---------------------------\n 1 file changed, 12 insertions(+), 29 deletions(-)", "diff": "diff --git a/arch/arm/include/asm/xor.h b/arch/arm/include/asm/xor.h\nindex 934b549905f5..bca2a6514746 100644\n--- a/arch/arm/include/asm/xor.h\n+++ b/arch/arm/include/asm/xor.h\n@@ -4,7 +4,6 @@\n *\n * Copyright (C) 2001 Russell King\n */\n-#include <linux/hardirq.h>\n #include <asm-generic/xor.h>\n #include <asm/hwcap.h>\n #include <asm/neon.h>\n@@ -156,13 +155,9 @@ static void\n xor_neon_2(unsigned long bytes, unsigned long * __restrict p1,\n \t const unsigned long * __restrict p2)\n {\n-\tif (in_interrupt()) {\n-\t\txor_arm4regs_2(bytes, p1, p2);\n-\t} else {\n-\t\tkernel_neon_begin();\n-\t\txor_block_neon_inner.do_2(bytes, p1, p2);\n-\t\tkernel_neon_end();\n-\t}\n+\tkernel_neon_begin();\n+\txor_block_neon_inner.do_2(bytes, p1, p2);\n+\tkernel_neon_end();\n }\n \n static void\n@@ -170,13 +165,9 @@ xor_neon_3(unsigned long bytes, unsigned long * __restrict p1,\n \t const unsigned long * __restrict p2,\n \t const unsigned long * __restrict p3)\n {\n-\tif (in_interrupt()) {\n-\t\txor_arm4regs_3(bytes, p1, p2, p3);\n-\t} else {\n-\t\tkernel_neon_begin();\n-\t\txor_block_neon_inner.do_3(bytes, p1, p2, p3);\n-\t\tkernel_neon_end();\n-\t}\n+\tkernel_neon_begin();\n+\txor_block_neon_inner.do_3(bytes, p1, p2, p3);\n+\tkernel_neon_end();\n }\n \n static void\n@@ -185,13 +176,9 @@ xor_neon_4(unsigned long bytes, unsigned long * __restrict p1,\n \t const unsigned long * __restrict p3,\n \t const unsigned long * __restrict p4)\n {\n-\tif (in_interrupt()) {\n-\t\txor_arm4regs_4(bytes, p1, p2, p3, p4);\n-\t} else {\n-\t\tkernel_neon_begin();\n-\t\txor_block_neon_inner.do_4(bytes, p1, p2, p3, p4);\n-\t\tkernel_neon_end();\n-\t}\n+\tkernel_neon_begin();\n+\txor_block_neon_inner.do_4(bytes, p1, p2, p3, p4);\n+\tkernel_neon_end();\n }\n \n static void\n@@ -201,13 +188,9 @@ xor_neon_5(unsigned long bytes, unsigned long * __restrict p1,\n \t const unsigned long * __restrict p4,\n \t const unsigned long * __restrict p5)\n {\n-\tif (in_interrupt()) {\n-\t\txor_arm4regs_5(bytes, p1, p2, p3, p4, p5);\n-\t} else {\n-\t\tkernel_neon_begin();\n-\t\txor_block_neon_inner.do_5(bytes, p1, p2, p3, p4, p5);\n-\t\tkernel_neon_end();\n-\t}\n+\tkernel_neon_begin();\n+\txor_block_neon_inner.do_5(bytes, p1, p2, p3, p4, p5);\n+\tkernel_neon_end();\n }\n \n static struct xor_block_template xor_block_neon = {\n", "prefixes": [ "02/28" ] }