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GET /api/patches/2216764/?format=api
{ "id": 2216764, "url": "http://patchwork.ozlabs.org/api/patches/2216764/?format=api", "web_url": "http://patchwork.ozlabs.org/project/sparclinux/patch/20260327061704.3707577-19-hch@lst.de/", "project": { "id": 10, "url": "http://patchwork.ozlabs.org/api/projects/10/?format=api", "name": "Linux SPARC Development ", "link_name": "sparclinux", "list_id": "sparclinux.vger.kernel.org", "list_email": "sparclinux@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260327061704.3707577-19-hch@lst.de>", "list_archive_url": null, "date": "2026-03-27T06:16:50", "name": "[18/28] s390: move the XOR code to lib/raid/", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "d03a11c1092a3c198ffb2f18cc5d914fdd9e74af", "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/sparclinux/patch/20260327061704.3707577-19-hch@lst.de/mbox/", "series": [ { "id": 497694, "url": "http://patchwork.ozlabs.org/api/series/497694/?format=api", "web_url": "http://patchwork.ozlabs.org/project/sparclinux/list/?series=497694", "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/497694/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216764/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216764/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <SRS0=5fcm=B3=vger.kernel.org=sparclinux+bounces-6593-patchwork-incoming=ozlabs.org@ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "sparclinux@vger.kernel.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "patchwork-incoming@ozlabs.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256\n header.s=bombadil.20210309 header.b=jbTy0blM;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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arc=none smtp.client-ip=198.137.202.133" ], "DKIM-Signature": "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding:\n\tMIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Sender\n\t:Reply-To:Content-Type:Content-ID:Content-Description;\n\tbh=BdVPVlwvvRbu6Ap4c1Yxra64LIHrZ5JEG5D01pyAOLU=; b=jbTy0blMsiFJaENxUZ6t4bavnD\n\tWuKxRujRYYMfBd53xfMqeVo3T7j6Juqzi4vzIrMVU54dDV+YUM4NRSY2mYt/iQRmPErzlLkH/gp6n\n\tniuiI3cbqIw+YC/rrPszrQr8KB375hmfeqqGXCtY6YuVOVlE3u0+9sGehO9w8fSUKWzKvwmkP7QF1\n\t2iqC0VF+WcV+nLC6zA1PJ3Bo/WxsaaF39r4OoCm01kvWTAD5V3sNf7p/Wr7NTIvYP4UbmihWUvYkZ\n\t9dP+cmB7Rjlag5QV9yBKizeG1EK3zapaXp59jHiiItBVnmfNbMIIdstoJR3Qlc35GUnXXoeOGCA3q\n\ttv7PUpWA==;", "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 18/28] s390: move the XOR code to lib/raid/", "Date": "Fri, 27 Mar 2026 07:16:50 +0100", "Message-ID": "<20260327061704.3707577-19-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>", "Precedence": "bulk", "X-Mailing-List": "sparclinux@vger.kernel.org", "List-Id": "<sparclinux.vger.kernel.org>", "List-Subscribe": "<mailto:sparclinux+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:sparclinux+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-SRS-Rewrite": "SMTP reverse-path rewritten from <hch@infradead.org> by\n bombadil.infradead.org. See http://www.infradead.org/rpr.html", "X-Spam-Status": "No, score=-0.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIM_SIGNED,DKIM_VALID,DMARC_NONE,HEADER_FROM_DIFFERENT_DOMAINS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org" }, "content": "Move the optimized XOR into lib/raid and include it it in xor.ko\ninstead of unconditionally building it into the main kernel image.\n\nSigned-off-by: Christoph Hellwig <hch@lst.de>\nAcked-by: Heiko Carstens <hca@linux.ibm.com>\n---\n arch/s390/lib/Makefile | 2 +-\n lib/raid/xor/Makefile | 1 +\n {arch/s390/lib => lib/raid/xor/s390}/xor.c | 2 --\n 3 files changed, 2 insertions(+), 3 deletions(-)\n rename {arch/s390/lib => lib/raid/xor/s390}/xor.c (98%)", "diff": "diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile\nindex f43f897d3fc0..2bf47204f6ab 100644\n--- a/arch/s390/lib/Makefile\n+++ b/arch/s390/lib/Makefile\n@@ -5,7 +5,7 @@\n \n lib-y += delay.o string.o uaccess.o find.o spinlock.o tishift.o\n lib-y += csum-partial.o\n-obj-y += mem.o xor.o\n+obj-y += mem.o\n lib-$(CONFIG_KPROBES) += probes.o\n lib-$(CONFIG_UPROBES) += probes.o\n obj-$(CONFIG_S390_KPROBES_SANITY_TEST) += test_kprobes_s390.o\ndiff --git a/lib/raid/xor/Makefile b/lib/raid/xor/Makefile\nindex 3a7c887d08ee..3db6c2b2f26a 100644\n--- a/lib/raid/xor/Makefile\n+++ b/lib/raid/xor/Makefile\n@@ -20,6 +20,7 @@ xor-$(CONFIG_ALTIVEC)\t\t+= powerpc/xor_vmx.o powerpc/xor_vmx_glue.o\n xor-$(CONFIG_RISCV_ISA_V)\t+= riscv/xor.o riscv/xor-glue.o\n xor-$(CONFIG_SPARC32)\t\t+= sparc/xor-sparc32.o\n xor-$(CONFIG_SPARC64)\t\t+= sparc/xor-sparc64.o sparc/xor-sparc64-glue.o\n+xor-$(CONFIG_S390)\t\t+= s390/xor.o\n \n \n CFLAGS_arm/xor-neon.o\t\t+= $(CC_FLAGS_FPU)\ndiff --git a/arch/s390/lib/xor.c b/lib/raid/xor/s390/xor.c\nsimilarity index 98%\nrename from arch/s390/lib/xor.c\nrename to lib/raid/xor/s390/xor.c\nindex 3bbe21b40e66..acbd268adfc8 100644\n--- a/arch/s390/lib/xor.c\n+++ b/lib/raid/xor/s390/xor.c\n@@ -7,7 +7,6 @@\n */\n \n #include <linux/types.h>\n-#include <linux/export.h>\n #include <linux/raid/xor_impl.h>\n #include <asm/xor.h>\n \n@@ -133,4 +132,3 @@ struct xor_block_template xor_block_xc = {\n \t.do_4 = xor_xc_4,\n \t.do_5 = xor_xc_5,\n };\n-EXPORT_SYMBOL(xor_block_xc);\n", "prefixes": [ "18/28" ] }