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Miller" , Andreas Larsson , Richard Weinberger , Anton Ivanov , Johannes Berg , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Herbert Xu , Dan Williams , Chris Mason , David Sterba , Arnd Bergmann , Song Liu , Yu Kuai , Li Nan , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-um@lists.infradead.org, linux-crypto@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-arch@vger.kernel.org, linux-raid@vger.kernel.org Subject: [PATCH 17/25] s390: move the XOR code to lib/raid/ Date: Thu, 26 Feb 2026 07:10:29 -0800 Message-ID: <20260226151106.144735-18-hch@lst.de> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260226151106.144735-1-hch@lst.de> References: <20260226151106.144735-1-hch@lst.de> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Move the optimized XOR into lib/raid and include it it in xor.ko instead of unconditionally building it into the main kernel image. Signed-off-by: Christoph Hellwig --- arch/s390/lib/Makefile | 2 +- lib/raid/xor/Makefile | 1 + {arch/s390/lib => lib/raid/xor/s390}/xor.c | 2 -- 3 files changed, 2 insertions(+), 3 deletions(-) rename {arch/s390/lib => lib/raid/xor/s390}/xor.c (98%) diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile index f43f897d3fc0..2bf47204f6ab 100644 --- a/arch/s390/lib/Makefile +++ b/arch/s390/lib/Makefile @@ -5,7 +5,7 @@ lib-y += delay.o string.o uaccess.o find.o spinlock.o tishift.o lib-y += csum-partial.o -obj-y += mem.o xor.o +obj-y += mem.o lib-$(CONFIG_KPROBES) += probes.o lib-$(CONFIG_UPROBES) += probes.o obj-$(CONFIG_S390_KPROBES_SANITY_TEST) += test_kprobes_s390.o diff --git a/lib/raid/xor/Makefile b/lib/raid/xor/Makefile index eb7617b5c61b..15fd8797ae61 100644 --- a/lib/raid/xor/Makefile +++ b/lib/raid/xor/Makefile @@ -22,6 +22,7 @@ xor-$(CONFIG_RISCV_ISA_V) += riscv/xor.o riscv/xor-glue.o xor-$(CONFIG_SPARC32) += sparc/xor-sparc32.o xor-$(CONFIG_SPARC64) += sparc/xor-vis.o sparc/xor-vis-glue.o xor-$(CONFIG_SPARC64) += sparc/xor-niagara.o sparc/xor-niagara-glue.o +xor-$(CONFIG_S390) += s390/xor.o CFLAGS_arm/xor-neon.o += $(CC_FLAGS_FPU) diff --git a/arch/s390/lib/xor.c b/lib/raid/xor/s390/xor.c similarity index 98% rename from arch/s390/lib/xor.c rename to lib/raid/xor/s390/xor.c index 4d5ed638d850..2d5e33eca2a8 100644 --- a/arch/s390/lib/xor.c +++ b/lib/raid/xor/s390/xor.c @@ -7,7 +7,6 @@ */ #include -#include #include #include @@ -134,4 +133,3 @@ struct xor_block_template xor_block_xc = { .do_4 = xor_xc_4, .do_5 = xor_xc_5, }; -EXPORT_SYMBOL(xor_block_xc); -- 2.47.3