From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1FDC9FEE4C8 for ; Sat, 28 Feb 2026 05:37:41 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fNDVX0SNBz30hg; Sat, 28 Feb 2026 16:37:40 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip="2600:3c0a:e001:78e:0:1991:8:25" ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1772257059; cv=none; b=czW4O32tUNyrDIXxOcDj13a4E/V36JDOXAUBvWeoMexbQn1aQRIxkZQSkr0B4l+O4v605sbptTL4dUatWl20l2dL1+lFK3gTqxIzthNWIIC1aVEeRJmEIZ+bU0ERU4aPH2MkYSV9PUCNGjEMQZfVuawCkPps3nZ6Auw01cpTe7krp/Sw1A2CyVEdyZuPy3bcraC2bdjVTZB+TXREFkOdPQJ+BY8/vhAmJ2grfaxDsxRHqZQyz7fPj+bY01vth5JyDm9P7whZM0m5QyVmTJiYxfATLZVgCT0B0kZJkfHnMndnMB+OOHL6PjLHcdAVS+b/LDLLmKujngjTx7QrZL8gfQ== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1772257059; c=relaxed/relaxed; bh=pPKu8pyhkInpX09bIAbmlPH+OLoaLy8SUm0nQHgk8LI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=JDJVPOA+L0ZViq3UV812E1xeSOS5I+zD3JsRMYWyCZDMElGVNGETHDskFPEcShZ67L2xbuVSNKrIFgZbtCs9Vb+5+4Kc3U6bH6+wlg3/wNbr0u4RdU0UDeTtqYTypROUzvSUxOdk/DYnv4qv1aN4nE9bmS4R2H4NzAIfBjJpOzqDG5IgwGaz6UDv8sai2jbscakmbzyIo0hNYSLCJwfuC/T9RT7/c5zYcsAlXULk7AVAjNI1l7AtuoHwJn1viftU6hKPN7aKDXSBQsUWFVwBbdZ5YnGLrxGsxfov6EEuFc3AJkeXnriT21AROMn8rOy46fv6svaAY+izpP3yea4PNg== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=vJAxXZ8K; dkim-atps=neutral; spf=pass (client-ip=2600:3c0a:e001:78e:0:1991:8:25; helo=sea.source.kernel.org; envelope-from=ebiggers@kernel.org; receiver=lists.ozlabs.org) smtp.mailfrom=kernel.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=vJAxXZ8K; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2600:3c0a:e001:78e:0:1991:8:25; helo=sea.source.kernel.org; envelope-from=ebiggers@kernel.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [IPv6:2600:3c0a:e001:78e:0:1991:8:25]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4fNDVV0Crsz30BR for ; Sat, 28 Feb 2026 16:37:37 +1100 (AEDT) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 555454064C; Sat, 28 Feb 2026 05:37:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BE76EC116D0; Sat, 28 Feb 2026 05:37:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772257055; bh=eqLNM+it9jPNWRs+scO49PSKMIRVyGiqn9NcqSlCp7w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=vJAxXZ8Kz5WRI3FAqQiiWltyd3uQ9vRfiXCgBQwT4V+lApPXGfBKpNyhyElFSuB3u XB4VENMAfKNQt4jt5mepYgezGyP/JFcan/V5g78ruKQj4Ji3BOedSoLRvaGOzY6b7q Mc5XWWLUQF0PcVSlTTmo7S7Zck6GQKRu3zWFaP+B5XItpiitYzcZpUfca6qi8XUfOd 6vh1cIQZcaLVpiV5n3ZguAWWWmPlxPcj2Nj9plSsomBCSSLqZZekWhAfjQ2YeYW7iu rDzWS5l+PL0z3I+4kxGk4sYmPecb+wzM6vyPcl7Y9d2Uxa1CYls2Am5BPUZnt/qH5z mB77YqO/RTn8A== Date: Fri, 27 Feb 2026 21:37:30 -0800 From: Eric Biggers To: Christoph Hellwig Cc: Andrew Morton , Richard Henderson , Matt Turner , Magnus Lindholm , Russell King , Catalin Marinas , Will Deacon , Huacai Chen , WANG Xuerui , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , "David S. 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: Re: [PATCH 15/25] riscv: move the XOR code to lib/raid/ Message-ID: <20260228053730.GE65277@quark> References: <20260226151106.144735-1-hch@lst.de> <20260226151106.144735-16-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-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260226151106.144735-16-hch@lst.de> On Thu, Feb 26, 2026 at 07:10:27AM -0800, Christoph Hellwig wrote: > Move the optimized XOR into lib/raid and include it it in xor.ko > instead of always building it into the main kernel image. > > Signed-off-by: Christoph Hellwig > --- > arch/riscv/include/asm/xor.h | 54 +------------------ > arch/riscv/lib/Makefile | 1 - > lib/raid/xor/Makefile | 1 + > lib/raid/xor/riscv/xor-glue.c | 56 ++++++++++++++++++++ > {arch/riscv/lib => lib/raid/xor/riscv}/xor.S | 0 The EXPORT_SYMBOL() statements in xor.S can be removed, since the functions are now located in the same module as their callers. - Eric