From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 87E042EB5AF; Sat, 28 Feb 2026 05:37:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772257055; cv=none; b=eJvN/QXQHTmgxUR25TTfEGbJrx+9CbSuHaZGKvia5v1aLVmCZ6He/RMbLQ9SkfilzsvsuVuU4+2DkqJslcXhz28+8SM0lGcEnTLG24ql2aOhoA6AxHHjp8W/wyELnEyz66E7UlHk6xQH84c4oHRKFdnk6yW2Uz66UogMTT1IDH4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772257055; c=relaxed/simple; bh=eqLNM+it9jPNWRs+scO49PSKMIRVyGiqn9NcqSlCp7w=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=q/4XkdK9AuhzrwTLQlud7tjATmEfhZGZbtmeYjWmkRdxDVZ9XRkYeeThj1c8hMuUnP5cpDD53sXoJp4riVbhOYMnakmI29YmuLGzs9tRq3hyMUAQ5UmFKURd6ADH1DHpCYV2IIsm6vjYjXzeklov9WQVYaSJcMMuTl1ksM9kOko= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=vJAxXZ8K; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="vJAxXZ8K" 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> Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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