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 4FB63FD2D91 for ; Tue, 10 Mar 2026 14:00:37 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fVbBC5sFfz3cB5; Wed, 11 Mar 2026 01:00:35 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=213.95.11.211 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1773151235; cv=none; b=IDMKOH/5gy9B9Sena5vzXNwXBTUdW0SvESqy71Ga50HG+DXV6DpBDcWb5MROXrALzKpAKloKYdsrY2p2FDYOyqTWf/qrE9ZqWUeEC14rJHmC2792p9YlkNzk8JgCeupCLPGIYIlpgRRB4A+UAOqBujDfpW6DHY+3YlBruShBLS0WIQ+f/XtzsbHx8DUOACAAizU2hUaVTbvNUJao6oqQGu9GuVYsaSxfIgF/bXmmS66rxHhKKpTzc2B3GF0HEgdPJVjLzUiU7BZDVBwWiJEot3YcUAgLkmJMePZiHGSREdOmXbWk7WKlrNa5m4NYtEkhoNfR47otlq0lTEhGESziXw== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1773151235; c=relaxed/relaxed; bh=KBtM6FHB1Hg+j/uC6YjMuSNyq8zYoksAvnYz45W3iLo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ly93W9YLYUMJ1r7TJZl0aFM9bk5tIjcT4w8I+sGZ8PxcG6LNrkaDpc8Ce29NWasFwXcP6vSx81+KqHfnMw/hVIXW/3bB8RkoQu+4KOAslc/pycZ7CDy9hXeMRXbrKiH3CX2zAkWNuIwqFv2iim8MBWj05cagd9OmS5U5gBGJPfAo/R0vpsp0FpBYDqtJmI44C+8lTGQsbh1Jm7gh/26dJ7bnAC6cCQBGHCQX6/vPiS3uRqSrtGZVsp/llzYRMjdqwHuTGe7bjkMShxQBRbZHyf7zjDs2GaydTMz5+qqQIo3Q3+vYtDGsojpLq4U8M+ArCsjm0rxlplDGs7ESUm+4SQ== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=lst.de; spf=pass (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=lists.ozlabs.org) smtp.mailfrom=lst.de Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=lists.ozlabs.org) Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4fVbBB6MQGz30Lw for ; Wed, 11 Mar 2026 01:00:34 +1100 (AEDT) Received: by verein.lst.de (Postfix, from userid 2407) id 9EFDD68C4E; Tue, 10 Mar 2026 15:00:21 +0100 (CET) Date: Tue, 10 Mar 2026 15:00:20 +0100 From: Christoph Hellwig To: Eric Biggers Cc: Christoph Hellwig , 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 09/25] xor: move generic implementations out of asm-generic/xor.h Message-ID: <20260310140020.GA8490@lst.de> References: <20260226151106.144735-1-hch@lst.de> <20260226151106.144735-10-hch@lst.de> <20260228071521.GK65277@quark> <20260303160911.GI7021@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: <20260303160911.GI7021@lst.de> User-Agent: Mutt/1.5.17 (2007-11-01) On Tue, Mar 03, 2026 at 05:09:11PM +0100, Christoph Hellwig wrote: > And earlier version did this, but it's a bit ugly. What I might > consider is to require architectures that provide optimized version > to opt into any generic one they want to use. This would require > extra kconfig symbols, but be a lot cleaner overall. I looked into this, but because the static_call requires a default version I gave up on it for now. In theory we could build just a single generic one for that and make the others optional, but that feels a bit odd.