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 4B720EDA693 for ; Tue, 3 Mar 2026 16:05:53 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4fQLHz69ysz30Lw; Wed, 04 Mar 2026 03:05:51 +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=1772553951; cv=none; b=aRv86w9xthiGqh5dvbUq4ebE3Q6V0qC8PoDEfleO1P+WU4ThmcpHL8gp+Pj9QfJ0wIiNLw2FY7av+m/aoih7bu/3TCkfIwXVaEWXH9K72gvkKZoikaMK7I8CJRRvMwmHRFp7nCoD4pAGpoTxuPzRxNhjchVx0zWolXX1R7nyPxZncKlEeCIi6aWFYAQ6mppG0zNWkhUe9mGT9EnZQgL+1a3crPQXqKv8/oowEibVJ0cD919hjYvL85R0UEnMQf21f/aaAu8wqXyFm4FgQMX7/oNBDKfaXP6rVIJa3e2ZBnKeVmaVOwlTPCrV7LlOWXEAUEcyFq6AkvY9MeEFYsoBQg== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1772553951; c=relaxed/relaxed; bh=8ZtP2eiqo9Oq7WEnEjSsfSf6tBntt8UGm+9MQ8eyCOg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gXUCF3oJf2H9UhDZuKvjLVw5XFezeYaTgqjXHZ1ZdvCJbFgBcUDzup1Z2oyQ/ZrubwQiCPeXWlK6oxJ/qofWGyKEhGMmwQzrIAw11jKKex9Lr/TO11Nrr3i2INIqMTB4eMh4mB7Um2Gkvp5ULxzaAhqNyinc4a+FEs1EsyjU9dMj2mHGf9TMA7bxVXzgtC/pyxGL2YDFYkaD2wigML3jC/SGUiPYdxnXtgFOhEuuaLzUnSE1jVWq7NUxAdK58oOqADZhUpDsDJ1uwgrJD2B1qkSmM71dnlGspIW7lJxUkIFSBlFME7QA9HUbCSql+piv/drYfvcLC6jw3o5nZ6bL3A== 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 4fQLHz1PG7z2xP9 for ; Wed, 04 Mar 2026 03:05:51 +1100 (AEDT) Received: by verein.lst.de (Postfix, from userid 2407) id BF4F068BEB; Tue, 3 Mar 2026 17:05:46 +0100 (CET) Date: Tue, 3 Mar 2026 17:05:46 +0100 From: Christoph Hellwig To: Peter Zijlstra Cc: Eric Biggers , 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 18/25] x86: move the XOR code to lib/raid/ Message-ID: <20260303160546.GF7021@lst.de> References: <20260226151106.144735-1-hch@lst.de> <20260226151106.144735-19-hch@lst.de> <20260227143016.GH1282955@noisy.programming.kicks-ass.net> <20260227235529.GA31321@quark> <20260228103117.GK1282955@noisy.programming.kicks-ass.net> 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: <20260228103117.GK1282955@noisy.programming.kicks-ass.net> User-Agent: Mutt/1.5.17 (2007-11-01) On Sat, Feb 28, 2026 at 11:31:17AM +0100, Peter Zijlstra wrote: > Hmm, I suppose. Its just weird that we now have to look in both > arch/$foo and lib/*/$foo/ to find all arch code. We've had instance of that for a long time, e.g. lib/raid6/ > And I don't suppose symlinks would make it better? Ugg, just purely from the organizaton perspective it would make things a lot worse. I'm also not sure how well git copes with symlinks.