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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 561DFFEFB56 for ; Fri, 27 Feb 2026 14:30:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=lOp11MEHkYYwHRuUi0PZxSk1JN5+nTDJOLnSpDaUbDc=; b=TD11YSxMa6+eU3QKrdDa46PCEV /yZlZ3Dbuoar62XUIFoCM73Z18qz/6e2RBLexwQqiP7YQ7f+FueWetrIJ+vU4lRcehaEUnjNpd6i6 TiHF8WCPVrimC2PmB1vY1Au/Jiz0YEDJUBwxqitIfjR1F2sr7KOw+GcYhiukD9cwHe5gtsHbt02bj 9E5ODFPm8SasZUfvAhsiuhwm6xKrz24ohf5PwDrBnn8WEYa/qWO08YXSu1qqI0TcbKDalp/lu1oFb 48OB7TTFwF/IVyziGRSVCSDdUOzbpptQoiE5utJX7I1OgGEO9YsFlWPBUKlW9UbAd94mCXe0tN6fG Reb6KHGA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vvyrG-00000008V20-0JJo; Fri, 27 Feb 2026 14:30:22 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vvyrE-00000008V1j-3MoV; Fri, 27 Feb 2026 14:30:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=lOp11MEHkYYwHRuUi0PZxSk1JN5+nTDJOLnSpDaUbDc=; b=Z9TK/udXiurPXiytUakXbFeev1 ri7v9BFFO7R7ZiJvpbTW1JFNZRneKl3isIJyG3zHlkz9s2XQmusrQ/zacC5tOadz4Z7qmOWC49end 3fVssHWiU1uZPXJxiiQFriaeu9YgtBdmdglQ2CtYVshTHvu5aWjnfh1f3CqeCm2LMKGKqofhFMRq5 2FTQrOlmRLWH57X+/mT4zC19PNT7lNgxKvCQLn4m60NIZInXyfVhYVB3n68h6H+ZGw2r9VS0iGiNq QnT1zFqHAqIdiC0LM2DhVATtSnPcGUsNzzjMV7n5w3njjHXBfMs/S6eMK73CqMCrr/PUyh+1FLh1J kCLUtTiQ==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vvyrB-00000004hgm-0psV; Fri, 27 Feb 2026 14:30:17 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id B3685300CDE; Fri, 27 Feb 2026 15:30:16 +0100 (CET) Date: Fri, 27 Feb 2026 15:30:16 +0100 From: Peter Zijlstra 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 18/25] x86: move the XOR code to lib/raid/ Message-ID: <20260227143016.GH1282955@noisy.programming.kicks-ass.net> References: <20260226151106.144735-1-hch@lst.de> <20260226151106.144735-19-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260226151106.144735-19-hch@lst.de> X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Thu, Feb 26, 2026 at 07:10:30AM -0800, Christoph Hellwig wrote: > Move the optimized XOR code out of line into lib/raid. > > Signed-off-by: Christoph Hellwig > --- > arch/x86/include/asm/xor.h | 518 ++---------------- > arch/x86/include/asm/xor_64.h | 32 -- > lib/raid/xor/Makefile | 8 + > .../xor_avx.h => lib/raid/xor/x86/xor-avx.c | 14 +- > .../xor_32.h => lib/raid/xor/x86/xor-mmx.c | 60 +- > lib/raid/xor/x86/xor-sse.c | 476 ++++++++++++++++ I gotta ask, why lib/raid/xor/$arch/ instead of something like arch/$arch/lib/xor ?