Received: by 2002:a05:6a10:1d13:0:0:0:0 with SMTP id pp19csp1320692pxb; Fri, 27 Aug 2021 06:25:46 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwUZUmdDPe1vXi1YYfb0qOvrGgsXUaRpEuruEt/70V7RUHS3dkf0IjRXgsATXm5VOyGpi/x X-Received: by 2002:a17:906:b1d5:: with SMTP id bv21mr9909457ejb.346.1630070745965; Fri, 27 Aug 2021 06:25:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1630070745; cv=none; d=google.com; s=arc-20160816; b=a/CzAStQYkD27bDekYMe3asBMnRNFfDHHkiCt91jFn9vM326SNGCgk/YMQYwokk+My 6pGVuwE4ZRh+ekr5UmZYvN4NiPTQiI/PFSwAEeBbvQWBwPgqx1NNbU0Nk3EgQiAc0Z+T 7xGWp63kqmLIhP/HpoAFdvWhJ83c/fM6wqb6V0iNVM3w2y1RewTFQfqkKF6MiazT48P1 qhXDjC1ZklbpKwkekXgPn4jGLBphDIFVL7EaKRMlR0iRm2PSVj4yLso6mO0qYynxo/dL cf/9Bd02O5NpzuM+u4wO72WAkavQwhTXWKA7IrhHm04XMzs6eNL/1Tj7DZN3hA7aLynz Am9Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version:date :message-id:subject:references:in-reply-to:cc:to:from; bh=qko71AcWB+QS8BBlvBs/RP2W4biaj52YwVJkix06tWs=; b=q0y3vGh46nIbEmFCbS0tOI2RQuQ3ITesnGQGNsyNdIr8aSGuPBmkxDKTthuZtyGzD6 kCDrvCCkoRsrkhUX2PWXSKjoQsottiiLkpDJmuf5H/ZtwZNLpKSqViKonPvKgJMu4fT7 Isp4kQqy/wk8jGbSB0/DVmPQ2Oqiw//i3DrPpcUk2h3/wXugKHyLKy+IUjhxKwfUyhuF YdcZh+3pftlaziN3Rxg28QY8e+vsWlZcn8OMz76uPf7hMyQSk5s8iMp96/nadl3I3kht iA/ODg4ombQsUa7qANj00KbRd/3MHTg7Wzj+OhA8VtkKW6ZgABSzdJG+2PfvGE6Nd1oo Z3TA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id cw2si6035528ejc.730.2021.08.27.06.25.21; Fri, 27 Aug 2021 06:25:45 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245346AbhH0NXU (ORCPT + 99 others); Fri, 27 Aug 2021 09:23:20 -0400 Received: from ozlabs.org ([203.11.71.1]:46927 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245403AbhH0NWx (ORCPT ); Fri, 27 Aug 2021 09:22:53 -0400 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4Gx0k33Dwyz9sWq; Fri, 27 Aug 2021 23:22:03 +1000 (AEST) From: Michael Ellerman To: Michael Ellerman , Christophe Leroy , Paul Mackerras , Benjamin Herrenschmidt Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org In-Reply-To: References: Subject: Re: [PATCH] powerpc/32: Remove unneccessary calculations in load_up_{fpu/altivec} Message-Id: <163007013987.52768.9451271906730834709.b4-ty@ellerman.id.au> Date: Fri, 27 Aug 2021 23:15:39 +1000 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 18 Aug 2021 08:47:28 +0000 (UTC), Christophe Leroy wrote: > No need to re-read SPRN_THREAD, we can calculate thread address > from current (r2). > > And remove a reload of value 1 into r4 as r4 is already 1. > > > > [...] Applied to powerpc/next. [1/1] powerpc/32: Remove unneccessary calculations in load_up_{fpu/altivec} https://git.kernel.org/powerpc/c/51ed00e71f0130e0f3534b8e7d78facd16829426 cheers