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 X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D2ABC43331 for ; Thu, 26 Mar 2020 16:28:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6EE8720787 for ; Thu, 26 Mar 2020 16:28:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="pduojzUf" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728609AbgCZQ26 (ORCPT ); Thu, 26 Mar 2020 12:28:58 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:42157 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726163AbgCZQ26 (ORCPT ); Thu, 26 Mar 2020 12:28:58 -0400 Received: by mail-pg1-f194.google.com with SMTP id h8so3121724pgs.9 for ; Thu, 26 Mar 2020 09:28:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=FOCLu4AARJuZ4ixem6J8zMfavgX09kkCrtdGa/hq7aU=; b=pduojzUfXYnFTQAEYPYEScZdl3/PD1+lplzovUfNR3/RAZahZS0elhCkWohRbmPIKJ y2crZpUW8OiCOhXEgM3l9Jp2rcxrkyWX3Kp6w4Bd+6H7vGqFvmFuUOyQkfpTiRHCyRbq aePyoA7++YZNqtL56JN4QaI2053GKgiEF3u+PDprwlQ71zYZBERTXfZ9Aa26Bt2Cq+yR B9984tMIeihWA41mj2FNon1rbx9zcXFu63b6TpXdJmLUxSXvyrdAiiThrupMvE5ac1Yl +sXxJyG6wEN/jIg7Oj0o0lkSZIkJ+V3T/gsb17ZAs7RvarWYfMucTsis4FFQ6P6qdel3 i3+Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=FOCLu4AARJuZ4ixem6J8zMfavgX09kkCrtdGa/hq7aU=; b=kcylFTtintY6/P3YxgJzeQ8Mf0Dmg0iU3SbrxKfPevXudJkMp7iUT0OYjdBxPy2gTk K2fiLh1/XErCH2Hnd2Gioec/tViSoN3LspaG1LWvSATYS5aEQjfFmLX/cK1z8DwcP8Vz R4+YlhELwh8tYLMG+0sbQv522fsM+XusNDmlzN/Ya7FhixwXGZIjNlDhzBkafr3jDKlg y2pY8s+Sz8g7Vno4HQ34bbYNF2es6+W98GPuuLYKIftWK1ayn95/2sltEmB2tppsLuAC hZIcxpG8ZaBv2jU92Y8cEkayazho4okoacwIzHQfI5cC9gA696SseQPcQr0IDgujUYtD rAfA== X-Gm-Message-State: ANhLgQ0riFBUib/dg9DnspoYf0jS7ayjI7Ke8SOUb9/sJbzpq7coTeC4 RIztWeyuLAiGFMMCPk21xBv3tiaWYD9S+g== X-Google-Smtp-Source: ADFU+vvt6R7XeparInw83y2Wuxrc+y+PgkmfWrAG01DKaEv7PxF19icMldUkVrEvls4dAkWG6R889w== X-Received: by 2002:aa7:82c9:: with SMTP id f9mr9939531pfn.168.1585240136843; Thu, 26 Mar 2020 09:28:56 -0700 (PDT) Received: from [192.168.1.188] ([66.219.217.145]) by smtp.gmail.com with ESMTPSA id k20sm1932086pgn.62.2020.03.26.09.28.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 26 Mar 2020 09:28:56 -0700 (PDT) Subject: Re: [PATCH v5 00/27] ata: optimize core code size on PATA only setups To: Bartlomiej Zolnierkiewicz Cc: Michael Schmitz , Geert Uytterhoeven , Christoph Hellwig , linux-ide@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org References: <20200326155822.19400-1-b.zolnierkie@samsung.com> From: Jens Axboe Message-ID: <7f6f4944-5e3b-3a78-718a-c7faafab85fa@kernel.dk> Date: Thu, 26 Mar 2020 10:28:54 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200326155822.19400-1-b.zolnierkie@samsung.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 3/26/20 9:57 AM, Bartlomiej Zolnierkiewicz wrote: > Hi, > > There have been reports in the past of libata core code size > being a problem in migration from deprecated IDE subsystem on > legacy PATA only systems, i.e.: > > https://lore.kernel.org/linux-ide/db2838b7-4862-785b-3a1d-3bf09811340a@gmail.com/ > > This patchset re-organizes libata core code to exclude SATA > specific code from being built for PATA only setups. > > The end result is up to 24% (by 23949 bytes, from 101769 bytes to > 77820 bytes) smaller libata core code size (as measured for m68k > arch using modified atari_defconfig) on affected setups. > > I've tested this patchset using pata_falcon driver under ARAnyM > emulator. Thanks, applied. -- Jens Axboe