Received: by 2002:a05:7412:3290:b0:fa:6e18:a558 with SMTP id ev16csp652336rdb; Fri, 26 Jan 2024 06:56:11 -0800 (PST) X-Google-Smtp-Source: AGHT+IEgbGRG/Vl8SMuSrSSR2gvG+rZNbgmOXxybIxunlubyHHW821UgLHNVYhi6hV5ye8uFxCNx X-Received: by 2002:a05:600c:a39e:b0:40e:a370:35d4 with SMTP id hn30-20020a05600ca39e00b0040ea37035d4mr616025wmb.95.1706280971569; Fri, 26 Jan 2024 06:56:11 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1706280971; cv=pass; d=google.com; s=arc-20160816; b=bJMWumzXxMzqSzjIIB4IShqvw+yUE/qinuwCZgbE8gmUDs3Ng/MiC8+uj+U1Y7ay63 tNkLxZ+NXpMMuhYimLWBfu9GDY919z0fh4AEuRnjoGC5yw90q/1Wr/Vry6mPEjnCuz9P OkFwwqHpNr3fa8mDLD0tKieubIGYsuaPuwMQa3I2nAdCP7Gd+97HHws+1CzVyT9mzmMk MCWADn9rfDD7z7Sc0377Irj4ECrp1+NTTbcoS6oMt7YwzVOy3zqbMHgSfQ5mtgkMwQpv BpLlNHPMWkdYXDXskbMpDU4Xz2/UhtpGnPO9TxLpcT8c11shG3WeIEQ6Vw8Wb4lqpW5E mBWA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=subject:cc:to:from:date:references:in-reply-to:message-id :mime-version:list-unsubscribe:list-subscribe:list-id:precedence :user-agent:feedback-id:dkim-signature:dkim-signature; bh=7RrmUgGenuQn/HaNj6HFZoaaojIW34eE1x1H/iTMOvE=; fh=zzSQ7OydGG/mmJ9R3rPeCHfGqkHlaoQMC9i9J3x9uLc=; b=EmlK+4Ucpmp9fYAuhy/E3FVwIuAJ8/GyAIePc4Es5vQs5WiqSoYnKIwigsVBOaZZX0 E8EKD8bKRmY0h1g6Uqqn+fr+G+8epNCKwh1zPI0U4SSCLRIOSR0meOLqDhnZOf6/4j+N XR8U0LcdLA097CS6r7tDz/EglsYT7KQNimrs1t0VxEEJedZrcIxej5+e54BYL5scq1Xo M8W1TDHNXxIWjUDn8m3HKjuHzixeApQ3xzPkw98xxuCks5AtvSBP0YV3LKbmkw2xN9Uf so2TCifv5X1VHJSq7xzk35Q5ItVyIE0vMqsjT/o9+FXv74zEBOaUQevypamX40CJIi+i ONOQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@arndb.de header.s=fm2 header.b=cyUYfSAf; dkim=pass header.i=@messagingengine.com header.s=fm3 header.b=mb027GcG; arc=pass (i=1 spf=pass spfdomain=arndb.de dkim=pass dkdomain=arndb.de dkim=pass dkdomain=messagingengine.com dmarc=pass fromdomain=arndb.de); spf=pass (google.com: domain of linux-kernel+bounces-39660-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-39660-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=arndb.de Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [2604:1380:4601:e00::3]) by mx.google.com with ESMTPS id g1-20020a170906394100b00a317234c7f9si667575eje.894.2024.01.26.06.56.11 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 26 Jan 2024 06:56:11 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-39660-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) client-ip=2604:1380:4601:e00::3; Authentication-Results: mx.google.com; dkim=pass header.i=@arndb.de header.s=fm2 header.b=cyUYfSAf; dkim=pass header.i=@messagingengine.com header.s=fm3 header.b=mb027GcG; arc=pass (i=1 spf=pass spfdomain=arndb.de dkim=pass dkdomain=arndb.de dkim=pass dkdomain=messagingengine.com dmarc=pass fromdomain=arndb.de); spf=pass (google.com: domain of linux-kernel+bounces-39660-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:4601:e00::3 as permitted sender) smtp.mailfrom="linux-kernel+bounces-39660-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=arndb.de Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id E14451F258EE for ; Fri, 26 Jan 2024 07:50:17 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 1227D13FF6; Fri, 26 Jan 2024 06:27:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=arndb.de header.i=@arndb.de header.b="cyUYfSAf"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="mb027GcG" Received: from out4-smtp.messagingengine.com (out4-smtp.messagingengine.com [66.111.4.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 70541C2FE for ; Fri, 26 Jan 2024 06:27:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=66.111.4.28 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706250467; cv=none; b=kgMkaOoo41BPFkh+jlvSls5+oj1AAMunDqDFVH8BDxtGHwfTW5GT13JftPu5/TZoCOrz7IuiXWDet7Bm075oWSZ4vxoNt36weNOSb5UO+Ngkv2wgwGDZrBfI5HzQJn5IllC4FOnDmZ5AMxLQwXqbkNjiPcw1HHUd39vQKYi/P7M= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706250467; c=relaxed/simple; bh=FBL7hTT/AQ8zcejU8o0lB8qQ7Lub365PDThqd6QKVIE=; h=MIME-Version:Message-Id:In-Reply-To:References:Date:From:To:Cc: Subject:Content-Type; b=f/jOoI4/zRoan1l6nw19YLnZEjKpwFdXIzKvBI7t9/QLo7qExITDzUpdeqXPtAgWotyAvBMpAJgqJJoX1FWpArmLy3Z/vDgXXW3o0TkSZtz/0a64A0wbE9bB1bfOjm1q3Io7ykMxeh9/iB+iwKpTX9+xhF3BCyrAloJesycNypU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arndb.de; spf=pass smtp.mailfrom=arndb.de; dkim=pass (2048-bit key) header.d=arndb.de header.i=@arndb.de header.b=cyUYfSAf; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b=mb027GcG; arc=none smtp.client-ip=66.111.4.28 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arndb.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arndb.de Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 5CE0B5C00E6; Fri, 26 Jan 2024 01:27:44 -0500 (EST) Received: from imap51 ([10.202.2.101]) by compute5.internal (MEProxy); Fri, 26 Jan 2024 01:27:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=arndb.de; h=cc :cc:content-type:content-type:date:date:from:from:in-reply-to :in-reply-to:message-id:mime-version:references:reply-to:subject :subject:to:to; s=fm2; t=1706250464; x=1706336864; bh=7RrmUgGenu Qn/HaNj6HFZoaaojIW34eE1x1H/iTMOvE=; b=cyUYfSAfcE+s3rk93DNCSvy3r0 ngicuukkvqN5cjrIZZcQXUOsxXM2j/KX1jQ/XTFHSnKbhB3ONeiTmgGsLSCfjal3 1kjVwTVQ+uAAeKnUsKOVYB3hQ43lHg5hphvt+YL7Ym2OD8Odz4e5eN3g3CnTVDL4 +RJStzgxZgTM2c1QRXkWAFLz3Jmqhtn/zG8cPah6bxHpw88Pqw3JadIwuz4llNae av84nC+D+VEiNeyjHtyGqxjJW/T2jvwkdVoj/Hb7WNDmMr/h2ta1mWta2Iyf2qxS 23on7SqdafRa+52DJ20R7IvT9x6lRb/T+n3E2xP4YMxwi08a9xLIxyzR93gg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; t=1706250464; x=1706336864; bh=7RrmUgGenuQn/HaNj6HFZoaaojIW 34eE1x1H/iTMOvE=; b=mb027GcGfOmjbjYfuilqqkpJFkedsZFFwMivRD71Bf1X UhQ4AhRNXOBTLJU3ySqEQdSo7c2oP+9EP4j/dYMfsRwFHXizD9/E0Gld442pO+Q7 9TNCoCUMaKiorN66Hrwueyc7abWyOITPz73pIZ87IuWlLaB4iRrrWTrVfIrrnd3I BgBB9rQyGAP7SfQlznwPfGZv1x+TU3HaGw+eJ3xdJBljfE5e13yN8gUfDRpUa+Vj rpwrsFVUS91Z6WDByOMNnPbhZiBX+Sdnk9vP5ooS0Scj1IP1H/gzpQFlFoPO1+pq ut6eiAVp7F9kOKRGODd4ZpvazB0fvCgInteggLTpQg== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvkedrvdeliedgleefucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepofgfggfkjghffffhvfevufgtsehttdertderredtnecuhfhrohhmpedftehr nhguuceuvghrghhmrghnnhdfuceorghrnhgusegrrhhnuggsrdguvgeqnecuggftrfgrth htvghrnhepffehueegteeihfegtefhjefgtdeugfegjeelheejueethfefgeeghfektdek teffnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomheprg hrnhgusegrrhhnuggsrdguvg X-ME-Proxy: Feedback-ID: i56a14606:Fastmail Received: by mailuser.nyi.internal (Postfix, from userid 501) id 89F82B6008D; Fri, 26 Jan 2024 01:27:43 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.11.0-alpha0-119-ga8b98d1bd8-fm-20240108.001-ga8b98d1b Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: In-Reply-To: <20240126021258.574916-1-chentao@kylinos.cn> References: <20240126021258.574916-1-chentao@kylinos.cn> Date: Fri, 26 Jan 2024 07:27:23 +0100 From: "Arnd Bergmann" To: "Kunwu Chan" , "Jeremy Kerr" , "Michael Ellerman" , "Nicholas Piggin" , "Christophe Leroy" , aneesh.kumar@kernel.org, "Naveen N. Rao" Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] powerpc/cell: Code cleanup for spufs_mfc_flush Content-Type: text/plain On Fri, Jan 26, 2024, at 03:12, Kunwu Chan wrote: > This part was commented from commit a33a7d7309d7 > ("[PATCH] spufs: implement mfc access for PPE-side DMA") > in about 18 years before. > > If there are no plans to enable this part code in the future, > we can remove this dead code. > > Signed-off-by: Kunwu Chan > Suggested-by: Christophe Leroy Nobody is actively working on this code, so it clearly won't be needed in the future. Acked-by: Arnd Bergmann On the other hand there is probably little use in removing the dead code either. It looks you sent a lot of these patches with identical changelog texts to remove blocks of dead code, which does not seem productive to me as these were clearly all left in the code to document something. Arnd