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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4FFBEE57DF for ; Mon, 11 Sep 2023 12:08:19 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 005FA6B026A; Mon, 11 Sep 2023 08:08:19 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id EF74D6B0272; Mon, 11 Sep 2023 08:08:18 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DBE356B027A; Mon, 11 Sep 2023 08:08:18 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0011.hostedemail.com [216.40.44.11]) by kanga.kvack.org (Postfix) with ESMTP id C89446B026A for ; Mon, 11 Sep 2023 08:08:18 -0400 (EDT) Received: from smtpin22.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id 4CFC9120A0F for ; Mon, 11 Sep 2023 12:08:18 +0000 (UTC) X-FDA: 81224193876.22.4ACFE64 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf09.hostedemail.com (Postfix) with ESMTP id BD15C14000A for ; Mon, 11 Sep 2023 12:08:14 +0000 (UTC) Authentication-Results: imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=rQ8yM+Q1; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf09.hostedemail.com: domain of chenhuacai@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=chenhuacai@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1694434095; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=marHyUPFLU4oAODqY8/bscUAoR8VFI37yC0As2B3e8k=; b=jMfo9NSZkstwBdMB+kklU1OWmkZvAXIprXGoykr+t2hyE2wNhxAVTtIiKsFFxoJUJEt/kZ Jshb2yrRKsjIbHPgFimIDgY7KrHHhusjVCVIqXVp0zzarFKvyDZt8Cvxvw0HH1sgi5qq+B 5msAXZvjwX48vRfnm2HOb4aKA9xrYNs= ARC-Authentication-Results: i=1; imf09.hostedemail.com; dkim=pass header.d=kernel.org header.s=k20201202 header.b=rQ8yM+Q1; dmarc=pass (policy=none) header.from=kernel.org; spf=pass (imf09.hostedemail.com: domain of chenhuacai@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=chenhuacai@kernel.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1694434095; a=rsa-sha256; cv=none; b=ixxFEvkA1x8vQcuwC6QzGFwQkb5QdVOy9v+Rne+MxNGns0eIa7qCVl5llHZ6Zm6If+UKuN K/5KK2lfBx9Ltj3vPJZ+o9mx01oF6R+aABgSzayUYV27MZJASJ7tX3kv/HcYavO15lZcPt 6Tt6Dp6Xyq1/ExZdlNSeEgpu/eadVNM= Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id DF5E3CE0F6A for ; Mon, 11 Sep 2023 12:08:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 47012C433C7 for ; Mon, 11 Sep 2023 12:08:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694434089; bh=gVdwM3yRUzwEw/ysYzJcqZPAy48ZFx0ZSuDJ7ZTr9IM=; h=References:In-Reply-To:From:Date:Subject:To:Cc:From; b=rQ8yM+Q1mEnrVgZvz4KR8hpYJdoEq4/QlWdi59DqXHJOw+VFqSl4rrug1PPxAT5rJ ptFMPmyAk7QWRHcWRG+84an2dsaUD8Y10SFpznc41EpaLAulrtCvEcRI6zRexiB6nE vnjj+MtcLtKgOE9f2/l84yYDYVgGP96ITPwOFfV5iOEAFd6r0f/YJahaI+wbOfzsNG 2zn+GJKKTSEL7m39GCU1rTbzkLxIpJhNim3rFNHzZ05kdc4iJ7IvMsfNeb4G50wS+X Bah1IzDlKctq82axRjYSxBJK/wwM+tLhTpvB8IF5KmmUu4RN8JPpnnL1bIIQRjwhrB YaHQ7tWYtTdkg== Received: by mail-lf1-f52.google.com with SMTP id 2adb3069b0e04-501be2d45e0so7317688e87.3 for ; Mon, 11 Sep 2023 05:08:09 -0700 (PDT) X-Gm-Message-State: AOJu0Yx59zdI7WCXlYv/6J6TiGmUrin2ZE4PXbMJ/3/ifVO/CpAKPlQI Tz9AUyNQRZC0cgJVTBoYBY2vM4p4uT7R9+W1alY= X-Google-Smtp-Source: AGHT+IFaP30bFOHKfjYIwIEaNW+kvYy1DhQAfHBkcbsABQ55xTPFuNxzrUBlI9lhrzJ5kohiOGBOVb0RTMBv+WW1piE= X-Received: by 2002:a05:6512:45a:b0:500:c180:59ca with SMTP id y26-20020a056512045a00b00500c18059camr6997803lfk.41.1694434087504; Mon, 11 Sep 2023 05:08:07 -0700 (PDT) MIME-Version: 1.0 References: <20230615121016.3731983-1-chenhuacai@loongson.cn> In-Reply-To: From: Huacai Chen Date: Mon, 11 Sep 2023 20:07:55 +0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] kthread: Rename user_mode_thread() to kmuser_thread() To: Luis Chamberlain , Eric Biederman Cc: Huacai Chen , Andrew Morton , Kees Cook , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Thomas Gleixner Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Stat-Signature: jw1xg9zum8fg3tdxuhmq4ifppuexznwz X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: BD15C14000A X-HE-Tag: 1694434094-688542 X-HE-Meta: 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 BztwkxPZ +rBjsqaQa20lMm3owCxJlwZ63d10XT/skxQRPxWCcfAyrfEN/eFP7s8FJk1HqndMfK+NLSKA2hyAD7ju6DeXwvVNUXVxai7uMaJIApjvrBvoEJTQFgUusEI6+WvKzC58hmvvvr/lOgWInjTRWvrQn8a2p0Ie1Hi8oLg8Ve7Pl8aXAk68Z6f2y4ioSQLfVWTJPRzT64Xl5Q1EPgBPkVr95gTwpjWUls+ixr7jzN+/2n/xCVZmaztNRxb/kCNRl1yRUa2JFXxOonckV/RFMuPL8IiVzwOwqymZVpUx+fa5pikrnYdAhzHPbUZOrIteMtN3FgNuhBs1OaWgNBgghMMonsG8Db2MI701StaOtAg8WkERZJ6Z6DwLpHIcNh0I8xQSDJyRR5wUg0e6CydYbTbzoC/VNxNuElbhEflAd X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, all, Friendly ping again? Huacai On Sun, Jul 23, 2023 at 10:13=E2=80=AFPM Huacai Chen wrote: > > Hi, Eric, > > On Tue, Jul 18, 2023 at 8:43=E2=80=AFPM Huacai Chen wrote: > > > > Hi, Luis, > > > > On Sat, Jul 1, 2023 at 7:25=E2=80=AFAM Luis Chamberlain wrote: > > > > > > On Sun, Jun 25, 2023 at 04:55:33PM +0800, Huacai Chen wrote: > > > > Friendly ping? > > > > > > You want to cc the folks who Nacked your patch. Until then, this > > > probably can't go further. > > Thank you very much. Eric and Andrew are already in the CC list, so > > add Thomas now. > > > > My brain is a little old-fashioned so I insisted that "a thread > > without mm_struct should be a kernel thread" in the previous patch. > > Unfortunately this makes Eric and Thomas unhappy, I'm very sorry for > > that. > > > > During the discussion of the previous patch I know I made some > > mistakes about some basic concepts, but I also found the name > > "user_mode_thread()" is somewhat confusing. I think rename it to > > kmuser_thread() is better, because: > > 1, it identify init and umh as user threads; > > 2, it points out that init and umh are special user threads that run > > in kernel mode before loading a user program. > > > > Sorry for my rudeness again. > Excuse me, but could you please tell me what your opinion is. In my > opinion a typical user thread is created by > pthread_create()/sys_clone(), it is better to distinguish typical user > threads from init and umh. > > Huacai > > > > Huacai > > > > > > Luis