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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 19B98C4332F for ; Wed, 1 Nov 2023 14:31:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344498AbjKAOb7 (ORCPT ); Wed, 1 Nov 2023 10:31:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344477AbjKAObz (ORCPT ); Wed, 1 Nov 2023 10:31:55 -0400 Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6E0C125 for ; Wed, 1 Nov 2023 07:31:49 -0700 (PDT) Received: from pps.filterd (m0356517.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3A1DlLpV011889; Wed, 1 Nov 2023 14:31:41 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=message-id : subject : from : to : cc : date : in-reply-to : references : content-type : content-transfer-encoding : mime-version; s=pp1; bh=R3TXsPSK5SajbEwGt6n5yCmJHeQW6iBSn6r0VLoxBqo=; b=bIDhcizJf/L6DWSgDCKeShQIQml9t3W2T7JRA0d98na8mu05ppupGDIIyn9ANLlQqz38 LiEF7htyCDtqAH5eord2cDMq8EohATC3qcV2zETVgV238oW6c5QLQ8PMsXAk2JNPezP5 a6O6pIpsRDXyiGptdvHJzBad2R4UstpXi4FkyLxFcVHh+yU35/xG0e0pihrUzZXg0UB1 YLx4aWBZWHYv9TIsPUpX29MJx6WdnJtwyc8NiVTsXqcOTRR7barLFI1GNvl1G7Ii5200 1TgRjdrV46Wu5ZJjyKfrBJHnaaGVJle2Gj/M8ENIRk40HNd/hqPZfJj0OJGKWUg2oN7a +g== Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3u3qv5hqe9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 01 Nov 2023 14:31:33 +0000 Received: from m0356517.ppops.net (m0356517.ppops.net [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3A1EJmE2023469; Wed, 1 Nov 2023 14:31:32 GMT Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 3u3qv5hq51-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 01 Nov 2023 14:31:32 +0000 Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.17.1.19/8.17.1.19) with ESMTP id 3A1DiYfM011536; Wed, 1 Nov 2023 14:31:16 GMT Received: from smtprelay03.dal12v.mail.ibm.com ([172.16.1.5]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 3u1e4m002q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 01 Nov 2023 14:31:16 +0000 Received: from smtpav03.wdc07v.mail.ibm.com (smtpav03.wdc07v.mail.ibm.com [10.39.53.230]) by smtprelay03.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 3A1EVFHB2949714 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 1 Nov 2023 14:31:15 GMT Received: from smtpav03.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 34F6658062; Wed, 1 Nov 2023 14:31:15 +0000 (GMT) Received: from smtpav03.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 393A05805A; Wed, 1 Nov 2023 14:31:14 +0000 (GMT) Received: from li-f45666cc-3089-11b2-a85c-c57d1a57929f.ibm.com (unknown [9.61.182.196]) by smtpav03.wdc07v.mail.ibm.com (Postfix) with ESMTP; Wed, 1 Nov 2023 14:31:14 +0000 (GMT) Message-ID: Subject: Re: [RFC PATCH] rootfs: Use tmpfs for rootfs even if root= is given From: Mimi Zohar To: Greg Kroah-Hartman , Stefan Berger Cc: Rob Landley , linux-kernel@vger.kernel.org, "Milton D. Miller II" , Jeff Layton , Jens Axboe , Jim Cromie , Sam Ravnborg , "Eric W. Biederman" , Alexander Viro , "H. Peter Anvin" Date: Wed, 01 Nov 2023 10:31:13 -0400 In-Reply-To: <2023110159-rasping-stature-af8d@gregkh> References: <20231031154417.621742-1-stefanb@linux.ibm.com> <2023103159-punctuate-amount-f09d@gregkh> <6dae6aa6-e6c6-89d6-f9d7-7563708f7662@landley.net> <2023110159-rasping-stature-af8d@gregkh> Content-Type: text/plain; charset="ISO-8859-15" X-Mailer: Evolution 3.28.5 (3.28.5-22.el8) X-TM-AS-GCONF: 00 X-Proofpoint-GUID: I34zfmbionZTQ6jAt1JyQO00jwjYu6JE X-Proofpoint-ORIG-GUID: nyCITZ8Mk80SKjGXm5oKkWxuTTwcsbhh Content-Transfer-Encoding: 7bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-01_12,2023-11-01_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 mlxlogscore=866 adultscore=0 malwarescore=0 lowpriorityscore=0 phishscore=0 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2310240000 definitions=main-2311010122 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 2023-11-01 at 15:28 +0100, Greg Kroah-Hartman wrote: > On Wed, Nov 01, 2023 at 10:16:37AM -0400, Stefan Berger wrote: > > > > > > On 11/1/23 07:35, Rob Landley wrote: > > > On 10/31/23 11:56, Greg Kroah-Hartman wrote: > > > > On Tue, Oct 31, 2023 at 11:44:17AM -0400, Stefan Berger wrote: > > > > > rootfs currently does not use tmpfs if the root= boot option is passed > > > > > even though the documentation about rootfs (added in 6e19eded3684) in > > > > > Documentation/filesystems/ramfs-rootfs-initramfs.rst states: > > > > > > > > > > If CONFIG_TMPFS is enabled, rootfs will use tmpfs instead of ramfs by > > > > > default. To force ramfs, add "rootfstype=ramfs" to the kernel command > > > > > line. > > > > > > > > At this point in time, is there even any difference between ramfs and > > > > tmpfs anymore? Why would you want to choose one over the other here? > > > > > > I submitted a patch to fix this to the list multiple times, which got ignored as > > > always. Most recently here: > > > > > > https://lore.kernel.org/lkml/8244c75f-445e-b15b-9dbf-266e7ca666e2@landley.net/ > > > > Everyone, > > I now responded to Rob's patch over here: > > https://lkml.org/lkml/2023/11/1/333 > > Note, we can't do anything with lkml.org links, they don't even work at > times, please always use lore.kernel.org > > Also, one patch out of a longer series also will not work as we can't > pick it up from there either. > > Can someone resend it, as a stand-alone patch, with the proper people > cc:ed and then we can handle that. You all know this... The initramfs@vger.kernel.org mailing list should be Cc'ed as well. -- thanks, Mimi