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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 5E015C433C1 for ; Wed, 24 Mar 2021 16:39:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2DFCA61A15 for ; Wed, 24 Mar 2021 16:39:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236432AbhCXQi7 (ORCPT ); Wed, 24 Mar 2021 12:38:59 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:40765 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236407AbhCXQiz (ORCPT ); Wed, 24 Mar 2021 12:38:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1616603934; h=from:from: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; bh=ZF8HRT5IrNOvQL6Pz8F1OKHc43im4d3pUJ9N+IN8ny4=; b=cgVu6POyb85osK1u0+jZFWG6m9vweX6xn3Y1B2lI+1OeEzt7AdZs9UyovVh4P/adgNNUpP ZA5/9G3xZDbZ18pWOMj6gdSGhM8+hbnu6jZBygQwdjp56vofSdzLlHOg4JCKZ6PCnGkdkx whjwEPQPjVstrbYIadB75u+zkqR0Dqg= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-4-Id5rbN_jOn69N275__ZV6A-1; Wed, 24 Mar 2021 12:38:47 -0400 X-MC-Unique: Id5rbN_jOn69N275__ZV6A-1 Received: by mail-wr1-f71.google.com with SMTP id s10so1329323wre.0 for ; Wed, 24 Mar 2021 09:38:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=ZF8HRT5IrNOvQL6Pz8F1OKHc43im4d3pUJ9N+IN8ny4=; b=G88ZmMj5H7k8zzXHHampmd8oBFFbkWfA6fSBzQqECpBhAw4mN8MhJrKBkXQO50WvmO 0SUT3xPwv3MAJNKCtWuHSA3sinSaeXbu1hNNuMDZHq5RjMPzkB5gMt1Roic6kTVHUgom J+/jHCmtLyE5WT2fZltXzgb60K9vaDT27sSRMzEhQWVA8S3M62k27dbJ5sU/5ud6NDti gPMz5ZNlRICXrn5Xn/EAK6cX9jnkAEof78dxkRykK3RlGiRhQlcioa+ggcUUkBw9zxmd E9T5VLEN71Hbf4dCt0tzV7vm/nAMDrj6zG6qyOttp7QCVG/ZEG2gu8C0aRCKrGqn9CVs aAlA== X-Gm-Message-State: AOAM530opZtMD7315CASljQAi1VOm5odzezbmBIIZuo8dhc6Nhivu1mI 7V9m0NTn80ye/Gw7qY4Q8s31ZWukYR1V5mkYBW72ZWtVIzG3HKprtS5uB8ZtGfGwOfCTM0yzBF5 BJwKfqyX6DkVo X-Received: by 2002:adf:e5c4:: with SMTP id a4mr4478175wrn.174.1616603926341; Wed, 24 Mar 2021 09:38:46 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxNX1S2tQyoRha/DwjTPN7h2LrSBGyzP5oxKR2eeHPyyIYZd4C89Eg+f14Opdl72aBTlPS3FQ== X-Received: by 2002:adf:e5c4:: with SMTP id a4mr4478163wrn.174.1616603926203; Wed, 24 Mar 2021 09:38:46 -0700 (PDT) Received: from redhat.com (bzq-79-183-252-180.red.bezeqint.net. [79.183.252.180]) by smtp.gmail.com with ESMTPSA id c8sm4151618wrd.55.2021.03.24.09.38.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Mar 2021 09:38:45 -0700 (PDT) Date: Wed, 24 Mar 2021 12:38:40 -0400 From: "Michael S. Tsirkin" To: Greg KH Cc: "Catangiu, Adrian Costin" , "Graf (AWS), Alexander" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "qemu-devel@nongnu.org" , "kvm@vger.kernel.org" , "linux-s390@vger.kernel.org" , "rdunlap@infradead.org" , "arnd@arndb.de" , "ebiederm@xmission.com" , "rppt@kernel.org" , "0x7f454c46@gmail.com" <0x7f454c46@gmail.com>, "borntraeger@de.ibm.com" , "Jason@zx2c4.com" , "jannh@google.com" , "w@1wt.eu" , "MacCarthaigh, Colm" , "luto@kernel.org" , "tytso@mit.edu" , "ebiggers@kernel.org" , "Woodhouse, David" , "bonzini@gnu.org" , "Singh, Balbir" , "Weiss, Radu" , "corbet@lwn.net" , "mhocko@kernel.org" , "rafael@kernel.org" , "pavel@ucw.cz" , "mpe@ellerman.id.au" , "areber@redhat.com" , "ovzxemul@gmail.com" , "avagin@gmail.com" , "ptikhomirov@virtuozzo.com" , "gil@azul.com" , "asmehra@redhat.com" , "dgunigun@redhat.com" , "vijaysun@ca.ibm.com" , "oridgar@gmail.com" , "ghammer@redhat.com" Subject: Re: [PATCH v8] drivers/misc: sysgenid: add system generation id driver Message-ID: <20210324123756-mutt-send-email-mst@kernel.org> References: <1615213083-29869-1-git-send-email-acatan@amazon.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Tue, Mar 23, 2021 at 05:35:14PM +0100, Greg KH wrote: > On Tue, Mar 23, 2021 at 04:10:27PM +0000, Catangiu, Adrian Costin wrote: > > Hi Greg, > > > > After your previous reply on this thread we started considering to provide this interface and framework/functionality through a userspace service instead of a kernel interface. > > The latest iteration on this evolving patch-set doesn’t have strong reasons for living in the kernel anymore - the only objectively strong advantage would be easier driving of ecosystem integration; but I am not sure that's a good enough reason to create a new kernel interface. > > > > I am now looking into adding this through Systemd. Either as a pluggable service or maybe even a systemd builtin offering. > > > > What are your thoughts on it? > > I'll gladly drop this patch if it's not needed in the kernel, thanks for > letting me know. > > greg k-h Systemd sounds good to me too. -- MST