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[23.128.96.18]) by mx.google.com with ESMTP id q2si14434857ejz.47.2021.03.23.09.39.04; Tue, 23 Mar 2021 09:39:27 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=bmf7U7KR; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233337AbhCWQfb (ORCPT + 99 others); Tue, 23 Mar 2021 12:35:31 -0400 Received: from mail.kernel.org ([198.145.29.99]:43576 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233150AbhCWQfR (ORCPT ); Tue, 23 Mar 2021 12:35:17 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4BAF9619B4; Tue, 23 Mar 2021 16:35:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1616517316; bh=RK+Kv0wxjcx5breQamKbj/qd89hf2M+eHtScR6kIrvA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bmf7U7KRA1m3gCUVC68jb1cPk4eb0Ce3ElrG1jzdXzWAn5+SG+L5DJs0n8es+H/Lh oFcl1isxkQlKrWEv2Im4EifesAsn4zgc9iupKF0PhEqpI8o5oV+QEbnQ98S/y4FZoJ hNusdpNZpE+/cIZZKPW2OTOBGC+Us/bvevZUElxI= Date: Tue, 23 Mar 2021 17:35:14 +0100 From: Greg KH To: "Catangiu, Adrian Costin" Cc: "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" , "mst@redhat.com" , "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: 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: linux-kernel@vger.kernel.org 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