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[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: linux-kernel@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