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Fri, 29 Nov 2019 12:01:55 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 7B0371138606; Fri, 29 Nov 2019 13:01:54 +0100 (CET) From: Markus Armbruster To: Paolo Bonzini Subject: Re: [PATCH 2/2] Add -mem-shared option References: <20191128141518.628245-1-marcandre.lureau@redhat.com> <20191128141518.628245-3-marcandre.lureau@redhat.com> <20191128172807.788e6aeb@redhat.com> <20191129110703.2b15c541@redhat.com> <04dadf85-cd35-fd37-9642-8087cba625bd@redhat.com> Date: Fri, 29 Nov 2019 13:01:54 +0100 In-Reply-To: <04dadf85-cd35-fd37-9642-8087cba625bd@redhat.com> (Paolo Bonzini's message of "Fri, 29 Nov 2019 11:11:09 +0100") Message-ID: <87imn2uc0d.fsf@dusky.pond.sub.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-MC-Unique: kG1zZJGnNOiFYpcna6e37A-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.61 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Eduardo Habkost , QEMU , =?utf-8?Q?Marc-Andr=C3=A9?= Lureau , Stefan Hajnoczi , Igor Mammedov , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Paolo Bonzini writes: > On 29/11/19 11:07, Igor Mammedov wrote: >>>> So user who wants something non trivial could override default >>>> non-numa behavior with >>>> -object memory-backend-file,id=3Dmem,size=3D4G,mem-path=3D/dev/shm,s= hare=3Don \ >>>> -machine memdev=3Dmem >>>> or use any other backend that suits theirs needs. =20 >>> That's nice, but not as friendly as a simple -mem-shared. >> (I still do not like idea of convenience options but it won't >> get onto the way much if implemented as "global property" to memdev, >> so I won't object if there is real demand for it) > > I agree with Igor, we should always think about the generic ("object > model") options and only then add convenience option. +1 [...]