From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from eggs.gnu.org ([2001:4830:134:3::10]:50432)
	by lists.gnu.org with esmtp (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1WFBMg-0004eh-Dn
	for qemu-devel@nongnu.org; Sun, 16 Feb 2014 18:43:19 -0500
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1WFBMb-0004qF-HY
	for qemu-devel@nongnu.org; Sun, 16 Feb 2014 18:43:14 -0500
Received: from mx1.redhat.com ([209.132.183.28]:36352)
	by eggs.gnu.org with esmtp (Exim 4.71)
	(envelope-from <pbonzini@redhat.com>) id 1WFBMb-0004qA-9o
	for qemu-devel@nongnu.org; Sun, 16 Feb 2014 18:43:09 -0500
Message-ID: <53014CF5.8070600@redhat.com>
Date: Mon, 17 Feb 2014 00:42:45 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
MIME-Version: 1.0
References: <1392293009-13812-1-git-send-email-a.motakis@virtualopensystems.com>
	<1392293009-13812-2-git-send-email-a.motakis@virtualopensystems.com>
	<5446ebb6-aeff-48dc-b97e-b9a1bfcdfb68@email.android.com>
In-Reply-To: <5446ebb6-aeff-48dc-b97e-b9a1bfcdfb68@email.android.com>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Subject: Re: [Qemu-devel] [PATCH v8 01/17] Convert -mem-path to QemuOpts and
 add prealloc and share properties
List-Id: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Michael Tokarev <mjt@tls.msk.ru>, Antonios Motakis <a.motakis@virtualopensystems.com>, qemu-devel@nongnu.org, snabb-devel@googlegroups.com
Cc: Peter Maydell <peter.maydell@linaro.org>, Stefan Hajnoczi <stefanha@redhat.com>, mst@redhat.com, Juan Quintela <quintela@redhat.com>, Alexander Graf <agraf@suse.de>, n.nikolaev@virtualopensystems.com, Markus Armbruster <armbru@redhat.com>, Anthony Liguori <aliguori@amazon.com>, lukego@gmail.com, tech@virtualopensystems.com, =?UTF-8?B?QW5kcmVhcyBGw6RyYmVy?= <afaerber@suse.de>, Richard Henderson <rth@twiddle.net>

Il 15/02/2014 19:10, Michael Tokarev ha scritto:
> 13 =D1=84=D0=B5=D0=B2=D1=80=D0=B0=D0=BB=D1=8F 2014 =D0=B3. 16:03:12 GMT=
+04:00, Antonios Motakis <a.motakis@virtualopensystems.com> =D0=BF=D0=B8=D1=
=88=D0=B5=D1=82:
>> Extend -mem-path with additional properties:
>>
>> - prealloc=3Don|off - default off, same as -mem-prealloc
>> - share=3Don|off - default off, memory is mmapped with MAP_SHARED
>=20
> Maybe we should combine -m and -mem-path options together to form somet=
hing more sane?

It's on the way: it would be something like

   -object mem-file,size=3D1024M,path=3D/path/to/foo,share=3Don,prealloc=3D=
on,id=3Dmem \
   -numa node,memdev=3Dmem

using the same host/guest split model that is already in use
in many other places.  Not 2.0 material though.

Paolo