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Fri, 28 Feb 2020 18:44:23 +0000 Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 01SIiKgv029483; Fri, 28 Feb 2020 18:44:20 GMT Received: from flaka (/108.236.14.91) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 28 Feb 2020 10:44:18 -0800 Date: Fri, 28 Feb 2020 10:44:11 -0800 From: Elena Ufimtseva To: Stefan Hajnoczi Subject: Re: [PATCH v5 49/50] multi-process: add the concept description to docs/devel/qemu-multiprocess Message-ID: <20200228184411.GC25838@flaka> References: <20200227171140.GF315098@stefanha-x1.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200227171140.GF315098@stefanha-x1.localdomain> User-Agent: Mutt/1.10.1 (2018-07-13) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9545 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 phishscore=0 suspectscore=0 spamscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002280137 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9545 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 lowpriorityscore=0 bulkscore=0 impostorscore=0 spamscore=0 priorityscore=1501 malwarescore=0 adultscore=0 phishscore=0 mlxlogscore=999 mlxscore=0 suspectscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2002280137 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 156.151.31.85 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: fam@euphon.net, john.g.johnson@oracle.com, swapnil.ingle@nutanix.com, mst@redhat.com, qemu-devel@nongnu.org, kraxel@redhat.com, Jagannathan Raman , quintela@redhat.com, armbru@redhat.com, kanth.ghatraju@oracle.com, felipe@nutanix.com, thuth@redhat.com, ehabkost@redhat.com, konrad.wilk@oracle.com, dgilbert@redhat.com, liran.alon@oracle.com, thanos.makatos@nutanix.com, rth@twiddle.net, kwolf@redhat.com, berrange@redhat.com, mreitz@redhat.com, ross.lagerwall@citrix.com, marcandre.lureau@gmail.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Thu, Feb 27, 2020 at 05:11:40PM +0000, Stefan Hajnoczi wrote: > On Mon, Feb 24, 2020 at 03:55:40PM -0500, Jagannathan Raman wrote: > > From: John G Johnson > > > > Signed-off-by: John G Johnson > > Signed-off-by: Elena Ufimtseva > > Signed-off-by: Jagannathan Raman > > --- > > docs/devel/index.rst | 1 + > > docs/devel/qemu-multiprocess.rst | 1102 ++++++++++++++++++++++++++++++++++++++ > > 2 files changed, 1103 insertions(+) > > create mode 100644 docs/devel/qemu-multiprocess.rst > > > > diff --git a/docs/devel/index.rst b/docs/devel/index.rst > > index 4dc2ca8..1a95871 100644 > > --- a/docs/devel/index.rst > > +++ b/docs/devel/index.rst > > @@ -25,3 +25,4 @@ Contents: > > tcg-plugins > > bitops > > reset > > + multi-process > > diff --git a/docs/devel/qemu-multiprocess.rst b/docs/devel/qemu-multiprocess.rst > > new file mode 100644 > > index 0000000..477e246 > > --- /dev/null > > +++ b/docs/devel/qemu-multiprocess.rst > > @@ -0,0 +1,1102 @@ > > +Disaggregating QEMU > > Please revise this document and the patch series to use consistent > terminology. At least "qemu-multiprocess.rst", "--enable-mpqemu", and > "disaggregated QEMU" are used to describe this feature (there are > probably more, I have only looked at 2 patches so far). > > It's confusing for someone who stumbles across one of these terms and > then has to figure out that we're talking about the same thing when > encountering other terms later on. > > Please use a single name and use it consistently. > Thanks Stefan, will work on this. > > +=================== > > + > > +QEMU is often used as the hypervisor for virtual machines running in the > > +Oracle cloud. Since one of the advantages of cloud computing is the > > +ability to run many VMs from different tenants in the same cloud > > +infrastructure, a guest that compromised its hypervisor could > > +potentially use the hypervisor's access privileges to access data it is > > +not authorized for. > > + > > +QEMU can be susceptible to security attack because it is a large, > > s/attack/attacks/ > > > +monolithic program that provides many features to the VMs it services. > > +Many of these feature can be configured out of QEMU, but even a reduced > > s/feature/features/