From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Stefano Stabellini <sstabellini@kernel.org>
Cc: Juergen Gross <jgross@suse.com>, Wei Liu <wei.liu2@citrix.com>,
"George.Dunlap@eu.citrix.com" <George.Dunlap@eu.citrix.com>,
Andrew Cooper <andrew.cooper3@citrix.com>,
Ian Jackson <ian.jackson@eu.citrix.com>, Tim Deegan <tim@xen.org>,
Stefano Stabellini <stefano@aporeto.com>,
Jan Beulich <JBeulich@suse.com>,
xen-devel <xen-devel@lists.xenproject.org>
Subject: Re: Future support of 5-level paging in Xen:wq
Date: Mon, 12 Dec 2016 14:32:35 -0500 [thread overview]
Message-ID: <20161212193235.GK30028@char.us.oracle.com> (raw)
In-Reply-To: <alpine.DEB.2.10.1612121110240.22778@sstabellini-ThinkPad-X260>
> > So basically you are telling us that due to nested virt on AWS we will
> > never be able to drop PV support, right?
>
> That's right, although never say never :-)
Unless cloud provides exposes VMX to the guests (nested virtualization).
>
>
> > Why are we pushing PVH then?
>
> Because it is significantly faster than PV on most workloads on real
> hardware, while retaining the security properties of PV. Definitely a
> vital option to have on platforms that have VMX or SVM.
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next prev parent reply other threads:[~2016-12-12 19:32 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-08 16:46 Future support of 5-level paging in Xen Juergen Gross
2016-12-08 17:22 ` Andrew Cooper
2016-12-08 19:18 ` Stefano Stabellini
2016-12-08 22:21 ` Andrew Cooper
2016-12-08 23:40 ` Boris Ostrovsky
2016-12-09 0:20 ` Andrew Cooper
2016-12-09 0:41 ` Boris Ostrovsky
2016-12-09 9:49 ` Jan Beulich
2017-01-03 17:32 ` anshul makkar
2017-01-03 22:38 ` Boris Ostrovsky
2016-12-08 23:50 ` Future support of 5-level paging in Xen:wq Stefano Stabellini
2016-12-09 5:01 ` Juergen Gross
2016-12-09 19:31 ` Stefano Stabellini
2016-12-09 19:53 ` Andrew Cooper
2016-12-12 7:10 ` Juergen Gross
2016-12-12 19:13 ` Stefano Stabellini
2016-12-12 19:32 ` Konrad Rzeszutek Wilk [this message]
2016-12-13 3:57 ` Li, Liang Z
2016-12-13 4:16 ` Tian, Kevin
2016-12-13 4:32 ` Zhang, Xiong Y
2016-12-13 5:44 ` Li, Liang Z
2016-12-13 17:21 ` Andrew Cooper
2016-12-14 1:04 ` George Dunlap
2016-12-13 8:14 ` Jan Beulich
2016-12-09 9:59 ` Future support of 5-level paging in Xen Jan Beulich
[not found] ` <584A8E7B020000780012727D@suse.com>
2016-12-09 10:07 ` Juergen Gross
2016-12-09 10:54 ` Jan Beulich
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