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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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  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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