From: Dario Faggioli <dario.faggioli@citrix.com>
To: Ian Campbell <Ian.Campbell@citrix.com>
Cc: paolo.valente@unimore.it, Keir Fraser <keir@xen.org>,
stefano.stabellini@eu.citrix.com, Ian.Jackson@eu.citrix.com,
Julien Grall <julien.grall@linaro.org>, Tim Deegan <tim@xen.org>,
xen-devel@lists.xen.org, julien.grall@citrix.com,
etrudeau@broadcom.com, Jan Beulich <JBeulich@suse.com>,
Arianna Avanzini <avanzini.arianna@gmail.com>,
viktor.kleinik@globallogic.com
Subject: Re: [RFC PATCH v2 3/3] tools, libxl: handle the iomem parameter with the memory_mapping hcall
Date: Fri, 14 Mar 2014 17:25:21 +0100 [thread overview]
Message-ID: <1394814321.4159.236.camel@Solace> (raw)
In-Reply-To: <1394813999.6442.147.camel@kazak.uk.xensource.com>
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On ven, 2014-03-14 at 16:19 +0000, Ian Campbell wrote:
> On Fri, 2014-03-14 at 16:45 +0100, Dario Faggioli wrote:
> > > If "one" here is the user then I don't think so.
> > >
> > Well, fact is "user", in this context, is who puts the embedded system
> > together into a product, rather than folks actually using such product,
> > so, I don't see that much unlikely.
>
> I don't imagine even those folks are going to want to hack the
> hypervisor to change the guest address space layout, so I don't think
> you can assume they have full control, they will get whatever the layout
> for that version of Xen is.
>
Don't want to speak for someone else, of course. For what I've seen, no,
they're not going to hack Xen, they're going to stick to a specific
version as long as possible.
For different reasons, that's not much different from what happens in
way less embedded contexts, I think. :-)
> They do control the hypervisor version so I
> suppose they control in that sense.
>
Indeed that was the control I meant.
Dario
--
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)
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next prev parent reply other threads:[~2014-03-14 16:25 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-10 8:25 [RFC PATCH v2 0/3] Implement the XEN_DOMCTL_memory_mapping hypercall for ARM Arianna Avanzini
2014-03-10 8:25 ` [RFC PATCH v2 1/3] arch, arm: allow dom0 access to I/O memory of mapped devices Arianna Avanzini
2014-03-10 11:30 ` Julien Grall
2014-03-11 0:49 ` Arianna Avanzini
2014-03-13 15:27 ` Ian Campbell
2014-03-13 15:40 ` Julien Grall
2014-03-10 8:25 ` [RFC PATCH v2 2/3] arch, arm: add the XEN_DOMCTL_memory_mapping hypercall Arianna Avanzini
2014-03-10 12:03 ` Julien Grall
2014-03-11 1:20 ` Arianna Avanzini
2014-03-13 15:29 ` Ian Campbell
2014-03-13 15:36 ` Jan Beulich
2014-03-13 15:51 ` Dario Faggioli
2014-03-13 15:57 ` Ian Campbell
2014-03-13 16:08 ` Jan Beulich
2014-03-10 8:25 ` [RFC PATCH v2 3/3] tools, libxl: handle the iomem parameter with the memory_mapping hcall Arianna Avanzini
2014-03-13 15:27 ` Ian Campbell
2014-03-13 15:34 ` Julien Grall
2014-03-13 15:49 ` Ian Campbell
2014-03-13 16:36 ` Dario Faggioli
2014-03-13 16:47 ` Julien Grall
2014-03-13 17:32 ` Ian Campbell
2014-03-13 18:37 ` Dario Faggioli
2014-03-13 20:29 ` Julien Grall
2014-03-14 9:55 ` Dario Faggioli
2014-03-14 9:46 ` Ian Campbell
2014-03-14 12:00 ` Julien Grall
2014-03-14 12:15 ` Dario Faggioli
2014-03-14 12:39 ` Arianna Avanzini
2014-03-14 12:49 ` Ian Campbell
2014-03-14 15:10 ` Stefano Stabellini
2014-03-14 15:45 ` Dario Faggioli
2014-03-14 16:19 ` Ian Campbell
2014-03-14 16:25 ` Dario Faggioli [this message]
2014-03-14 18:39 ` Eric Trudeau
2014-03-17 9:37 ` Ian Campbell
2014-03-13 15:43 ` Jan Beulich
2014-03-13 15:51 ` Ian Campbell
2014-03-13 16:53 ` Dario Faggioli
2014-03-13 17:04 ` Jan Beulich
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