Re: Next Xen ARM community call - Wednesday 2nd August 2017

[Mirela Simonovic <mirela.simonovic@aggios.com>]

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Hi Stefano,

Thank you, we're looking into this.

Regards,
Mirela

On Wed, Aug 2, 2017 at 8:25 PM, Stefano Stabellini <sstabellini@kernel.org>
wrote:

> Hi everybody,
>
> the Xen based suspend notification interface is implemented in Linux by
> drivers/xen/manage.c. The guest monitors a node on xenstore named
> "control/shutdown", one of the possible commands is "suspend".
>
> See the corresponding libxl__domain_pvcontrol_* functions and their
> callers under tools/libxl. You can see that libxl is able to detect if
> the PV protocol is supported by the guest calling
> libxl__domain_pvcontrol_available, although the detection wouldn't work
> today for ARM guests.
>
> You might also want to give a look at drivers/xen/cpu_hotplug.c (also in
> Linux) which is the implementation of the PV cpu hotplug protocol.
> See libxl__set_vcpuonline_xenstore in tools/libxl/libxl_domain.c.
>
> I am sorry this protocol is not properly documented anywhere (as far as
> I am aware). However, it is so simple that you should be able to
> understand how it works just from the code.
>
>
>
> On Wed, 2 Aug 2017, Mirela Simonovic wrote:
> > Hi,
> > Thanks for the invite, please find the presentationhere: https://
> docs.google.com/presentation/d/1PhK9bdLyY_DSr8RbSs7LDdLWADbSW7YGwwnkpMLWeQ
> > g/edit#slide=id.g24c05965d7_0_15
> >
> > Regards,
> > Mirela
> >
> > On Tue, Aug 1, 2017 at 7:43 PM, Stefano Stabellini <
> sstabellini@kernel.org> wrote:
> >       On Tue, 1 Aug 2017, Julien Grall wrote:
> >       > On 01/08/17 17:44, Edgar E. Iglesias wrote:
> >       > > On Wed, Jul 26, 2017 at 04:59:43PM +0100, Julien Grall wrote:
> >       > > > Hi all,
> >       > > >
> >       > > > The next Xen ARM community call will be Wednesday 2nd August
> 2017 5pm
> >       BST.
> >       > > >
> >       > > > Do you have any specific topic you would like to discuss?
> >       > >
> >       > > CC: Davorin and Mirella from Aggios
> >       > >
> >       > > Hi Julien,
> >       >
> >       > Hi,
> >       >
> >       > > I was talking with the Aggios folks today and they were
> wondering if
> >       > > it's possible to share screens to present slides during the
> call?
> >       > > I'm guessing not, since the info below only has dial in info.
> >       >
> >       > It sounds like it is possible to share screen but I can't find a
> public
> >       link
> >       > for it :/.
> >       >
> >       > I can look for an alternative (I have plenty of choice at Arm
> :)) if it is
> >       > something people wants to do in the future. But for tomorrow, it
> might be
> >       > difficult to get something up by tomorrow.
> >       >
> >       > Can you upload the slides somewhere and send a link by e-mail?
> >
> >       Sending the slides by email beforehand is always a good idea.
> However,
> >       it's 2017 and we *have* to be able to share slides live during a
> meeting
> >       :-)
> >
> >       I talked with Julien: we are going to use my uberconference
> details for
> >       the call, which supports dialing in by phone, from your PC and
> slide
> >       sharing:
> >
> >
> >       Join the call: https://www.uberconference.com/stefano-stabellini
> >       US dial-in number: 669-999-0613
> >       No PIN needed
> >
> >       For the international numbers, go to
> >       https://www.uberconference.com/stefano-stabellini and choose
> "Join by
> >       Phone", a list of international numbers and a pin will be provided.
> >
> >       I'll also send another reminder tomorrow.
> >
> >
> >       Cheers,
> >
> >       Stefano
> >
> >
> >
> >
>

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