Messages in this thread | | | Date | Fri, 19 Jul 2013 20:19:46 +0200 | From | Daniel Kiper <> | Subject | Re: is kexec on Xen domU possible? |
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On Fri, Jul 19, 2013 at 07:58:40AM -0700, Brandon Philips wrote: > On Fri, Jul 19, 2013 at 6:18 AM, Daniel Kiper <daniel.kiper@oracle.com> wrote: > > - PV guests: there is no support for kexec at this time; > > Once I wrote an implementatation for that type of guests > > for one company but according to our agreement I could not > > publish this code; However, I could use it as a base for > > publicly available kexec implementation; Currently, I do > > not have any plans to work on this due to some more important > > stuff to do; However, question about kexec support for PV > > guests is raised from time to time and maybe this issue > > will be much more important than others once, > > To do kexec on PV guests is there a dependency on support from the dom0?
No.
> e.g. if we recreated your patches and merged them into 3.12 and booted > on a XenServer from a few years ago would it work?
No.
> What I want to do is use kexec on existing public cloud providers, > that use Xen, like AWS or Rackspace.
Look for HVM or PVonHVM guests support in this providers. Sadly, there is no support for kexec on PV guests.
Daniel
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