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SubjectRe: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support
On Fri, Sep 25, 2015 at 01:17:40PM -0400, Boris Ostrovsky wrote:
> On 09/25/2015 12:07 PM, Vitaly Kuznetsov wrote:
> >>Also, I am not sure I see how this new op will be used in the
> >>hypervisor --- currently AFAICS it is only processed under
> >>is_hardware_domain(). Are there other patches that will support HVM
> >>guests?
> >Please see my Xen series:
> >http://lists.xenproject.org/archives/html/xen-devel/2015-09/msg00547.html
> >(last 'full' submission).
> >
> >All patches from my 'toolstack-assisted approach to PVHVM guest kexec'
> >are already merged to xen.git (first 10 are already in 'master' and the
> >last one is in 'staging').
> >
>
>
> OK, so I was looking at the right tree. Then I don't understand how
> SHUTDOWN_soft_reset would be reached for a non-privileged domain. The only
> path that I see is
>
> domain_shutdown()
> {
> ...
> if ( is_hardware_domain(d) )
> hwdom_shutdown(reason);
> ...
> }
>
> Is there another path to handle this op?

Yes:
e1bd9812966de9a16f30a58e7162b80bd6af361b libxc: support XEN_DOMCTL_soft_reset operation
and
c57e6ebd8c3e490e353e68d96abec1dad01e72f5 (lib)xl: soft reset support



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