Messages in this thread | | | Date | Fri, 25 Sep 2015 15:19:57 -0400 | From | Boris Ostrovsky <> | Subject | Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support |
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On 09/25/2015 03:01 PM, Konrad Rzeszutek Wilk wrote: > 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 >
That's toolstack issuing hypercalls from dom0.
I am asking about (non-privileged) guest itself calling SCHEDOP_shutdown.
-boris
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