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Groups > linux.kernel > #1233030
| From | Boris Ostrovsky <boris.ostrovsky@oracle.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support |
| Date | 2015-09-25 21:30 +0200 |
| Message-ID | <qcGQW-2j5-19@gated-at.bofh.it> (permalink) |
| References | (1 earlier) <qcBRg-3CV-11@gated-at.bofh.it> <qcDzI-5Tv-9@gated-at.bofh.it> <qcEvM-7fp-15@gated-at.bofh.it> <qcEP8-7Rs-13@gated-at.bofh.it> <qcGxz-1U9-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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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[PATCH] xen/pvhvm: add soft reset on kexec/kdump support Vitaly Kuznetsov <vkuznets@redhat.com> - 2015-09-25 12:10 +0200
Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2015-09-25 16:10 +0200
Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-09-25 18:00 +0200
Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support Vitaly Kuznetsov <vkuznets@redhat.com> - 2015-09-25 19:00 +0200
Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-09-25 19:20 +0200
Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2015-09-25 21:10 +0200
Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-09-25 21:30 +0200
Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> - 2015-09-25 21:40 +0200
Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-09-25 23:10 +0200
Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support Vitaly Kuznetsov <vkuznets@redhat.com> - 2015-09-29 13:50 +0200
Re: [PATCH] xen/pvhvm: add soft reset on kexec/kdump support Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-09-29 15:20 +0200
Re: [Xen-devel] [PATCH] xen/pvhvm: add soft reset on kexec/kdump support David Vrabel <david.vrabel@citrix.com> - 2015-09-28 16:20 +0200
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