From: "Denis V. Lunev" <den@openvz.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Peter Hornyack <peterhornyack@google.com>, <kvm@vger.kernel.org>,
<qemu-devel@nongnu.org>,
Andrey Smetanin <asmetanin@virtuozzo.com>,
Gleb Natapov <gleb@kernel.org>
Subject: Re: [PATCH 07/11] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers
Date: Tue, 23 Jun 2015 13:08:02 +0300 [thread overview]
Message-ID: <55893002.7020609@openvz.org> (raw)
In-Reply-To: <55892C2D.1010407@redhat.com>
On 23/06/15 12:51, Paolo Bonzini wrote:
>
> On 23/06/2015 11:47, Denis V. Lunev wrote:
>>> The current implementation is potentially more flexible but makes the
>>> MSR handling a little more awkward since the host_initiated bool needs
>>> to be passed around (patch 09). I guess either approach seems ok to
>>> me.
>>>
>>> Also, if this patchset is used then it looks like
>>> HV_X64_MSR_CRASH_CTL_CONTENTS can be removed.
>> Paolo,
>>
>> do you have any opinion on this? I prefer
>> configurable way but there is no problem
>> to enable it by default dropping 'hv_panic'
>> property.
> I also prefer the configurable way. Would hv_panic prevent
> reboot-on-BSOD from rebooting the VM?
>
> Paolo
the behavior becomes controlled by libvirt, which has
appropriate event configuration, specified here
https://libvirt.org/formatdomain.html
namely
<on_crash>restart</on_crash>
Thus it looks like without libvirt help the guest will stuck
in RUN_STATE_GUEST_PANICKED state.
Den
WARNING: multiple messages have this Message-ID (diff)
From: "Denis V. Lunev" <den@openvz.org>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Andrey Smetanin <asmetanin@virtuozzo.com>,
Gleb Natapov <gleb@kernel.org>,
qemu-devel@nongnu.org, kvm@vger.kernel.org,
Peter Hornyack <peterhornyack@google.com>
Subject: Re: [Qemu-devel] [PATCH 07/11] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers
Date: Tue, 23 Jun 2015 13:08:02 +0300 [thread overview]
Message-ID: <55893002.7020609@openvz.org> (raw)
In-Reply-To: <55892C2D.1010407@redhat.com>
On 23/06/15 12:51, Paolo Bonzini wrote:
>
> On 23/06/2015 11:47, Denis V. Lunev wrote:
>>> The current implementation is potentially more flexible but makes the
>>> MSR handling a little more awkward since the host_initiated bool needs
>>> to be passed around (patch 09). I guess either approach seems ok to
>>> me.
>>>
>>> Also, if this patchset is used then it looks like
>>> HV_X64_MSR_CRASH_CTL_CONTENTS can be removed.
>> Paolo,
>>
>> do you have any opinion on this? I prefer
>> configurable way but there is no problem
>> to enable it by default dropping 'hv_panic'
>> property.
> I also prefer the configurable way. Would hv_panic prevent
> reboot-on-BSOD from rebooting the VM?
>
> Paolo
the behavior becomes controlled by libvirt, which has
appropriate event configuration, specified here
https://libvirt.org/formatdomain.html
namely
<on_crash>restart</on_crash>
Thus it looks like without libvirt help the guest will stuck
in RUN_STATE_GUEST_PANICKED state.
Den
next prev parent reply other threads:[~2015-06-23 10:08 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-22 16:04 [PATCH v2 0/11] HyperV equivalent of pvpanic driver Denis V. Lunev
2015-06-22 16:04 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:04 ` [PATCH 01/11] kvm/x86: move Hyper-V MSR's/hypercall code into hyperv.c file Denis V. Lunev
2015-06-22 16:04 ` [Qemu-devel] " Denis V. Lunev
2015-06-25 10:25 ` Denis V. Lunev
2015-06-25 10:25 ` [Qemu-devel] " Denis V. Lunev
2015-06-25 10:26 ` Paolo Bonzini
2015-06-25 10:26 ` [Qemu-devel] " Paolo Bonzini
2015-06-22 16:04 ` [PATCH 02/11] kvm: introduce vcpu_debug = kvm_debug + vcpu context Denis V. Lunev
2015-06-22 16:04 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:05 ` [PATCH 03/11] kvm: add hyper-v crash msrs constants Denis V. Lunev
2015-06-22 16:05 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:05 ` [PATCH 04/11] kvm/x86: added hyper-v crash msrs into kvm hyperv context Denis V. Lunev
2015-06-22 16:05 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:05 ` [PATCH 05/11] kvm: added KVM_REQ_HV_CRASH value to notify qemu about Hyper-V crash Denis V. Lunev
2015-06-22 16:05 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:05 ` [PATCH 06/11] kvm/x86: mark hyper-v crash msrs as partition wide Denis V. Lunev
2015-06-22 16:05 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:05 ` [PATCH 07/11] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers Denis V. Lunev
2015-06-22 16:05 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 23:52 ` Peter Hornyack
2015-06-22 23:52 ` [Qemu-devel] " Peter Hornyack
2015-06-23 9:47 ` Denis V. Lunev
2015-06-23 9:47 ` [Qemu-devel] " Denis V. Lunev
2015-06-23 9:51 ` Paolo Bonzini
2015-06-23 9:51 ` [Qemu-devel] " Paolo Bonzini
2015-06-23 10:08 ` Denis V. Lunev [this message]
2015-06-23 10:08 ` Denis V. Lunev
2015-06-23 10:30 ` Paolo Bonzini
2015-06-23 10:30 ` [Qemu-devel] " Paolo Bonzini
2015-06-22 16:05 ` [PATCH 08/11] kvm/x86: add sending hyper-v crash notification to user space Denis V. Lunev
2015-06-22 16:05 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:05 ` [PATCH 09/11] kvm/x86: distingiush hyper-v guest crash notification Denis V. Lunev
2015-06-22 16:05 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:09 ` Paolo Bonzini
2015-06-22 16:09 ` [Qemu-devel] " Paolo Bonzini
2015-06-22 23:55 ` Peter Hornyack
2015-06-22 23:55 ` [Qemu-devel] " Peter Hornyack
2015-06-23 9:52 ` Paolo Bonzini
2015-06-23 9:52 ` [Qemu-devel] " Paolo Bonzini
2015-06-22 16:05 ` [PATCH 10/11] qemu/kvm: kvm hyper-v based guest crash event handling Denis V. Lunev
2015-06-22 16:05 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:15 ` Paolo Bonzini
2015-06-22 16:15 ` [Qemu-devel] " Paolo Bonzini
2015-06-22 16:17 ` Paolo Bonzini
2015-06-22 16:17 ` [Qemu-devel] " Paolo Bonzini
2015-06-22 16:05 ` [PATCH 11/11] qemu/kvm: mark in cpu state that hyper-v crash occured Denis V. Lunev
2015-06-22 16:05 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:23 ` Andreas Färber
2015-06-22 16:23 ` [Qemu-devel] " Andreas Färber
2015-06-22 16:27 ` Paolo Bonzini
2015-06-22 16:27 ` [Qemu-devel] " Paolo Bonzini
2015-06-22 16:33 ` Andreas Färber
2015-06-22 16:33 ` [Qemu-devel] " Andreas Färber
2015-06-22 16:35 ` Denis V. Lunev
2015-06-22 16:35 ` [Qemu-devel] " Denis V. Lunev
2015-06-22 16:36 ` Paolo Bonzini
2015-06-22 16:36 ` [Qemu-devel] " Paolo Bonzini
2015-06-22 17:46 ` Andreas Färber
2015-06-22 17:46 ` [Qemu-devel] " Andreas Färber
2015-06-23 9:53 ` Paolo Bonzini
2015-06-23 9:53 ` [Qemu-devel] " Paolo Bonzini
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