From: "Daniel P. Berrange" <berrange@redhat.com>
To: "Denis V. Lunev" <den@openvz.org>
Cc: kvm@vger.kernel.org, Gleb Natapov <gleb@kernel.org>,
qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>,
Andrey Smetanin <asmetanin@virtuozzo.com>
Subject: Re: [Qemu-devel] [PATCH v3 0/9] HyperV equivalent of pvpanic driver
Date: Tue, 30 Jun 2015 13:26:19 +0100 [thread overview]
Message-ID: <20150630122619.GF14025@redhat.com> (raw)
In-Reply-To: <1435664007-4965-1-git-send-email-den@openvz.org>
On Tue, Jun 30, 2015 at 02:33:18PM +0300, Denis V. Lunev wrote:
> Windows 2012 guests can notify hypervisor about occurred guest crash
> (Windows bugcheck(BSOD)) by writing specific Hyper-V msrs. This patch does
> handling of this MSR's by KVM and sending notification to user space that
> allows to gather Windows guest crash dump by QEMU/LIBVIRT.
>
> The idea is to provide functionality equal to pvpanic device without
> QEMU guest agent for Windows.
That's nice - do you know if the Linux kernel (or any other non-Win2k12
kernels) have support for notifying hypevisors via this Hyper-V msr,
when running as a guest ?
Regards,
Daniel
--
|: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org -o- http://virt-manager.org :|
|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
WARNING: multiple messages have this Message-ID (diff)
From: "Daniel P. Berrange" <berrange@redhat.com>
To: "Denis V. Lunev" <den@openvz.org>
Cc: Gleb Natapov <gleb@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
qemu-devel@nongnu.org, kvm@vger.kernel.org,
Andrey Smetanin <asmetanin@virtuozzo.com>
Subject: Re: [Qemu-devel] [PATCH v3 0/9] HyperV equivalent of pvpanic driver
Date: Tue, 30 Jun 2015 13:26:19 +0100 [thread overview]
Message-ID: <20150630122619.GF14025@redhat.com> (raw)
In-Reply-To: <1435664007-4965-1-git-send-email-den@openvz.org>
On Tue, Jun 30, 2015 at 02:33:18PM +0300, Denis V. Lunev wrote:
> Windows 2012 guests can notify hypervisor about occurred guest crash
> (Windows bugcheck(BSOD)) by writing specific Hyper-V msrs. This patch does
> handling of this MSR's by KVM and sending notification to user space that
> allows to gather Windows guest crash dump by QEMU/LIBVIRT.
>
> The idea is to provide functionality equal to pvpanic device without
> QEMU guest agent for Windows.
That's nice - do you know if the Linux kernel (or any other non-Win2k12
kernels) have support for notifying hypevisors via this Hyper-V msr,
when running as a guest ?
Regards,
Daniel
--
|: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :|
|: http://libvirt.org -o- http://virt-manager.org :|
|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :|
|: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|
next prev parent reply other threads:[~2015-06-30 12:26 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-30 11:33 [PATCH v3 0/9] HyperV equivalent of pvpanic driver Denis V. Lunev
2015-06-30 11:33 ` [Qemu-devel] " Denis V. Lunev
2015-06-30 11:33 ` [PATCH 1/9] kvm/x86: move Hyper-V MSR's/hypercall code into hyperv.c file Denis V. Lunev
2015-06-30 11:33 ` [Qemu-devel] " Denis V. Lunev
2015-07-01 0:11 ` Peter Hornyack
2015-07-01 0:11 ` [Qemu-devel] " Peter Hornyack
2015-06-30 11:33 ` [PATCH 2/9] kvm: introduce vcpu_debug = kvm_debug + vcpu context Denis V. Lunev
2015-06-30 11:33 ` [Qemu-devel] " Denis V. Lunev
2015-07-01 0:12 ` Peter Hornyack
2015-07-01 0:12 ` [Qemu-devel] " Peter Hornyack
2015-06-30 11:33 ` [PATCH 3/9] kvm: add hyper-v crash msrs values Denis V. Lunev
2015-06-30 11:33 ` [Qemu-devel] " Denis V. Lunev
2015-07-01 0:14 ` Peter Hornyack
2015-07-01 0:14 ` [Qemu-devel] " Peter Hornyack
2015-07-01 15:00 ` Paolo Bonzini
2015-07-01 15:00 ` [Qemu-devel] " Paolo Bonzini
2015-07-01 15:53 ` Denis V. Lunev
2015-07-01 15:53 ` [Qemu-devel] " Denis V. Lunev
2015-07-01 16:06 ` Peter Hornyack
2015-07-01 16:06 ` [Qemu-devel] " Peter Hornyack
2015-07-01 16:48 ` Paolo Bonzini
2015-07-01 16:48 ` [Qemu-devel] " Paolo Bonzini
2015-06-30 11:33 ` [PATCH 4/9] kvm/x86: added hyper-v crash msrs into kvm hyperv context Denis V. Lunev
2015-06-30 11:33 ` [Qemu-devel] " Denis V. Lunev
2015-07-01 0:14 ` Peter Hornyack
2015-07-01 0:14 ` [Qemu-devel] " Peter Hornyack
2015-06-30 11:33 ` [PATCH 5/9] kvm: added KVM_REQ_HV_CRASH value to notify qemu about hyper-v crash Denis V. Lunev
2015-06-30 11:33 ` [Qemu-devel] " Denis V. Lunev
2015-07-01 0:14 ` Peter Hornyack
2015-07-01 0:14 ` [Qemu-devel] " Peter Hornyack
2015-06-30 11:33 ` [PATCH 6/9] kvm/x86: mark hyper-v crash msrs as partition wide Denis V. Lunev
2015-06-30 11:33 ` [Qemu-devel] " Denis V. Lunev
2015-07-01 0:15 ` Peter Hornyack
2015-07-01 0:15 ` [Qemu-devel] " Peter Hornyack
2015-06-30 11:33 ` [PATCH 7/9] kvm/x86: added hyper-v crash data and ctl msr's get/set'ers Denis V. Lunev
2015-06-30 11:33 ` [Qemu-devel] " Denis V. Lunev
2015-07-01 0:15 ` Peter Hornyack
2015-07-01 0:15 ` [Qemu-devel] " Peter Hornyack
2015-07-01 16:47 ` Paolo Bonzini
2015-07-01 16:47 ` [Qemu-devel] " Paolo Bonzini
2015-06-30 11:33 ` [PATCH 8/9] kvm/x86: add sending hyper-v crash notification to user space Denis V. Lunev
2015-06-30 11:33 ` [Qemu-devel] " Denis V. Lunev
2015-07-01 0:16 ` Peter Hornyack
2015-07-01 0:16 ` [Qemu-devel] " Peter Hornyack
2015-07-01 15:12 ` Paolo Bonzini
2015-07-01 15:12 ` [Qemu-devel] " Paolo Bonzini
2015-06-30 11:33 ` [PATCH 9/9] qemu/kvm: kvm hyper-v based guest crash event handling Denis V. Lunev
2015-06-30 11:33 ` [Qemu-devel] " Denis V. Lunev
2015-07-01 15:07 ` Paolo Bonzini
2015-07-01 15:07 ` [Qemu-devel] " Paolo Bonzini
2015-07-02 13:19 ` Andrey Smetanin
2015-07-02 13:19 ` [Qemu-devel] " Andrey Smetanin
2015-07-02 13:30 ` Paolo Bonzini
2015-07-02 13:30 ` [Qemu-devel] " Paolo Bonzini
2015-06-30 12:26 ` Daniel P. Berrange [this message]
2015-06-30 12:26 ` [Qemu-devel] [PATCH v3 0/9] HyperV equivalent of pvpanic driver Daniel P. Berrange
2015-06-30 12:38 ` Denis V. Lunev
2015-06-30 12:38 ` Denis V. Lunev
2015-07-01 14:09 ` Paolo Bonzini
2015-07-01 14:09 ` [Qemu-devel] " Paolo Bonzini
2015-07-01 15:55 ` Denis V. Lunev
2015-07-01 15:55 ` [Qemu-devel] " Denis V. Lunev
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