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Date: Tue, 30 Jun 2015 13:26:19 +0100
From: "Daniel P. Berrange" <berrange@redhat.com>
Message-ID: <20150630122619.GF14025@redhat.com>
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Subject: Re: [Qemu-devel] [PATCH v3 0/9] HyperV equivalent of pvpanic driver
Reply-To: "Daniel P. Berrange" <berrange@redhat.com>
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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>

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
-- 
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