[Qemu-devel] [PATCH 1/2] kvm/x86: Hyper-V based guest crash data handling

2015-06-11 Thread Denis V. Lunev
From: Andrey Smetanin 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

Re: [Qemu-devel] [PATCH 1/2] kvm/x86: Hyper-V based guest crash data handling

2015-06-13 Thread Peter Hornyack
Hi Denis, Andrey, I have a few comments and questions. On Thu, Jun 11, 2015 at 6:18 AM, Denis V. Lunev wrote: > From: Andrey Smetanin > > Windows 2012 guests can notify hypervisor about occurred guest crash > (Windows bugcheck(BSOD)) by writing specific Hyper-V msrs. This patch does > handling

Re: [Qemu-devel] [PATCH 1/2] kvm/x86: Hyper-V based guest crash data handling

2015-06-13 Thread Peter Hornyack
Hi Denis, Andrey, I have a few comments and questions. (re-sending in plain-text mode, apologies for sending twice.) On Thu, Jun 11, 2015 at 6:18 AM, Denis V. Lunev wrote: > From: Andrey Smetanin > > Windows 2012 guests can notify hypervisor about occurred guest crash > (Windows bugcheck(BSOD))

Re: [Qemu-devel] [PATCH 1/2] kvm/x86: Hyper-V based guest crash data handling

2015-06-15 Thread Andrey Smetanin
Hi Peter, thank you for comments. See answers below. On Fri, 2015-06-12 at 16:03 -0700, Peter Hornyack wrote: > Hi Denis, Andrey, I have a few comments and questions. (re-sending in > plain-text mode, apologies for sending twice.) > > On Thu, Jun 11, 2015 at 6:18 AM, Denis V. Lunev wrote: > > Fro

Re: [Qemu-devel] [PATCH 1/2] kvm/x86: Hyper-V based guest crash data handling

2015-06-17 Thread Paolo Bonzini
On 11/06/2015 15:18, Denis V. Lunev wrote: > From: Andrey Smetanin > > 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 >

Re: [Qemu-devel] [PATCH 1/2] kvm/x86: Hyper-V based guest crash data handling

2015-06-19 Thread Andrey Smetanin
On Wed, 2015-06-17 at 14:44 +0200, Paolo Bonzini wrote: > > On 11/06/2015 15:18, Denis V. Lunev wrote: > > From: Andrey Smetanin > > > > Windows 2012 guests can notify hypervisor about occurred guest crash > > (Windows bugcheck(BSOD)) by writing specific Hyper-V msrs. This patch does > > handlin

Re: [Qemu-devel] [PATCH 1/2] kvm/x86: Hyper-V based guest crash data handling

2015-06-19 Thread Paolo Bonzini
On 19/06/2015 12:28, Andrey Smetanin wrote: > On Wed, 2015-06-17 at 14:44 +0200, Paolo Bonzini wrote: >> >> On 11/06/2015 15:18, Denis V. Lunev wrote: >>> From: Andrey Smetanin >>> >>> Windows 2012 guests can notify hypervisor about occurred guest crash >>> (Windows bugcheck(BSOD)) by writing sp