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Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER fo
From: |
Pandarathil, Vijaymohan R |
Subject: |
Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices |
Date: |
Tue, 5 Feb 2013 09:05:19 +0000 |
> -----Original Message-----
> From: Gleb Natapov [mailto:address@hidden
> Sent: Tuesday, February 05, 2013 12:05 AM
> To: Blue Swirl
> Cc: Pandarathil, Vijaymohan R; Alex Williamson; Bjorn Helgaas; Ortiz, Lance
> E; address@hidden; address@hidden; address@hidden;
> address@hidden
> Subject: Re: [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-
> PCI devices
>
> On Sun, Feb 03, 2013 at 04:36:11PM +0000, Blue Swirl wrote:
> > On Sun, Feb 3, 2013 at 2:10 PM, Pandarathil, Vijaymohan R
> > <address@hidden> wrote:
> > > - Create eventfd per vfio device assigned to a guest and
> register an
> > > event handler
> > >
> > > - This fd is passed to the vfio_pci driver through the SET_IRQ
> ioctl
> > >
> > > - When the device encounters an error, the eventfd is signalled
> > > and the qemu eventfd handler gets invoked.
> > >
> > > - In the handler decide what action to take. Current action
> taken
> > > is to terminate the guest.
> >
> > Usually this is not OK, but I guess this is not guest triggerable.
> >
> Still not OK. Why not stop a guest with appropriate stop reason?
The thinking was that since this is a hardware error, we would want to stop the
guest at the earliest. The hw_error() routine which aborts the qemu process was
suggested by Alex and that seemed appropriate. Earlier I was using
qemu_system_shutdown_request(). Any suggestions ?
Thanks
Vijay
>
> --
> Gleb.
- [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Pandarathil, Vijaymohan R, 2013/02/03
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Blue Swirl, 2013/02/03
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Gleb Natapov, 2013/02/05
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices,
Pandarathil, Vijaymohan R <=
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Gleb Natapov, 2013/02/05
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Pandarathil, Vijaymohan R, 2013/02/05
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Gleb Natapov, 2013/02/05
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Pandarathil, Vijaymohan R, 2013/02/05
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Gleb Natapov, 2013/02/05
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Alex Williamson, 2013/02/05
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Gleb Natapov, 2013/02/05
- Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Alex Williamson, 2013/02/05
Re: [Qemu-devel] [PATCH v3 3/3] QEMU-AER: Qemu changes to support AER for VFIO-PCI devices, Alex Williamson, 2013/02/04