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Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with p
From: |
Gleb Natapov |
Subject: |
Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event |
Date: |
Thu, 14 Mar 2013 11:19:19 +0200 |
On Thu, Mar 14, 2013 at 10:14:12AM +0100, Paolo Bonzini wrote:
> Il 14/03/2013 09:15, Hu Tao ha scritto:
> > pvevent device is used to send guest panic event from guest to qemu.
> >
> > When guest panic happens, pvevent device driver will write a event
> > number to IO port 0x505(which is the IO port occupied by pvevent device,
> > by default). On receiving the event, pvevent device will pause guest
> > cpu(s), and send a qmp event QEVENT_GUEST_PANICKED.
> >
> > TODO: make the IO port configurable
>
> The port is already configurable as far as the device is concerned; when
> you add the port to the PC boards you will have to wind up fw-cfg.
>
Why not add fw-cfg when device is created (with -device for instance)?
> So these patches can go in already, with the sole change that the HID
> must be in the QEMU namespace rather than MSFT.
>
We should request one for QEMU.
--
Gleb.
- [Qemu-devel] [PATCH v14 0/4] pvevent device to deal with guest panic event, Hu Tao, 2013/03/14
- [Qemu-devel] [PATCH v14 1/4] add a new runstate: RUN_STATE_GUEST_PANICKED, Hu Tao, 2013/03/14
- [Qemu-devel] [PATCH v14 2/4] add a new qevent: QEVENT_GUEST_PANICKED, Hu Tao, 2013/03/14
- [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Hu Tao, 2013/03/14
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Paolo Bonzini, 2013/03/14
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event,
Gleb Natapov <=
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Paolo Bonzini, 2013/03/14
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Alexander Graf, 2013/03/14
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Paolo Bonzini, 2013/03/14
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Alexander Graf, 2013/03/14
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Gleb Natapov, 2013/03/14
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Markus Armbruster, 2013/03/20
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Gleb Natapov, 2013/03/14
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Paolo Bonzini, 2013/03/14
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Gleb Natapov, 2013/03/14
- Re: [Qemu-devel] [PATCH v14 3/4] introduce pvevent device to deal with panicked event, Paolo Bonzini, 2013/03/14