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Re: [Qemu-devel] [PATCH 0/2 v3] kvm: notify host when guest panicked


From: Avi Kivity
Subject: Re: [Qemu-devel] [PATCH 0/2 v3] kvm: notify host when guest panicked
Date: Wed, 14 Mar 2012 12:08:06 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1

On 03/14/2012 12:04 PM, Wen Congyang wrote:
> > 
> > This is sufficient.  On the host, you can open /tmp/foo using a custom
> > program or nc (nc -U /tmp/foo).  On the guest, you can just open
> > /dev/virtio-ports/port1 and read/write into it.
>
> I have two questions:
> 1. does it OK to open this device when the guest is panicked?
>

On panic, I think it's best to reset the device and drive it directly
from the panic handler.

-- 
error compiling committee.c: too many arguments to function




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