Re: [Qemu-devel] [Patch] Support translating Guest physical address to Host virtual address.

[Avi Kivity]

On 02/03/2010 06:14 PM, Anthony Liguori wrote:
> > > aren't we putting the cart before the horse here?
> > qemu has support for triggering MCEs on the monitor.
> >
> > Also the KVM code base has support for forwarding the MCEs 
> > automatically.
>
> KVM has all of the information you need (guest physical -> host 
> physical mapping).  It can also pin the mapping making it much safer 
> to interface at that level.  You should probably add an ioctl 
> interface to KVM to get a host physical from a given guest physical 
> and then use that to do the MCE injection.  You would need to write a 
> little helper tool and you would need a way to get an fd for an 
> existing guest.

It would be simpler to trigger the whole thing from within qemu.

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