Re: [Xen-devel] [PATCH v1] x86/hvm: Generic instruction re-execution mechanism for execute faults

[Razvan Cojocaru <rcojocaru@xxxxxxxxxxxxxxx>]

On 11/27/18 1:32 PM, Roger Pau Monné wrote:
> Would it be possible to add some kind of flag to the emulator to
> signal whether p2m restrictions should be enforced/ignored?
> hvmemul_acquire_page seems like a suitable place, but I'm not that
> familiar with the emulator.
> 
> Then you could generate vm events from the emulator itself, which
> AFAICT is the only way to handle this instruction execution issue.

I hope so, we'll definitely look into that.

> IMO, the best way is move forward with this issue is to enhance the
> emulator to be able to generate vm events.

Right, it does look that way to me too. Hopefully we can get something
working that way.


Thanks,
Razvan

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