[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH v6] x86/monitor: Notify monitor if an emulation fails.

On 18/07/17 10:37, Petre Pircalabu wrote:
> If case of a vm_event with the emulate_flags set, if the instruction
> cannot be emulated, the monitor should be notified instead of directly
> injecting a hw exception.
> This behavior can be used to re-execute an instruction not supported by
> the emulator using the real processor (e.g. altp2m) instead of just
> crashing.
> Signed-off-by: Petre Pircalabu <ppircalabu@xxxxxxxxxxxxxxx>

There are many situations which end up failing an emulation with

What exact scenario are you looking to catch?  Is it just instructions
which aren't implemented in the emulator?


Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.