Re: [Xen-devel] [PATCH RFC v2 2/2] x86/emulate: Send vm_event from emulate

[Tamas K Lengyel <tamas@xxxxxxxxxxxxx>]

On Fri, Jan 11, 2019 at 8:37 AM Alexandru Stefan ISAILA
<aisaila@xxxxxxxxxxxxxxx> wrote:
>
> This patch aims to have mem access vm events sent from the emulator.
> This is useful in the case of page-walks that have to emulate
> instructions in access denied pages.
>

I'm a little confused about the scenario you mention here. You mark
pages where the pagetables are non-readable/writable in EPT and you
expect the emulated instruction would also violate access permissions
of the guest pagetable itself?

Thanks,
Tamas

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