Re: [Xen-devel] [PATCH 06/15] x86/emul: Rework emulator event injection

["Tian, Kevin" <kevin.tian@xxxxxxxxx>]

> From: Andrew Cooper [mailto:andrew.cooper3@xxxxxxxxxx]
> Sent: Wednesday, November 23, 2016 11:39 PM
> 
> The emulator needs to gain an understanding of interrupts and exceptions
> generated by its actions.
> 
> Move hvm_emulate_ctxt.{exn_pending,trap} into struct x86_emulate_ctxt so they
> are visible to the emulator.  This removes the need for the
> inject_{hw,sw}_interrupt() hooks, which are dropped and replaced with
> x86_emul_{hw_exception,software_event}() instead.
> 
> The shadow pagetable and PV uses of x86_emulate() previously failed with
> X86EMUL_UNHANDLEABLE due to the lack of inject_*() hooks, but this behaviour
> has subtly changed.  Adjust the return value checking to cause a pending event
> to fall back into the previous codepath.
> 
> No overall functional change.
> 
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
https://lists.xen.org/xen-devel