Re: [Xen-devel] [RFC][PATCH] Emulate instructions in vm86 mode

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 7/9/06 14:09, "Bastian Blank" <bastian@xxxxxxxxxxxx> wrote:

>> (INS/OUTS). What happens if you just bail to the guest's GPF handler if in
>> vm86 mode?
> 
> I don't know how to do that.

Just add 'if (vm86_mode(regs)) goto fail' to the top of
emulate_privileged_op(). This will cause Xen to fall back to propagating the
fault to the guest's GPF handler.

 -- Keir

> There is some code to pass it to the guest in do_general_protection, but
> I don't know why it fails than.



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