Re: x86: Don't report guest userspace emulation error to userspace, why ?

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Paolo Bonzini <pbonzini@xxxxxxxxxx> writes:

>> Paolo Bonzini <pbonzini@xxxxxxxxxx> writes:
>> > On 10/12/2015 18:58, Bandan Das wrote:
>> >>> > Allowing userspace to stop the guest with an emulation failure is a
>> >> This one I don't :) Userspace started the guest after all, there are other
>> >> ways for it to kill the guest if it wanted to.
>> >
>> > I mean allowing guest userspace to stop the guest.
>> 
>> Sure! Userspace (Qemu) can just reenter the guest when it sees the failure.
>> Doing it in the host kvm seems overkill.
>
> Most userspaces will get it wrong.  Doing it once makes sure that you
> do it right.

I don't buy that. As userspace, I prefer getting to know what error the guest
I launched hit and decide what to do. Well, atleast whenever I can. This seems
to be one such case.

> Paolo
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