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From: Aaron Lewis <aaronlewis@google.com>
To: Paolo Bonzini <pbonzini@redhat.com>
Cc: David Edmondson <david.edmondson@oracle.com>,
	Sean Christopherson <seanjc@google.com>,
	kvm list <kvm@vger.kernel.org>, Jim Mattson <jmattson@google.com>
Subject: Re: [PATCH v6 1/2] kvm: x86: Allow userspace to handle emulation errors
Date: Wed, 23 Jun 2021 10:44:44 -0700	[thread overview]
Message-ID: <CAAAPnDEQUG0_0+UuJoybdbQOv_p+267n_3it9m64wR1Nar7cOw@mail.gmail.com> (raw)
In-Reply-To: <CALMp9eQ_42r-S-JPD-n7oXEaeMRVZdUG1UQkYJkhmHCSUkjvrw@mail.gmail.com>

On Thu, Jun 3, 2021 at 1:35 PM Jim Mattson <jmattson@google.com> wrote:
>
> On Mon, May 10, 2021 at 7:48 AM Aaron Lewis <aaronlewis@google.com> wrote:
> >
> > Add a fallback mechanism to the in-kernel instruction emulator that
> > allows userspace the opportunity to process an instruction the emulator
> > was unable to.  When the in-kernel instruction emulator fails to process
> > an instruction it will either inject a #UD into the guest or exit to
> > userspace with exit reason KVM_INTERNAL_ERROR.  This is because it does
> > not know how to proceed in an appropriate manner.  This feature lets
> > userspace get involved to see if it can figure out a better path
> > forward.
> >
> > Signed-off-by: Aaron Lewis <aaronlewis@google.com>
> > Reviewed-by: David Edmondson <david.edmondson@oracle.com>
> Reviewed-by: Jim Mattson <jmattson@google.com>

Hi Paolo,

Does this change look okay to you?  Can I get it queued?

Thanks,
Aaron

  reply	other threads:[~2021-06-23 17:44 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-10 14:48 [PATCH v6 0/2] fallback for emulation errors Aaron Lewis
2021-05-10 14:48 ` [PATCH v6 1/2] kvm: x86: Allow userspace to handle " Aaron Lewis
2021-06-03 20:35   ` Jim Mattson
2021-06-23 17:44     ` Aaron Lewis [this message]
2021-06-23 21:38       ` Paolo Bonzini
2021-05-10 14:48 ` [PATCH v6 2/2] selftests: kvm: Allows " Aaron Lewis
2021-06-23 21:44 ` [PATCH v6 0/2] fallback for " Paolo Bonzini

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