Re: [PATCH 10/13] KVM: x86: WARN on injected+pending exception even in nested case

[Jim Mattson]

On Wed, Apr 22, 2020 at 7:26 PM Sean Christopherson
<sean.j.christopherson@xxxxxxxxx> wrote:
>
> WARN if a pending exception is coincident with an injected exception
> before calling check_nested_events() so that the WARN will fire even if
> inject_pending_event() bails early because check_nested_events() detects
> the conflict.  Bailing early isn't problematic (quite the opposite), but
> suppressing the WARN is undesirable as it could mask a bug elsewhere in
> KVM.
>
> Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>