linux-kernel - Re: [PATCH] KVM: x86: accept userspace interrupt only if no event is injected

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Message-ID: <f6bd5b5b-2a4a-64e2-0a7b-a2bcdd3f541d@redhat.com>
Date:   Fri, 16 Jul 2021 16:41:04 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     stsp <stsp2@...dex.ru>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org
Cc:     stable@...r.kernel.org
Subject: Re: [PATCH] KVM: x86: accept userspace interrupt only if no event is
 injected

On 16/07/21 09:27, stsp wrote:
>> +    if (kvm_event_needs_reinjection(vcpu))
>> +        return false;
>> +
> 
> kvm_event_needs_reinjection() seems
> to miss exception.pending check.
> Don't we need it too?

Yes, good point.

Paolo