linux-kernel - Re: [PATCH 1/2] KVM: SVM: avoid infinite loop on NPF from bad address

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Message-ID: <7507de6a-799e-4f71-012d-ddaa39178284@redhat.com>
Date:   Wed, 8 Jul 2020 13:10:03 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Wanpeng Li <kernellwp@...il.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, kvm <kvm@...r.kernel.org>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        "# v3 . 10+" <stable@...r.kernel.org>
Subject: Re: [PATCH 1/2] KVM: SVM: avoid infinite loop on NPF from bad address

On 08/07/20 11:08, Wanpeng Li wrote:
>>>> +EXPORT_SYMBOL_GPL(kvm_vcpu_gfn_to_memslot);
>>> This commit incurs the linux guest fails to boot once add --overcommit
>>> cpu-pm=on or not intercept hlt instruction, any thoughts?
>> Can you write a selftest?
> Actually I don't know what's happening here(why not intercept hlt
> instruction has associated with this commit), otherwise, it has
> already been fixed. :)

I don't understand, what has been fixed and where?

Paolo