From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: regression bisected; KVM: entry failed, hardware error 0x80000021
Date: Sat, 27 Dec 2014 20:33:54 +0100
Message-ID: <549F09A2.2050903@redhat.com>
References: <20141221124640.GA4059@cucamonga.audible.transient.net> <5497C882.4000108@intel.com> <20141222092358.GA3915@cucamonga.audible.transient.net> <5498CA50.8070906@intel.com> <5498CB62.3070901@intel.com> <20141223072659.GA4015@cucamonga.audible.transient.net> <549A796C.50801@intel.com> <20141224110239.GA3908@cucamonga.audible.transient.net> <549BC0D9.6040801@intel.com>
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Cc: kvm@vger.kernel.org
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On 25/12/2014 08:46, Chen, Tiejun wrote:
> 
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index f528343..910bc48 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -672,6 +672,7 @@ static void update_memslots(struct kvm_memslots *slots,
>         WARN_ON(mslots[i].id != id);
>         if (!new->npages) {
>                 new->base_gfn = 0;
> +               new->flags = 0;
>                 if (mslots[i].npages)
>                         slots->used_slots--;
>         } else {

Why is this assignment needed?

Paolo