From mboxrd@z Thu Jan  1 00:00:00 1970
From: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Subject: Re: [PATCH 07/10] KVM: x86: MMU: Encapsulate the type of rmap-chain
 head in a new struct
Date: Wed, 18 Nov 2015 11:21:14 +0800
Message-ID: <564BEEAA.4080101@linux.intel.com>
References: <20151112204849.ba920599a8426d7196a0df73@lab.ntt.co.jp>
 <20151112205503.82a69e2309928a854e25f75f@lab.ntt.co.jp>
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Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
To: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>,
	pbonzini@redhat.com
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On 11/12/2015 07:55 PM, Takuya Yoshikawa wrote:
> @@ -1720,7 +1724,7 @@ static struct kvm_mmu_page *kvm_mmu_alloc_page(struct kvm_vcpu *vcpu,
>   	 * this feature. See the comments in kvm_zap_obsolete_pages().
>   	 */
>   	list_add(&sp->link, &vcpu->kvm->arch.active_mmu_pages);
> -	sp->parent_ptes = 0;
> +	sp->parent_ptes.val = 0;

The sp is allocated from kmem_cache_zalloc() so explicitly initialize it to zero is
not needed.