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From: Xiao Guangrong <guangrong.xiao@linux.intel.com>
To: Takuya Yoshikawa <yoshikawa_takuya_b1@lab.ntt.co.jp>,
	pbonzini@redhat.com
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org
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	[thread overview]
Message-ID: <564BEEAA.4080101@linux.intel.com> (raw)
In-Reply-To: <20151112205503.82a69e2309928a854e25f75f@lab.ntt.co.jp>



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.

  reply	other threads:[~2015-11-18  3:28 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-12 11:48 [PATCH 00/10 V2] KVM: x86: MMU: Clean up x86's mmu code for future work Takuya Yoshikawa
2015-11-12 11:49 ` [PATCH 01/10] KVM: x86: MMU: Remove unused parameter of __direct_map() Takuya Yoshikawa
2015-11-12 11:50 ` [PATCH 02/10] KVM: x86: MMU: Add helper function to clear a bit in unsync child bitmap Takuya Yoshikawa
2015-11-18  2:44   ` Xiao Guangrong
2015-11-19  0:59     ` Takuya Yoshikawa
2015-11-19  2:46       ` Xiao Guangrong
2015-11-19  4:02         ` Takuya Yoshikawa
2015-11-12 11:51 ` [PATCH 03/10] KVM: x86: MMU: Make mmu_set_spte() return emulate value Takuya Yoshikawa
2015-11-12 11:51 ` [PATCH 04/10] KVM: x86: MMU: Remove is_rmap_spte() and use is_shadow_present_pte() Takuya Yoshikawa
2015-11-12 11:52 ` [PATCH 05/10] KVM: x86: MMU: Use for_each_rmap_spte macro instead of pte_list_walk() Takuya Yoshikawa
2015-11-13 21:47   ` Marcelo Tosatti
2015-11-14  9:20     ` Marcelo Tosatti
2015-11-16  2:51       ` Takuya Yoshikawa
2015-11-17 17:58         ` Paolo Bonzini
2015-11-18  3:07   ` Xiao Guangrong
2015-11-12 11:53 ` [PATCH 06/10] KVM: x86: MMU: Consolidate WARN_ON/BUG_ON checks for reverse-mapped sptes Takuya Yoshikawa
2015-11-13 22:08   ` Marcelo Tosatti
2015-11-16  3:34     ` Takuya Yoshikawa
2015-11-12 11:55 ` [PATCH 07/10] KVM: x86: MMU: Encapsulate the type of rmap-chain head in a new struct Takuya Yoshikawa
2015-11-18  3:21   ` Xiao Guangrong [this message]
2015-11-18  9:09     ` Paolo Bonzini
2015-11-19  2:23       ` Takuya Yoshikawa
2015-11-12 11:55 ` [PATCH 08/10] KVM: x86: MMU: Move initialization of parent_ptes out from kvm_mmu_alloc_page() Takuya Yoshikawa
2015-11-12 11:56 ` [PATCH 09/10 RFC] KVM: x86: MMU: Move parent_pte handling from kvm_mmu_get_page() to link_shadow_page() Takuya Yoshikawa
2015-11-12 14:27   ` Paolo Bonzini
2015-11-12 17:03     ` Paolo Bonzini
2015-11-13  2:15     ` Takuya Yoshikawa
2015-11-13 10:51       ` Paolo Bonzini
2015-11-18  3:32   ` Xiao Guangrong
2015-11-12 11:57 ` [PATCH 10/10] KVM: x86: MMU: Remove unused parameter parent_pte from kvm_mmu_get_page() Takuya Yoshikawa
2015-11-12 12:08 ` [PATCH 00/10 V2] KVM: x86: MMU: Clean up x86's mmu code for future work Paolo Bonzini

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