linux-kernel - Re: [PATCH 1/5] Revert "KVM: x86: Optimize mmio spte zapping when, creating/moving memslot"

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Message-Id: <20130316110747.57fb20e01bcfd890125e2c81@gmail.com>
Date:	Sat, 16 Mar 2013 11:07:47 +0900
From:	Takuya Yoshikawa <takuya.yoshikawa@...il.com>
To:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
Cc:	Marcelo Tosatti <mtosatti@...hat.com>,
	Gleb Natapov <gleb@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>, KVM <kvm@...r.kernel.org>
Subject: Re: [PATCH 1/5] Revert
 "KVM: x86: Optimize mmio spte zapping when, creating/moving memslot"

On Fri, 15 Mar 2013 23:26:59 +0800
Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com> wrote:

> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index d3c4787..61a5bb6 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -6991,7 +6991,7 @@ void kvm_arch_commit_memory_region(struct kvm *kvm,
>  	 * mmio sptes.
>  	 */
>  	if ((change == KVM_MR_CREATE) || (change == KVM_MR_MOVE)) {
> -		kvm_mmu_zap_mmio_sptes(kvm);
> 

???
+ kvm_mmu_zap_all()


	Takuya
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