From mboxrd@z Thu Jan  1 00:00:00 1970
From: Xiao Guangrong <guangrong.xiao@linux.intel.com>
Subject: Re: [PATCH] KVM: Remove redundant smp_mb() in the
 kvm_mmu_commit_zap_page()
Date: Thu, 10 Mar 2016 23:45:48 +0800
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On 03/10/2016 11:31 PM, Paolo Bonzini wrote:
>
>
> On 10/03/2016 16:26, Paolo Bonzini wrote:
>> Compared to smp_load_acquire(), smp_mb() adds an ordering between stores
>> and loads.
>
> Here, the ordering is load-store, hence...

Yes, this is why i put smp_mb() in the code. :)