From mboxrd@z Thu Jan  1 00:00:00 1970
From: tangchen <tangchen@cn.fujitsu.com>
Subject: Re: [PATCH v3 6/6] kvm, mem-hotplug: Reload L1's apic access page
 if it is migrated when L2 is running.
Date: Tue, 29 Jul 2014 18:56:54 -0400
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To: Jan Kiszka <jan.kiszka@web.de>, <gleb@kernel.org>,
	<mtosatti@redhat.com>, <nadav.amit@gmail.com>
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On 07/26/2014 04:44 AM, Jan Kiszka wrote:
> On 2014-07-23 21:42, Tang Chen wrote:
>> This patch only handle "L1 and L2 vm share one apic access page" situation.
>>
>> When L1 vm is running, if the shared apic access page is migrated, mmu_notifier will
>> request all vcpus to exit to L0, and reload apic access page physical address for
>> all the vcpus' vmcs (which is done by patch 5/6). And when it enters L2 vm, L2's vmcs
>> will be updated in prepare_vmcs02() called by nested_vm_run(). So we need to do
>> nothing.
>>
>> When L2 vm is running, if the shared apic access page is migrated, mmu_notifier will
>> request all vcpus to exit to L0, and reload apic access page physical address for
>> all L2 vmcs. And this patch requests apic access page reload in L2->L1 vmexit.
> Shouldn't this patch come before we allow apic access page migration?
Yes, it should come before patch 5.

Thanks.