linux-kernel - Re: [PATCH v8 0/8] kvm, mem-hotplug: Do not pin ept identity pagetable and apic access page.

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Message-ID: <5424BF8B.1010701@cn.fujitsu.com>
Date:	Fri, 26 Sep 2014 09:21:15 +0800
From:	Tang Chen <tangchen@...fujitsu.com>
To:	Paolo Bonzini <pbonzini@...hat.com>, <gleb@...nel.org>,
	<mtosatti@...hat.com>, <nadav.amit@...il.com>, <jan.kiszka@....de>
CC:	<kvm@...r.kernel.org>, <laijs@...fujitsu.com>,
	<isimatu.yasuaki@...fujitsu.com>, <guz.fnst@...fujitsu.com>,
	<linux-kernel@...r.kernel.org>, <tangchen@...fujitsu.com>
Subject: Re: [PATCH v8 0/8] kvm, mem-hotplug: Do not pin ept identity pagetable
 and apic access page.


On 09/25/2014 09:43 PM, Paolo Bonzini wrote:
> Il 25/09/2014 10:19, Tang Chen ha scritto:
>> Hi Paolo,
>>
>> I'd like to help to test the patches.
>> Would you please tell me what is the best way to test this patch-set ?
> How did _you_ test the patches?...

I just added "-cpu xxx,-x2apic" option, start the guest, using numactl 
to bind it
to a node (eg: node1). And offline the pages on node1. And repeat above 
thing
for a while. And it is OK.

I'm not sure if this is enough.

Thanks.

>
>> I think ept page is being used by regular guest.
>> Is adding "-cpu xxx,-x2apic option" able to make sure guest is using
>> apic page ?
> Yes.
>
> Paolo
> .
>

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