linux-kernel - Re: [PATCH v2 09/13] KVM: x86: pass kvm_mmu_page to gfn_to

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Date:	Thu, 18 Jun 2015 12:41:32 +0800
From:	Xiao Guangrong <guangrong.xiao@...ux.intel.com>
To:	Paolo Bonzini <pbonzini@...hat.com>, linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org
CC:	rkrcmar@...hat.com, bdas@...hat.com
Subject: Re: [PATCH v2 09/13] KVM: x86: pass kvm_mmu_page to gfn_to_rmap



On 06/17/2015 04:15 PM, Paolo Bonzini wrote:
>
>
> On 09/06/2015 05:28, Xiao Guangrong wrote:
>>>
>>> -    rmapp = gfn_to_rmap(kvm, sp->gfn, PT_PAGE_TABLE_LEVEL);
>>> +    slots = kvm_memslots(kvm);
>>> +    slot = __gfn_to_memslot(slots, sp->gfn);
>>> +    rmapp = __gfn_to_rmap(sp->gfn, PT_PAGE_TABLE_LEVEL, slot);
>>>
>>
>> Why @sp is not available here?
>
> Because the function forces the level to be PT_PAGE_TABLE_LEVEL rather
> than sp->level.

Oh, right, thanks for your explanation. :)

Reviewed-by: Xiao Guangrong <guangrong.xiao@...ux.intel.com>
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