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

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Message-ID: <55812CB1.6030805@redhat.com>
Date:	Wed, 17 Jun 2015 10:15:45 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Xiao Guangrong <guangrong.xiao@...ux.intel.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 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.

Paolo
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