Re: [PATCH v3 06/11] KVM: MMU: cleanup FNAME(invlpg)

From: Avi Kivity
Date: Wed Sep 14 2011 - 05:57:23 EST


On 09/13/2011 09:31 PM, Xiao Guangrong wrote:
>> @@ -675,36 +684,20 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
>>
>> sp = page_header(__pa(sptep));
>> if (is_last_spte(*sptep, level)) {
>> - int offset, shift;
>> -
>> if (!sp->unsync)
>> break;
>>
>> - shift = PAGE_SHIFT -
>> - (PT_LEVEL_BITS - PT64_LEVEL_BITS) * level;
>> - offset = sp->role.quadrant<< shift;
>> -
>> - pte_gpa = (sp->gfn<< PAGE_SHIFT) + offset;
>> + pte_gpa = FNAME(get_first_pte_gpa)(sp);
>
>
> Here is can be used for L2 - I think we can use 2MB host pages to back 4MB guest mappings.
>

Only unsync shadow page is fetched here, and its level is always 1.


Right.

--
error compiling committee.c: too many arguments to function

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