Re: confusion about kvm_mmu_pte_write

On 08/24/2010 11:16 AM, cs-jerry** wrote: hello all, i am reading kvm code and confused about the mmu_pte_write process, when update a gpte, function kvm_mmu_pte_write is called , and walk the shadow page for it.why condition is : if (sp->gfn != gfn || sp->role.direct || sp->role.invalid) c

confusion about kvm_mmu_pte_write

hello all, i am reading kvm code and confused about the mmu_pte_write process, when update a gpte, function kvm_mmu_pte_write is called , and walk the shadow page for it.why condition is : if (sp->gfn != gfn || sp->role.direct || sp->role.invalid) continue; and not update those sp->gfn == gfn &