Re: [PATCH v2 09/13] KVM: x86: pass kvm_mmu_page to gfn_to_rmap

[Xiao Guangrong]

On 05/28/2015 01:05 AM, Paolo Bonzini wrote:
> This is always available (with one exception in the auditing code).
> Later we will also use the role to look up the right memslots array.

>   			return;
> @@ -191,11 +191,15 @@ static void audit_write_protection(struct kvm *kvm, struct kvm_mmu_page *sp)
>   	unsigned long *rmapp;
>   	u64 *sptep;
>   	struct rmap_iterator iter;
> +	struct kvm_memslots *slots;
> +	struct kvm_memory_slot *slot;
>
>   	if (sp->role.direct || sp->unsync || sp->role.invalid)
>   		return;
>
> -	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?
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