Re: [PATCH v2 2/9] KVM: MMU: introduce for_each_rmap_spte()

[Paolo Bonzini]

On 12/05/2015 04:32, Xiao Guangrong wrote:
> -	while ((sptep = rmap_get_first(*rmapp, &iter))) {
> -		BUG_ON(!(*sptep & PT_PRESENT_MASK));
> +restart:
> +	for_each_rmap_spte(rmapp, &iter, sptep) {
>  		rmap_printk("kvm_rmap_unmap_hva: spte %p %llx gfn %llx (%d)\n",
>  			     sptep, *sptep, gfn, level);
>  
>  		drop_spte(kvm, sptep);
>  		need_tlb_flush = 1;
> +		goto restart;
>  	}
>  

For this one, I would keep using rmap_get_first.  Otherwise looks good.

Paolo
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