Re: [PATCH v4 02/21] KVM: arm64: Add stand-alone page-table walker infrastructure

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Hi Will,

On 9/7/20 4:23 PM, Will Deacon wrote:
> [..]
> +
> +int kvm_pgtable_walk(struct kvm_pgtable *pgt, u64 addr, u64 size,
> +		     struct kvm_pgtable_walker *walker)
> +{
> +	struct kvm_pgtable_walk_data walk_data = {
> +		.pgt	= pgt,
> +		.addr	= ALIGN_DOWN(addr, PAGE_SIZE),
> +		.end	= PAGE_ALIGN(walk_data.addr + size),
> +		.walker	= walker,
> +	};

If the caller wants to walk [0x500, 0x1500), for PAGE_SIZE = 0x1000 (4K), the
function walks the range [0x0, 0x1000). Is that intentional?

Thanks,
Alex
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