Re: [PATCH 1/3] iommu/vt-d: Refactor find_domain() helper

[Christoph Hellwig]

On Thu, Aug 01, 2019 at 02:01:54PM +0800, Lu Baolu wrote:
> +	/* No lock here, assumes no domain exit in normal case */

s/exit/exists/ ?

> +	info = dev->archdata.iommu;
> +	if (likely(info))
> +		return info->domain;

But then again the likely would be odd.