Re: [PATCH 1/5] iommu/vt-d: Add attach_deferred() helper

[Joerg Roedel]

On Tue, Feb 18, 2020 at 09:14:54AM -0800, Christoph Hellwig wrote:
> > +static bool attach_deferred(struct device *dev)
> > +{
> > +	return dev->archdata.iommu == DEFER_DEVICE_DOMAIN_INFO;
> > +}
> 
> This is not a very useful helper.

Depends on what one considers useful. I think such helpers make the code
better readable, which is pretty useful to me.

Regards,

	Joerg