Re: [PATCH hmm 1/5] mm/hmm: make CONFIG_DEVICE_PRIVATE into a select

[Christoph Hellwig]

On Tue, Apr 21, 2020 at 09:21:42PM -0300, Jason Gunthorpe wrote:
> From: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
> 
> There is no reason for a user to select this or not directly - it should
> be selected by drivers that are going to use the feature, similar to how
> CONFIG_HMM_MIRROR works.
> 
> Currently all drivers provide a feature kconfig that will disable use of
> DEVICE_PRIVATE in that driver, allowing users to avoid enabling this if
> they don't want the overhead.
> 
> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>