Re: [Linux-nvdimm] [PATCH 05/21] nfit-test: manufactured NFITs for interface development

[Linda Knippers <linda.knippers@hp.com>]

On 4/17/2015 9:35 PM, Dan Williams wrote:
:
> diff --git a/drivers/block/nd/Kconfig b/drivers/block/nd/Kconfig
> index 5fa74f124b3e..0106b3807202 100644
> --- a/drivers/block/nd/Kconfig
> +++ b/drivers/block/nd/Kconfig
> @@ -41,4 +41,24 @@ config NFIT_ACPI
>  	  register the platform-global NFIT blob with the core.  Also
>  	  enables the core to craft ACPI._DSM messages for platform/dimm
>  	  configuration.
> +
> +config NFIT_TEST
> +	tristate "NFIT TEST: Manufactured NFIT for interface testing"
> +	depends on DMA_CMA
> +	depends on ND_CORE=m
> +	depends on m
> +	help
> +	  For development purposes register a manufactured
> +	  NFIT table to verify the resulting device model topology.
> +	  Note, this module arranges for ioremap_cache() to be
> +	  overridden locally to allow simulation of system-memory as an
> +	  io-memory-resource.
> +
> +	  Note, this test expects to be able to find at least
> +	  256MB of CMA space (CONFIG_CMA_SIZE_MBYTES) or it will fail to

It seems to actually be wanting >= 584MB.

-- ljk

> +	  load.  Kconfig does not allow for numerical value
> +	  dependencies, so we can only warn at runtime.
> +
> +	  Say N unless you are doing development of the 'nd' subsystem.
> +
>  endif