linux-kernel - Re: [PATCH v5 14/17] NTB: Add support for EPF PCI-Express Non-Transparent Bridge

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Date:   Fri, 18 Sep 2020 09:15:03 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jonathan Corbet <corbet@....net>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Arnd Bergmann <arnd@...db.de>, Jon Mason <jdmason@...zu.us>,
        Dave Jiang <dave.jiang@...el.com>,
        Allen Hubbe <allenbh@...il.com>,
        Tom Joseph <tjoseph@...ence.com>, Rob Herring <robh@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-pci@...r.kernel.org, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-ntb@...glegroups.com
Subject: Re: [PATCH v5 14/17] NTB: Add support for EPF PCI-Express
 Non-Transparent Bridge

On 9/17/20 11:42 PM, Kishon Vijay Abraham I wrote:
> diff --git a/drivers/ntb/hw/epf/Kconfig b/drivers/ntb/hw/epf/Kconfig
> new file mode 100644
> index 000000000000..6197d1aab344
> --- /dev/null
> +++ b/drivers/ntb/hw/epf/Kconfig
> @@ -0,0 +1,6 @@
> +config NTB_EPF
> +	tristate "Generic EPF Non-Transparent Bridge support"
> +	depends on m
> +	help
> +	  This driver supports EPF NTB on configurable endpoint.
> +	  If unsure, say N.

Hi,
Why is this driver restricted to 'm' (loadable module)?
I.e., it cannot be builtin.

thanks.
-- 
~Randy