On 1/11/21 2:51 PM, Ben Widawsky wrote: > diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig > index 68da926ba5b1..0ac5080cd6e0 100644 > --- a/drivers/cxl/Kconfig > +++ b/drivers/cxl/Kconfig > @@ -33,4 +33,26 @@ config CXL_ACPI > specification. > > If unsure say 'm' > + > +config CXL_MEM > + tristate "CXL.mem: Endpoint Support" > + depends on PCI && CXL_BUS_PROVIDER > + default CXL_BUS_PROVIDER > + help > + The CXL.mem protocol allows a device to act as a provider of > + "System RAM" and/or "Persistent Memory" that is fully coherent > + as if the memory was attached to the typical CPU memory > + controller. All of those indented lines should use one tab (tristate, depends, default, and help). The help text should be indented with one tab + 2 spaces, like the lines below are. > + > + Say 'y/m' to enable a driver (named "cxl_mem.ko" when built as > + a module) that will attach to CXL.mem devices for > + configuration, provisioning, and health monitoring. This > + driver is required for dynamic provisioning of CXL.mem > + attached memory which is a pre-requisite for persistent memory patch 2 spells this as: prerequisite which is preferred IMO. > + support. Typically volatile memory is mapped by platform > + firmware and included in the platform memory map, but in some > + cases the OS is responsible for mapping that memory. See > + Chapter 2.3 Type 3 CXL Device in the CXL 2.0 specification. > + > + If unsure say 'm'. That last line needs one tab + 2 spaces for indentation. > endif -- ~Randy
