On 11/19/21 4:02 PM, Ben Widawsky wrote:
diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig
index 3aeb33bba5a3..f5553443ba2a 100644
--- a/drivers/cxl/Kconfig
+++ b/drivers/cxl/Kconfig
@@ -30,6 +30,21 @@ config CXL_PCI
If unsure say 'm'.
+config CXL_MEM
+ tristate "CXL.mem: Memory Devices"
+ default CXL_BUS
+ 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.
+ This is known as HDM "Host-managed Device Memory".
+
+ Say 'y/m' to enable a driver that will attach to CXL.mem devices for
+ memory expansion and control of HDM. See Chapter 9.13 in the CXL 2.0
+ specification for a detailed description of HDM.
+
+ If unsure say 'm'.
Hi Ben,
Both patch 20 and patch 22 add a "new" CXL_MEM config symbol.
Is one of them a typo?
thanks.
--
~Randy
