On 21-11-19 16:40:09, Randy Dunlap wrote: > 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. Yep. Thank you. Fixed for v2 and I added a reported-by tag from you. > -- > ~Randy