Jonathan Cameron wrote: > On Wed, 14 Jun 2023 10:32:40 +0200 > Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > > On Tue, Jun 13, 2023 at 09:35:23PM -0700, alison.schofield@xxxxxxxxx wrote: > > > The CXL subsystem requires the creation of NUMA nodes for CFMWS > > > > The thing is CXL some persistent memory thing, right? But what is this > > CFMWS thing? I don't think I've ever seen that particular combination of > > letters together. > > > Hi Peter, > > To save time before the US based folk wake up. > [..] > Note there is no requirement that the access characteristics of memory mapped > into a given CFMWS should be remotely consistent across the whole window > - some of the window may route through switches, and to directly connected > devices. > That's a simplifying assumption made today as we don't yet know the full > scope of what people are building. > > Hope that helps (rather than causing confusion!) Thanks Jonathan! Patch 1 changelog also goes into more detail.
