Thanks Phil, David and Fan Looks like it was an error from my side due to lack of information cxl create-region works :)
On Thu, 10 Aug 2023 at 16:29, Philippe Mathieu-Daudé <phi...@linaro.org> wrote: > > Hi, > > Cc'ing Igor and David. > > On 9/8/23 00:51, Maverickk 78 wrote: > > Hello, > > > > I am running qemu-system-x86_64 > > > > qemu-system-x86_64 --version > > QEMU emulator version 8.0.92 (v8.1.0-rc2-80-g0450cf0897) > > > > qemu-system-x86_64 \ > > -m 2G,slots=4,maxmem=4G \ > > -smp 4 \ > > -machine type=q35,accel=kvm,cxl=on \ > > -enable-kvm \ > > -nographic \ > > -device pxb-cxl,id=cxl.0,bus=pcie.0,bus_nr=52 \ > > -device cxl-rp,id=rp0,bus=cxl.0,chassis=0,port=0,slot=0 \ > > -object memory-backend-file,id=mem0,mem-path=/tmp/mem0,size=1G,share=true \ > > -device cxl-type3,bus=rp0,volatile-memdev=mem0,id=cxl-mem0 \ > > -M cxl-fmw.0.targets.0=cxl.0,cxl-fmw.0.size=1G > > > > > > I was expecting the CXL memory to be listed in "System Ram", the lsmem > > shows only 2G memory which is System RAM, it's not listing the CXL > > memory. > > Sounds like a bug. Do you mind reporting at > https://gitlab.com/qemu-project/qemu/-/issues? > > Thanks, > > Phil. > > > Do I need to pass any particular parameter in the kernel command line? > > > > Is there any documentation available? I followed the inputs provided in > > > > https://lore.kernel.org/linux-mm/y+csoehvlkudn...@kroah.com/T/ > > > > Is there any documentation/blog listed? > > >