Description of problem:

The mainline kernel has already supported it in Linux-6.11.

This patch series enable RISC-V ACPI NUMA support which was based on the recently approved ACPI ECR

The code originates from the upstream, and we have made some interface modifications to adapt the Linux-6.6.

Version-Release number of selected component (if applicable):


How reproducible:

Launch the Qemu machine
qemu-system-riscv64 -nographic
-machine virt,pflash0=pflash0,pflash1=pflash1 -smp 4 -m 8G
-blockdev node-name=pflash0,driver=file,read-only=on,filename=RISCV_VIRT_CODE.fd
-blockdev node-name=pflash1,driver=file,filename=RISCV_VIRT_VARS.fd
-object memory-backend-ram,size=4G,id=m0
-object memory-backend-ram,size=4G,id=m1
-numa node,memdev=m0,cpus=0-1,nodeid=0
-numa node,memdev=m1,cpus=2-3,nodeid=1
-numa dist,src=0,dst=1,val=30
-kernel linux/arch/riscv/boot/Image
-initrd buildroot/output/images/rootfs.cpio
-append "root=/dev/ram ro console=hvc0 earlycon=sbi"



Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info: