ACPI: RISCV: Add NUMA support based on SRAT and SLIT

Add acpi_numa.c file to enable parse NUMA information from ACPI SRAT and SLIT tables. SRAT table provide CPUs(Hart) and memory nodes to proximity domain mapping, while SLIT table provide the distance metrics between proximity domains. Signed-off-by: Haibo Xu <haibo1.xu@intel.com> Reviewed-by: Sunil V L <sunilvl@ventanamicro.com> Reviewed-by: Hanjun Guo <guohanjun@huawei.com> Link: https://lore.kernel.org/r/65dbad1fda08a32922c44886e4581e49b4a2fecc.1718268003.git.haibo1.xu@intel.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2026-10-28 20:03:05 +00:00 · 2024-06-13 16:54:33 +08:00 · 2024-06-13 16:54:33 +08:00 · eabd9db64e
commit eabd9db64e
parent 1613e604df
7 changed files with 154 additions and 10 deletions
--- a/arch/riscv/include/asm/acpi.h
+++ b/arch/riscv/include/asm/acpi.h
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
--- a/arch/riscv/kernel/acpi.c
+++ b/arch/riscv/kernel/acpi.c
--- a/arch/riscv/kernel/acpi_numa.c
+++ b/arch/riscv/kernel/acpi_numa.c
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
--- a/arch/riscv/kernel/smpboot.c
+++ b/arch/riscv/kernel/smpboot.c
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h