diff options
| author |   Haibo Xu <haibo1.xu@intel.com> | 2024-06-13 16:54:33 +0800 |
|---|---|---|
| committer |   Palmer Dabbelt <palmer@rivosinc.com> | 2024-07-22 07:13:06 -0700 |
| commit | eabd9db64ea8ba64d2a0b1d70da38e1a95dcd08b (patch) | |
| tree | 9ec6ab49d13c17dc915b7a6d2e3a6be8edd2fd3a /include/linux/acpi.h | |
| parent | Linux 6.10-rc1 (diff) | |
| download | wireguard-linux-eabd9db64ea8ba64d2a0b1d70da38e1a95dcd08b.tar.xz wireguard-linux-eabd9db64ea8ba64d2a0b1d70da38e1a95dcd08b.zip | |
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>
Diffstat (limited to 'include/linux/acpi.h')
| -rw-r--r-- | include/linux/acpi.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 28c3fb2bef0d..5a2b620ccd58 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -264,6 +264,12 @@ static inline void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } #endif +#ifdef CONFIG_RISCV +void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa); +#else +static inline void acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { } +#endif + #ifndef PHYS_CPUID_INVALID typedef u32 phys_cpuid_t; #define PHYS_CPUID_INVALID (phys_cpuid_t)(-1) |