diff options
| author | Atish Patra <atish.patra@wdc.com> | 2020-11-19 01:38:29 +0100 |
|---|---|---|
| committer | Palmer Dabbelt <palmerdabbelt@google.com> | 2021-01-15 00:08:58 +0100 |
| commit | 4f0e8eef772ee4438f304b2178bc28c958b6c13d (patch) | |
| tree | f793c5f7bbfdf6b9546db49bb98563ec212d504d /arch/riscv/kernel/setup.c | |
| parent | riscv: Add support pte_protnone and pmd_protnone if CONFIG_NUMA_BALANCING (diff) | |
| download | linux-4f0e8eef772ee4438f304b2178bc28c958b6c13d.tar.xz linux-4f0e8eef772ee4438f304b2178bc28c958b6c13d.zip | |
riscv: Add numa support for riscv64 platform
Use the generic numa implementation to add NUMA support for RISC-V.
This is based on Greentime's patch[1] but modified to use generic NUMA
implementation and few more fixes.
[1] https://lkml.org/lkml/2020/1/10/233
Co-developed-by: Greentime Hu <greentime.hu@sifive.com>
Signed-off-by: Greentime Hu <greentime.hu@sifive.com>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/kernel/setup.c')
| -rw-r--r-- | arch/riscv/kernel/setup.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c index 9cd81d4df031..90a4e06886a6 100644 --- a/arch/riscv/kernel/setup.c +++ b/arch/riscv/kernel/setup.c @@ -273,13 +273,19 @@ void __init setup_arch(char **cmdline_p) static int __init topology_init(void) { - int i; + int i, ret; + + for_each_online_node(i) + register_one_node(i); for_each_possible_cpu(i) { struct cpu *cpu = &per_cpu(cpu_devices, i); cpu->hotpluggable = cpu_has_hotplug(i); - register_cpu(cpu, i); + ret = register_cpu(cpu, i); + if (unlikely(ret)) + pr_warn("Warning: %s: register_cpu %d failed (%d)\n", + __func__, i, ret); } return 0; |