diff options
| author | Leon Hwang <leon.hwang@linux.dev> | 2026-01-07 10:20:16 +0800 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2026-01-06 20:48:32 -0800 |
| commit | 2b421662c7887a0649fe409155a1f101562d0fa9 (patch) | |
| tree | b7cca23b038d790a105c94d23e9b8ffbec1f5f24 /tools/include/uapi/linux | |
| parent | a8d506759231124efb911a3bd14d1ec2d9de15a1 (diff) | |
bpf: Introduce BPF_F_CPU and BPF_F_ALL_CPUS flags
Introduce BPF_F_CPU and BPF_F_ALL_CPUS flags and check them for
following APIs:
* 'map_lookup_elem()'
* 'map_update_elem()'
* 'generic_map_lookup_batch()'
* 'generic_map_update_batch()'
And, get the correct value size for these APIs.
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Leon Hwang <leon.hwang@linux.dev>
Link: https://lore.kernel.org/r/20260107022022.12843-2-leon.hwang@linux.dev
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/include/uapi/linux')
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index 6b92b0847ec2..b816bc53d2e1 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -1384,6 +1384,8 @@ enum { BPF_NOEXIST = 1, /* create new element if it didn't exist */ BPF_EXIST = 2, /* update existing element */ BPF_F_LOCK = 4, /* spin_lock-ed map_lookup/map_update */ + BPF_F_CPU = 8, /* cpu flag for percpu maps, upper 32-bit of flags is a cpu number */ + BPF_F_ALL_CPUS = 16, /* update value across all CPUs for percpu maps */ }; /* flags for BPF_MAP_CREATE command */ |