diff options
| author | Matteo Croce <mcroce@microsoft.com> | 2021-09-15 01:54:00 +0200 |
|---|---|---|
| committer | Daniel Borkmann <daniel@iogearbox.net> | 2021-09-15 22:39:55 +0200 |
| commit | 336562752acc1a723f9a24b5b8129ae22e0478c6 (patch) | |
| tree | c9c87cd366e52a7632c629603538b3239c48e3d6 | |
| parent | 69cd823956ba8ce266a901170b1060db8073bddd (diff) | |
| download | linux-336562752acc1a723f9a24b5b8129ae22e0478c6.tar.bz2 | |
bpf: Update bpf_get_smp_processor_id() documentation
BPF programs run with migration disabled regardless of preemption, as
they are protected by migrate_disable(). Update the uapi documentation
accordingly.
Signed-off-by: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20210914235400.59427-1-mcroce@linux.microsoft.com
| -rw-r--r-- | include/uapi/linux/bpf.h | 2 | ||||
| -rw-r--r-- | tools/include/uapi/linux/bpf.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h index d21326558d42..3e9785f1064a 100644 --- a/include/uapi/linux/bpf.h +++ b/include/uapi/linux/bpf.h @@ -1629,7 +1629,7 @@ union bpf_attr { * u32 bpf_get_smp_processor_id(void) * Description * Get the SMP (symmetric multiprocessing) processor id. Note that - * all programs run with preemption disabled, which means that the + * all programs run with migration disabled, which means that the * SMP processor id is stable during all the execution of the * program. * Return diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h index d21326558d42..3e9785f1064a 100644 --- a/tools/include/uapi/linux/bpf.h +++ b/tools/include/uapi/linux/bpf.h @@ -1629,7 +1629,7 @@ union bpf_attr { * u32 bpf_get_smp_processor_id(void) * Description * Get the SMP (symmetric multiprocessing) processor id. Note that - * all programs run with preemption disabled, which means that the + * all programs run with migration disabled, which means that the * SMP processor id is stable during all the execution of the * program. * Return |