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
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index d213265..3e9785f1 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 d213265..3e9785f1 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