bpf: sync bpf.h to tools/ (1f8919b1) · Commits · 戴 / test

tools/include/uapi/linux/bpf.h

+5 −3

Original line number	Diff line number	Diff line
		@@ -580,6 +580,8 @@ union bpf_attr {
		* limited to five).
		*
		* Each time the helper is called, it appends a line to the trace.
		* Lines are discarded while \/sys/kernel/debug/tracing/trace is
		* open, use \/sys/kernel/debug/tracing/trace_pipe to avoid this.
		* The format of the trace is customizable, and the exact output
		* one will get depends on the options set in
		* \/sys/kernel/debug/tracing/trace_options (see also the
		@@ -1018,7 +1020,7 @@ union bpf_attr {
		* The realm of the route for the packet associated to skb, or 0
		* if none was found.
		*
		* int bpf_perf_event_output(struct pt_reg ctx, struct bpf_map map, u64 flags, void *data, u64 size)
		* int bpf_perf_event_output(struct pt_regs ctx, struct bpf_map map, u64 flags, void *data, u64 size)
		* Description
		* Write raw data blob into a special BPF perf event held by
		* map of type BPF_MAP_TYPE_PERF_EVENT_ARRAY. This perf
		@@ -1080,7 +1082,7 @@ union bpf_attr {
		* Return
		* 0 on success, or a negative error in case of failure.
		*
		* int bpf_get_stackid(struct pt_reg ctx, struct bpf_map map, u64 flags)
		* int bpf_get_stackid(struct pt_regs ctx, struct bpf_map map, u64 flags)
		* Description
		* Walk a user or a kernel stack and return its id. To achieve
		* this, the helper needs ctx, which is a pointer to the context
		@@ -1729,7 +1731,7 @@ union bpf_attr {
		* Return
		* 0 on success, or a negative error in case of failure.
		*
		* int bpf_override_return(struct pt_reg *regs, u64 rc)
		* int bpf_override_return(struct pt_regs *regs, u64 rc)
		* Description
		* Used for error injection, this helper uses kprobes to override
		* the return value of the probed function, and to set it to rc.

Admin message