Re: [PATCH v2 bpf-next] bpf, tracing: unbreak lttng

On Mon, 26 Mar 2018 16:02:20 -0700
Alexei Starovoitov [off-list ref] wrote:

for_each_kernel_tracepoint() is used by out-of-tree lttng module
and therefore cannot be changed.

This is false and misleading. NACK.

-- Steve

Instead introduce kernel_tracepoint_find_by_name() to find
tracepoint by name.

Fixes: 9e9afbae6514 ("tracepoint: compute num_args at build time")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---
v1->v2: fix 'undef CONFIG_TRACEPOINTS' build as spotted by Mathieu