On 8/5/25 5:23 AM, Tao Chen wrote:
bpf program should run under migration disabled, kprobe_multi_link_prog_run
called the way from graph tracer, which disables preemption in
function_graph_enter_regs, as Jiri and Yonghong suggested, there is no
need to use migrate_disable. As a result, some overhead maybe will be
reduced.
Fixes: 0dcac2725406 ("bpf: Add multi kprobe link")
Signed-off-by: Tao Chen <chen.dylane@xxxxxxxxx>
Acked-by: Yonghong Song <yonghong.song@xxxxxxxxx>
