Re: [PATCH bpf-next v5 1/2] bpf, xdp: Add tracepoint to xdp attaching failure

[Jakub Kicinski]

On Tue,  1 Aug 2023 22:26:20 +0800 Leon Hwang wrote:
> When error happens in dev_xdp_attach(), it should have a way to tell
> users the error message like the netlink approach.
> 
> To avoid breaking uapi, adding a tracepoint in bpf_xdp_link_attach() is
> an appropriate way to notify users the error message.
> 
> Hence, bpf libraries are able to retrieve the error message by this
> tracepoint, and then report the error message to users.

Whatevered-by: Jakub Kicinski <kuba@xxxxxxxxxx> ?