Re: Linux 6.1-rc3 build fail in include/linux/bpf.h

From: Björn Töpel
Date: Tue Nov 01 2022 - 07:00:48 EST


Jiri Olsa <olsajiri@xxxxxxxxx> writes:

> On Mon, Oct 31, 2022 at 04:21:42PM +0100, Peter Zijlstra wrote:
>>
>> Does something crazy like the below work? It compiles but is otherwise
>> totally untested.
>
> looks good
>
> it has now the ftrace nop and the jump to the dispatcher image
> or the bpf_dispatcher_nop_func.. great :)
>
> bpf_dispatcher_xdp_func:
>
> ffffffff81cc87b0 <load1+0xcc87b0>:
> ffffffff81cc87b0: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
> ffffffff81cc87b5: e9 a6 fe 65 ff jmp 0xffffffff81328660
>
> tests work for me.. Toke, Björn, could you please check?

Awesome! Much nicer!

For Peter's patch, feel free to add:
Acked-by: Björn Töpel <bjorn@xxxxxxxxxx>