Re: [PATCH] bpf: Tweak BPF jump table optimizations for objtool compatibility

From: Alexei Starovoitov
Date: Tue May 05 2020 - 15:14:12 EST


>
> Hi,
>
> I see the objtool warning:
> kernel/bpf/core.o: warning: objtool: ___bpf_prog_run()+0x33: call without frame pointer save/setup
>
> when using:
> gcc (SUSE Linux) 9.3.1 20200406 [revision 6db837a5288ee3ca5ec504fbd5a765817e556ac2]
>
> with the attached config file.

Thanks Randy. I reproduced it.