Hi Benjamin,
On 23/11/2022 14:48, Benjamin Tissoires wrote:
...
We have a kernel test that checks for new warning and error messages on boot and with this change I am now seeing the following error message on our Tegra platforms ...
WARNING KERN hid_bpf: error while preloading HID BPF dispatcher: -13
I have a quick look at the code, but I can't say I am familiar with this. So I wanted to ask if a way to fix this or avoid this? I see the code returns 0, so one option would be to make this an informational or debug print.
I am not in favor of debug in that case, because I suspect it'll hide too much when getting a bug report. Informational could do, yes.
However, before that, I'd like to dig a little bit more on why it is failing. I thought arm64 now has support of tracing bpf programs, so I would not expect this to fail.
Yes it would be great if we could figure out why this is failing.
Would you mind sending me your .config so I can check in it if you are missing anything? I am thinking that maybe I need to also depend on BPF_JIT.
It is basically the stock upstream arm64 defconfig, but I will forward offline.
Cheers Jon