Re: [PATCH v2 2/2] x86/cfi,bpf: Fix BPF JIT call

From: Peter Zijlstra
Date: Fri Dec 08 2023 - 08:41:38 EST


On Fri, Dec 08, 2023 at 11:29:40AM +0100, Peter Zijlstra wrote:
> The only problem I now have is the one XXX, I'm not entirely sure what
> signature to use there.

> @@ -119,6 +119,7 @@ int bpf_struct_ops_test_run(struct bpf_p
> op_idx = prog->expected_attach_type;
> err = bpf_struct_ops_prepare_trampoline(tlinks, link,
> &st_ops->func_models[op_idx],
> + /* XXX */ NULL,
> image, image + PAGE_SIZE);
> if (err < 0)
> goto out;

Duh, that should ofcourse be something of dummy_ops_test_ret_fn type.
Let me go fix that.