On Wed, 2024-01-17 at 14:33 -0800, Andrii Nakryiko wrote:
[...]
> + /* special cases */
> + switch (prog->type) {
> + case BPF_PROG_TYPE_KPROBE:
> + case BPF_PROG_TYPE_PERF_EVENT:
> + /* `struct pt_regs *` is expected, but we need to fix up */
> + if (btf_is_struct(t) && strcmp(tname, "pt_regs") == 0)
> + return true;
> + break;
Just to double-check my understanding, in patch #3 you say:
> for perf_event kernel allows `struct {pt_regs,user_pt_regs,user_regs_struct} *`.
Here `true` is returned only for `pt_regs`,
meaning that arch specific types "user_pt_regs" and "user_regs_struct"
would not be converted to "bpf_perf_event_data" but "pt_regs" would, right?
[...]
