On Dez 19 2025, Menglong Dong wrote:
> @@ -1171,6 +1167,8 @@ static int __arch_prepare_bpf_trampoline(struct
> bpf_tramp_image *im,
> }
>
> if (flags & BPF_TRAMP_F_CALL_ORIG) {
> + /* skip to actual body of traced function */
> + orig_call += RV_FENTRY_NINSNS * 4;
Before this line, orig_call still contains the same value as func_addr,
with the latter being dead, so there is not much point in using a copy.
--
Andreas Schwab, [email protected]
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