On Mon, Nov 18, 2024 at 10:52:42AM -0800, Vadim Fedorenko wrote:
> @@ -2094,6 +2094,13 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
> if (insn->src_reg == BPF_PSEUDO_KFUNC_CALL) {
> int err;
>
> + if (imm32 == BPF_CALL_IMM(bpf_get_cpu_cycles)) {
> + if (cpu_feature_enabled(X86_FEATURE_LFENCE_RDTSC))
> + EMIT3(0x0F, 0xAE, 0xE8);
> + EMIT2(0x0F, 0x31);
> + break;
> + }
TSC != cycles. Naming is bad.
