On Tue, 2024-07-02 at 14:11 -0700, Andrii Nakryiko wrote: [...] > > > > +#ifdef CONFIG_X86_64 > > > > + case BPF_FUNC_get_smp_processor_id: > > > > + return env->prog->jit_requested && bpf_jit_supports_percpu_insn(); > > > > +#endif > > > > > > please see bpf_jit_inlines_helper_call(), arm64 and risc-v inline it > > > in JIT, so we need to validate they don't assume any of R1-R5 register > > > to be a scratch register > > > > At the moment I return false for this archs. > > Or do you suggest these to be added in the current patch-set? > > I'd add them from the get go. CC Puranjay to double-check? I'll give it a try.
