Re: [PATCH bpf-next v2 01/13] bpf: move linked-scalar flags out of bpf_reg_state->id [NFC]

[Eduard Zingerman]

On Mon, 2026-09-14 at 18:17 -0700, Vineet Gupta wrote:

...

> >   static bool regs_exact(const struct bpf_reg_state *rold,
> >                  const struct bpf_reg_state *rcur,
> >                  struct bpf_idmap *idmap)
> >   {
> >       return memcmp(rold, rcur, offsetof(struct bpf_reg_state, id)) == 0 &&
> >              check_ids(rold->id, rcur->id, idmap) &&
> >              check_ids(rold->parent_id, rcur->parent_id, idmap);
> >   }
> 
> > Also even after above change to check_scalar_ids() the check_scalar_ids() is still
> > no equivalent to check_ids() that regs_exact() is doing.
> 
> ... Right: reverting back to what we had before.
> FWIW Eduard had suggested to use regs_exact; I'm not sure if he had 
> something else in mind which we might be overlooking.

I missed the check_scalar_ids() vs check_ids() difference, sorry.
Also, yes, let's squash with patch #2.

...