Re: [PATCH v4 bpf-next 3/7] bpf: enhance subregister bounds deduction logic

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On Tue, Oct 24, 2023 at 5:22 AM Shung-Hsi Yu <shung-hsi.yu@xxxxxxxx> wrote:
>
> On Sun, Oct 22, 2023 at 01:57:39PM -0700, Andrii Nakryiko wrote:
> > Add handling of a bunch of possible cases which allows deducing extra
> > information about subregister bounds, both u32 and s32, from full register
> > u64/s64 bounds.
> >
> > Also add smin32/smax32 bounds derivation from corresponding umin32/umax32
> > bounds, similar to what we did with smin/smax from umin/umax derivation in
> > previous patch.
> >
> > Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
>
> Forgot to add
>
> Acked-by: Shung-Hsi Yu <shung-hsi.yu@xxxxxxxx>
>
> And that the acked-by for this and previous patches applies to future
> version of the patchset as well.
>
> Q: I going through the patches rather slowly, one by one, and sending
> acked-by as I go, is that considered too verbose? Is it be better to spend
> the time to go through the entire patchset first and just send an acked-by
> to the cover letter?

Take your time. Careful review of every individual patch is certainly preferred.
This is a tricky change. I'm still stuck on patch 2 :)





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