From: D. Ben Knoble <ben.knoble@gmail.com>
Date: Tue, 20 Jan 2026 02:36:44 GMT
Subject: Re: [PATCH 01/10] ivec: introduce the C side of ivec
Message-ID: <CALnO6CCf9zEVgWHjK_-kHzALa_JrOUDT_CSA1a_xa5gfPB3LtQ@mail.gmail.com>
In-Reply-To: <20260119204010.GA3148606@coredump.intra.peff.net>

On Mon, Jan 19, 2026 at 3:41 PM Jeff King <peff@peff.net> wrote:
>
>   2. There are some modern platforms in which pointers are a bit more
>      opaque than just numeric addresses. For example, we've had a few
>      patches dealing with questionable pointer usage to make things work
>      on CHERI Arm systems. I'm not sure if any of that would matter
>      here, though (IIRC, it was mostly that pointers were unexpectedly
>      large and had matching alignment requirements, but all of them
>      equally so).

Arguably on all modern platforms, pointers are more than just numeric
addresses, due to provenance ;)

- https://www.ralfj.de/blog/2018/07/24/pointers-and-bytes.html
- https://www.ralfj.de/blog/2020/12/14/provenance.html
- https://www.ralfj.de/blog/2022/04/11/provenance-exposed.html

-- 
D. Ben Knoble