Re: BPF64: proposal of platform-independent hardware-friendly backwards-compatible eBPF alternative

From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Tue, 10 Sep 2024 12:24:07 UTC
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Vadim Goncharov writes:

> It's easy for your Lua code (or whatever) code to hang kernel by
> infinite loop.  Or crash it by access on arbitrary pointer.

Lua has pointers now ?

> Your "counter proposal" was essentially available for all these decades
> in form "oh, just write KLD in C instead of that limited tcpdump".

You're yelling at the guy who implemented a (very fast!) firewall
where the rules were compiled to C code in a KLD.

> > If we are going to reinvent "Channel Programs" 67 years after IBM
> > came up with them for their 709 vacuum tube computer, at the very
> > least we should use a sensible language syntax.
>
> Don't know what that is, quick googling […]

Well, you probably should do some more research then, because unawareness
of history is /the/ major cause of pointlessly repeating mistakes.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.