Date: Tue, 10 Sep 2024 12:51:08 +0100 From: Bob Bishop <rb@gid.co.uk> To: Poul-Henning Kamp <phk@phk.freebsd.dk> Cc: Vadim Goncharov <vadimnuclight@gmail.com>, "freebsd-arch@freebsd.org" <freebsd-arch@FreeBSD.org>, "freebsd-hackers@freebsd.org" <freebsd-hackers@FreeBSD.org>, "freebsd-net@freebsd.org" <freebsd-net@FreeBSD.org>, tcpdump-workers@lists.tcpdump.org, "tech-net@netbsd.org" <tech-net@NetBSD.org>, Alexander Nasonov <alnsn@NetBSD.org> Subject: Re: BPF64: proposal of platform-independent hardware-friendly backwards-compatible eBPF alternative Message-ID: <2F9BBCAE-C0EA-43E7-B371-AE3FF733E72E@gid.co.uk> In-Reply-To: <202409100638.48A6cor2090591@critter.freebsd.dk> References: <20240910040544.125245ad@nuclight.lan> <202409100638.48A6cor2090591@critter.freebsd.dk>
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Hi, > On 10 Sep 2024, at 07:38, Poul-Henning Kamp <phk@phk.freebsd.dk> = wrote: >=20 > -------- > Vadim Goncharov writes: >=20 >> I've put a sketch of design to https://github.com/nuclight/bpf64 with = files: >=20 > Counter proposal: >=20 > 1. Define the Lua execution environment in the kernel. >=20 > 2. Add syscall to submit a precompiled Lua program (as bytecode) >=20 > 3. Add syscall to execute submitted Lua program >=20 > And yes: I'm being 100% serious. >=20 > 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. +1 We did something like this at $work years ago with FORTH, to do weird = things in a driver. > Poul-Henning >=20 > --=20 > Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 > phk@FreeBSD.ORG | TCP/IP since RFC 956 > FreeBSD committer | BSD since 4.3-tahoe =20 > Never attribute to malice what can adequately be explained by = incompetence. >=20 -- Bob Bishop rb@gid.co.uk
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