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

Martin Husemann <[email protected]> Tue, 10 Sep 2024 10:08:07 +0200

Newsgroups	gmane.os.netbsd.devel.network,gmane.os.freebsd.architechture,gmane.os.freebsd.devel.hackers,gmane.os.freebsd.devel.net,gmane.network.tcpdump.devel
Message-ID	<[email protected]>

On Tue, Sep 10, 2024 at 06:38:50AM +0000, Poul-Henning Kamp wrote:
> Counter proposal:
> 
> 1. Define the Lua execution environment in the kernel.
> 
> 2. Add syscall to submit a precompiled Lua program (as bytecode)
> 
> 3. Add syscall to execute submitted Lua program
> 
> And yes:  I'm being 100% serious.

That fits fine with the "klua" kernel LUA states that NetBSD already has.
Integrating that into proper bpf(4) hooks and extensions sounds like a
good way forward.

See:
	https://man.netbsd.org/luactl.8

and the refereneced pages from there.

Martin