linux-kernel - Re: [PATCH RFCv2] arm64: eBPF JIT compiler

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Date:	Wed, 9 Jul 2014 14:00:17 +0100
From:	Will Deacon <will.deacon@....com>
To:	Zi Shen Lim <zlim.lnx@...il.com>
Cc:	Catalin Marinas <Catalin.Marinas@....com>,
	"David S. Miller" <davem@...emloft.net>,
	Daniel Borkmann <dborkman@...hat.com>,
	Alexei Starovoitov <ast@...mgrid.com>,
	Chema Gonzalez <chema@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH RFCv2] arm64: eBPF JIT compiler

On Tue, Jul 08, 2014 at 08:06:53AM +0100, Zi Shen Lim wrote:
> * Per discussion with Will, I'll also look into consolidating
>   bpf_jit.h into arch/arm64/kernel/insn.{c,h}.

I'm happy to review this once you have something ready.

> FUTURE WORK:
> 
> 1. Implement remaining classes of eBPF instructions: ST|MEM, STX|XADD
>    which currently do not have corresponding test cases in test_bpf.

I can help out with atomics, if you need it. Are the memory barrier
semantics well-defined for eBPF?

Will
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