Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754386AbdHURby (ORCPT ); Mon, 21 Aug 2017 13:31:54 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:37312 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753856AbdHURbx (ORCPT ); Mon, 21 Aug 2017 13:31:53 -0400 Date: Mon, 21 Aug 2017 10:31:52 -0700 (PDT) Message-Id: <20170821.103152.1302932686530323238.davem@davemloft.net> To: david.daney@cavium.com Cc: ast@kernel.org, daniel@iogearbox.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org, ralf@linux-mips.org Subject: Re: [PATCH 0/3] MIPS,bpf: Improvements for MIPS eBPF JIT From: David Miller In-Reply-To: <20170818234033.5990-1-david.daney@cavium.com> References: <20170818234033.5990-1-david.daney@cavium.com> X-Mailer: Mew version 6.7 on Emacs 25.2 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Mon, 21 Aug 2017 10:31:53 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 663 Lines: 18 From: David Daney Date: Fri, 18 Aug 2017 16:40:30 -0700 > Here are several improvements and bug fixes for the MIPS eBPF JIT. > > The main change is the addition of support for JLT, JLE, JSLT and JSLE > ops, that were recently added. > > Also fix WARN output when used with preemptable kernel, and a small > cleanup/optimization in the use of BPF_OP(insn->code). > > I suggest that the whole thing go via the BPF/net-next path as there > are dependencies on code that is not yet merged to Linus' tree. > > Still pending are changes to reduce stack usage when the verifier can > determine the maximum stack size. Applied to net-next.