From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2CA91C433DF for ; Thu, 14 May 2020 19:58:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 122742065C for ; Thu, 14 May 2020 19:58:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727117AbgENT6Q (ORCPT ); Thu, 14 May 2020 15:58:16 -0400 Received: from verein.lst.de ([213.95.11.211]:53604 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728292AbgENT6Q (ORCPT ); Thu, 14 May 2020 15:58:16 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 5710E68BEB; Thu, 14 May 2020 21:58:13 +0200 (CEST) Date: Thu, 14 May 2020 21:58:13 +0200 From: Christoph Hellwig To: Daniel Borkmann Cc: Christoph Hellwig , ast@kernel.org, bpf@vger.kernel.org, netdev@vger.kernel.org, torvalds@linux-foundation.org, mhiramat@kernel.org, brendan.d.gregg@gmail.com, john.fastabend@gmail.com, yhs@fb.com Subject: Re: [PATCH bpf 0/3] Restrict bpf_probe_read{,str}() and bpf_trace_printk()'s %s Message-ID: <20200514195813.GA14720@lst.de> References: <20200514161607.9212-1-daniel@iogearbox.net> <20200514165802.GA3059@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Thu, May 14, 2020 at 09:54:06PM +0200, Daniel Borkmann wrote: > On 5/14/20 6:58 PM, Christoph Hellwig wrote: >> On Thu, May 14, 2020 at 06:16:04PM +0200, Daniel Borkmann wrote: >>> Small set of fixes in order to restrict BPF helpers for tracing which are >>> broken on archs with overlapping address ranges as per discussion in [0]. >>> I've targetted this for -bpf tree so they can be routed as fixes. Thanks! >> >> Does that mean you are targeting them for 5.7? > > Yes, it would make most sense to me based on the discussion we had in the > other thread. If there is concern wrt latency we could route these to DaveM's > net tree in a timely manner (e.g. still tonight or so). I don't think we should rush this too much. I just want to make sure it either goes into 5.7 or that we have a coordinated tree that I can base the maccess series on.