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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_MUTT autolearn=unavailable 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 3BD5AC31E4C for ; Fri, 14 Jun 2019 07:09:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 077C12133D for ; Fri, 14 Jun 2019 07:09:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="lBEX2ynm" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726201AbfFNHJO (ORCPT ); Fri, 14 Jun 2019 03:09:14 -0400 Received: from merlin.infradead.org ([205.233.59.134]:35032 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725843AbfFNHJN (ORCPT ); Fri, 14 Jun 2019 03:09:13 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=k4RbWCbwBcKE2XaM1Q8HPG0quV1RdhqSycPKyg7Zrao=; b=lBEX2ynm4Dm3tZONdLQa1fe75 KnebKJCLoxzlvi0RMdFG7oJnvKBMFVyYXunjh3eHJYXL4X3WhyZtUB/2wYMaO3eJ6gQR4JiPmI9E1 JiOMxL8PPvdfhoL3ydZJMBiBM6WfZ89J5X5lSqtWW0Gi1yNg+AwzE76UYPZPmMASz000/ZHV3sGeW iAduEXHKODxPrAsPwo3VuIW/4Z4T5xKM00hB9q+Z916GkPNpzOZuIvb+wr5ko4Rmi2wGgi39oUSvf GDxQs5kfwaKjwUn1+fKPKI0zbVm17BfhnJIkpDhkXL0cfsNMCCZqKB87mkKgqQLrDmaO71aeaWWJU QQ96qSbuA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hbgKU-0004cU-Te; Fri, 14 Jun 2019 07:08:55 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 43EA020A15636; Fri, 14 Jun 2019 09:08:52 +0200 (CEST) Date: Fri, 14 Jun 2019 09:08:52 +0200 From: Peter Zijlstra To: Josh Poimboeuf Cc: Alexei Starovoitov , x86@kernel.org, linux-kernel@vger.kernel.org, Alexei Starovoitov , Daniel Borkmann , netdev@vger.kernel.org, bpf@vger.kernel.org, Song Liu , Kairui Song Subject: Re: [PATCH 2/9] objtool: Fix ORC unwinding in non-JIT BPF generated code Message-ID: <20190614070852.GQ3436@hirez.programming.kicks-ass.net> References: <99c22bbd79e72855f4bc9049981602d537a54e70.1560431531.git.jpoimboe@redhat.com> <20190613205710.et5fywop4gfalsa6@ast-mbp.dhcp.thefacebook.com> <20190614012030.b6eujm7b4psu62kj@treble> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190614012030.b6eujm7b4psu62kj@treble> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 13, 2019 at 08:20:30PM -0500, Josh Poimboeuf wrote: > On Thu, Jun 13, 2019 at 01:57:11PM -0700, Alexei Starovoitov wrote: > > and to patches 8 and 9. > > Well, it's your code, but ... can I ask why? AT&T syntax is the > standard for Linux, which is in fact the OS we are developing for. I agree, all assembly in Linux is AT&T, adding Intel notation only serves to cause confusion.