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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 04F7FC43331 for ; Thu, 2 Apr 2020 08:19:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB10D2080C for ; Thu, 2 Apr 2020 08:19:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387735AbgDBITs (ORCPT ); Thu, 2 Apr 2020 04:19:48 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:36370 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387603AbgDBITs (ORCPT ); Thu, 2 Apr 2020 04:19:48 -0400 Received: from p5de0bf0b.dip0.t-ipconnect.de ([93.224.191.11] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1jJv4f-0007Hd-K5; Thu, 02 Apr 2020 10:19:41 +0200 Received: by nanos.tec.linutronix.de (Postfix, from userid 1000) id B8300100D52; Thu, 2 Apr 2020 10:19:40 +0200 (CEST) From: Thomas Gleixner To: Linus Torvalds Cc: Ingo Molnar , Al Viro , Andy Lutomirski , Linux Kernel Mailing List , Borislav Petkov , Peter Zijlstra , Andrew Morton Subject: Re: [GIT PULL] x86 cleanups for v5.7 In-Reply-To: References: <20200331080111.GA20569@gmail.com> <87v9mioj5r.fsf@nanos.tec.linutronix.de> Date: Thu, 02 Apr 2020 10:19:40 +0200 Message-ID: <87sghmnvtv.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Linus Torvalds writes: > On Wed, Apr 1, 2020 at 4:55 PM Thomas Gleixner wrote: >> >> - x86 starts the short log after the colon with an uppercase >> letter > > Ahh. I actually tried to match the previous ones by Al, and they don't > follow that pattern. Yeah. As Al's stuff was late already, I just took it as is. >> - All commits lack a Link:https//lore.kernel.org/r/$MSG-ID tag. That >> might be an oversight or just reflecting the fact that these patches >> have never seen a mailing list. > > Yeah. They were literally me looking at my patch in my other tree, and > trying to make incremental progress. > > Nobody else has a working compiler to even test that patch, because > even upstream tip-of-the-day llvm mis-generates code (I have a patch > that makes it generate ok code, but that one isn't good enough to > actually go upstream in llvm). Fair enough. > I don't think I'll do any more, because the next stage really is to > actually have some CONFIG_ASM_GOTO_WITH_INPUTS code and then try to > make something similar to the SET_CC for this. > >> From a quick check I can confirm that the resulting text changes are >> just random noise and I did not notice anything horrible in the >> generated code either. > > Btw, do you guys have some better object code comparison thing than my > "objdump plus a few sed scripts to hide code movement effects" Not sure whether s/sed/python/ makes it any better :) Thanks, tglx