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=-5.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 EF93BC433E1 for ; Fri, 21 Aug 2020 20:04:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C248120735 for ; Fri, 21 Aug 2020 20:04:22 +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="TucXWrGq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726688AbgHUUEV (ORCPT ); Fri, 21 Aug 2020 16:04:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725801AbgHUUEU (ORCPT ); Fri, 21 Aug 2020 16:04:20 -0400 Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 88054C061573; Fri, 21 Aug 2020 13:04:20 -0700 (PDT) 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; bh=Q/5cLwo6CW2gAGB73S/eWI4uysogF7Wu1+mSu96EwpY=; b=TucXWrGqrHyifySEfqTeawaLgK ltEvuAyBvjRhzSOjW6e/UQEW9EG2QXmRhhOvwLPm5lV6mqtZjxX0U39LkJLSXtZqRLi1Y0kmg1lC0 EBsG6BWOPX9MIaFVyU1wEnwmIA7Q+nLDVJDRnL7DwDXT91bB15pv7vM52SKhjkZ7PQNfQ05DhKWfj HxOxu1gS4wzbtrWMDe0leSuFT9+o0L50j4w3VZ6vaIzudvQdndU78c072P5wZwkcai4seXr8IKKrB lkXr8f5vSJWiFGh0bsEGpB7NDaxzWqItmnMfyVfXxF9Q8ja9e3vCIYy6VVBRjTD8eR7O+jwYGQ9nA JDQV7n9g==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=worktop.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1k9DGP-0006nk-Kp; Fri, 21 Aug 2020 20:03:49 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id 69894980DF7; Fri, 21 Aug 2020 22:03:47 +0200 (CEST) Date: Fri, 21 Aug 2020 22:03:47 +0200 From: Peter Zijlstra To: Arvind Sankar Cc: Linus Torvalds , Rasmus Villemoes , Nick Desaulniers , =?iso-8859-1?Q?D=E1vid_Bolvansk=FD?= , Eli Friedman , "H. Peter Anvin" , Masahiro Yamada , Andrew Morton , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Michal Marek , Linux Kbuild mailing list , LKML , Kees Cook , Tony Luck , Dmitry Vyukov , Michael Ellerman , Joe Perches , Joel Fernandes , Daniel Axtens , Andy Shevchenko , Alexandru Ardelean , Yury Norov , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , Ard Biesheuvel , "Paul E . McKenney" , Daniel Kiper , Bruce Ashfield , Marco Elver , Vamshi K Sthambamkadi Subject: Re: [PATCH 0/4] -ffreestanding/-fno-builtin-* patches Message-ID: <20200821200347.GX3982@worktop.programming.kicks-ass.net> References: <20200818202407.GA3143683@rani.riverdale.lan> <20200818214146.GA3196105@rani.riverdale.lan> <20200820175617.GA604994@rani.riverdale.lan> <20200821172935.GA1411923@rani.riverdale.lan> <20200821195712.GB1475504@rani.riverdale.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200821195712.GB1475504@rani.riverdale.lan> 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 Fri, Aug 21, 2020 at 03:57:12PM -0400, Arvind Sankar wrote: > closely: check out what gcc does to initialize a 7-character array with > zeros at -Os. You do know that 's' stands for 'stupid', right? -Os is infamous for generating atrocious crap.