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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 D11CFC47082 for ; Tue, 8 Jun 2021 09:56:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B339A60FDA for ; Tue, 8 Jun 2021 09:56:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231173AbhFHJ6a (ORCPT ); Tue, 8 Jun 2021 05:58:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230119AbhFHJ63 (ORCPT ); Tue, 8 Jun 2021 05:58:29 -0400 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1AA1BC061574 for ; Tue, 8 Jun 2021 02:56:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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=Gk1XdireRy/T2iUr4Y00HpsLt0ofHn0B8vK6rBOdSJk=; b=c7aAQ6OdLjEM3WHatc/nq4T28C zfoHT0bAnBeV+Xd/Fdke+8BM0OxtWins+LFpiycZyK9VMoxGYcKntNZGBukZL+pmjCBf4qEUbTyQV O/RYRqdK3O3CubvD9aQTbHdtS0MUOzCxAq2IjCMA7M31JlIrCmR/cpSJcnDXDLttApxa0NsLxteHP cv/joKK1rMNV5kx9cL/xjrRpsbjs3QMR+0AmrPDWaC+531EKv3b4od1AvCUiYIYkiJO0QmeU7dIvE 9u997dKDugHKk7LmqXQKrGvf/JqO3b0411wKG+BvGEmjcaxORsCB/ipTpCbhE/EcfWQcSJffg85IY 80MzdOCw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1lqYT9-004iSP-MC; Tue, 08 Jun 2021 09:56:30 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 427983001E3; Tue, 8 Jun 2021 11:56:29 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 2A21B2BF0CB75; Tue, 8 Jun 2021 11:56:29 +0200 (CEST) Date: Tue, 8 Jun 2021 11:56:29 +0200 From: Peter Zijlstra To: Nick Desaulniers Cc: Nathan Chancellor , =?utf-8?B?RsSBbmctcnXDrCBTw7JuZw==?= , Josh Poimboeuf , lma@semihalf.com, Guenter Roeck , Juergen Gross , lb@semihalf.com, LKML , mbenes@suse.com, =?utf-8?B?UmFkb3PFgmF3?= Biernacki , upstream@semihalf.com, "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , clang-built-linux , Sami Tolvanen Subject: Re: [PATCH v3 16/16] objtool,x86: Rewrite retpoline thunk calls Message-ID: References: <20210604205018.2238778-1-ndesaulniers@google.com> <20210604235046.w3hazgcpsg4oefex@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 07, 2021 at 01:54:37PM -0700, Nick Desaulniers wrote: > The only thing that's still different is that the `file` command still > prints "no section header." > > $ find . -name \*.lto.o | xargs file | rev | cut -d , -f 1 | rev | > sort | uniq -c > 1 no section header That's not due to objtool, is it? $ file amdgpu.lto.o.orig amdgpu.lto.o.orig: ELF 64-bit LSB relocatable, x86-64, version 1 (SYSV), no section header