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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,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 983F6C10DCE for ; Wed, 18 Mar 2020 18:34:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 73A2A20780 for ; Wed, 18 Mar 2020 18:34:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="cyIQZRoc" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726796AbgCRSem (ORCPT ); Wed, 18 Mar 2020 14:34:42 -0400 Received: from us-smtp-delivery-74.mimecast.com ([63.128.21.74]:33661 "EHLO us-smtp-delivery-74.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726647AbgCRSem (ORCPT ); Wed, 18 Mar 2020 14:34:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1584556481; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ErsZoLMrL+thfUVb/I3GceTUQrmbRqvx5UmwuzPOWAQ=; b=cyIQZRocPpgIFPtG4Zd6wAejWd7S/CNv9Xl19BtAD85EiPSpDbE1JTXuirLbmJCdkKELOm EEzuTuNWRMtnJSnTVlYjE0ifeK0ryqJgusD9FGDAGtgzFUd0m9OeBOIA7MuGHUKPjVJJPU z/zeDpS3gStY9diFJvUmtCEGVXJ0NTo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-254-3fDY5p_2MBmsW5IZjKvp7Q-1; Wed, 18 Mar 2020 14:34:33 -0400 X-MC-Unique: 3fDY5p_2MBmsW5IZjKvp7Q-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 8CDBF8010C8; Wed, 18 Mar 2020 18:34:29 +0000 (UTC) Received: from treble (unknown [10.10.110.4]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3E1056EF81; Wed, 18 Mar 2020 18:34:28 +0000 (UTC) Date: Wed, 18 Mar 2020 13:34:25 -0500 From: Josh Poimboeuf To: Peter Zijlstra Cc: tglx@linutronix.de, linux-kernel@vger.kernel.org, x86@kernel.org, mhiramat@kernel.org, mbenes@suse.cz, brgerst@gmail.com Subject: Re: [RFC][PATCH v2 20/19] kbuild/objtool: Add objtool-vmlinux.o pass Message-ID: <20200318183425.54xgldze5tfdnugz@treble> References: <20200317170234.897520633@infradead.org> <20200318131845.GG20730@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20200318131845.GG20730@hirez.programming.kicks-ass.net> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 18, 2020 at 02:18:45PM +0100, Peter Zijlstra wrote: > > This seems to 'work', must be perfect etc.. > > --- > > Subject: kbuild/objtool: Add objtool-vmlinux.o pass > From: Peter Zijlstra > Date: Wed Mar 18 13:33:54 CET 2020 > > Now that objtool is capable of processing vmlinux.o and actually has > something useful to do there, (conditionally) add it to the final link > pass. > > This will increase build time by a few seconds. This looks fine (with the -z fix), but I'm guessing you haven't tried it on an allyesconfig kernel yet? For example I'd expect the crypto code to give trouble. I actually have some code to fix that stashed away somewhere... -- Josh