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 69595C433DF for ; Thu, 28 May 2020 15:44:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 426662073B for ; Thu, 28 May 2020 15:44:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="FMtr+unp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404532AbgE1Po1 (ORCPT ); Thu, 28 May 2020 11:44:27 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:52344 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2404518AbgE1PoZ (ORCPT ); Thu, 28 May 2020 11:44:25 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1590680664; 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=w7CshrItXz8vvevX1N6Q7Vo4dM7itnMloFYSakyyKRo=; b=FMtr+unpTfoMljhggRxHLn7aDoCqZ0AdhyMIo8ArnKqCZRPlHpviXnQq/Q7jFRiXefK38P y7zu/+NFQyRB0DmBoJwmWGqCb43oynxJbaTFZisQ7KxyxEz3jvclC8XNkX7ZRHxbkZf5pX kanI+6DTKBhSVUpOG2vufE1cs2mfOyc= 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-133-r6aIwrs2O8OkeoNKBHkEfg-1; Thu, 28 May 2020 11:44:20 -0400 X-MC-Unique: r6aIwrs2O8OkeoNKBHkEfg-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3E13F1855A26; Thu, 28 May 2020 15:44:07 +0000 (UTC) Received: from treble (ovpn-117-65.rdu2.redhat.com [10.10.117.65]) by smtp.corp.redhat.com (Postfix) with ESMTPS id F0BFA5C1B0; Thu, 28 May 2020 15:44:05 +0000 (UTC) Date: Thu, 28 May 2020 10:44:04 -0500 From: Josh Poimboeuf To: Randy Dunlap Cc: Stephen Rothwell , Linux Next Mailing List , Linux Kernel Mailing List , Peter Zijlstra , Kees Cook Subject: Re: linux-next: Tree for May 14 (objtool 2/2) Message-ID: <20200528154404.74sjv4bdj3myacn6@treble> References: <20200514210716.30b416ee@canb.auug.org.au> <742521db-1e8c-0d7a-1ed4-a908894fb497@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <742521db-1e8c-0d7a-1ed4-a908894fb497@infradead.org> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 14, 2020 at 09:04:36AM -0700, Randy Dunlap wrote: > On 5/14/20 4:07 AM, Stephen Rothwell wrote: > > Hi all, > > > > Changes since 20200512: > > > > on x86_64: > > drivers/ide/ide-tape.o: warning: objtool: ide_tape_discard_merge_buffer.constprop.7()+0x4e: unreachable instruction > drivers/scsi/sd.o: warning: objtool: sd_pr_clear()+0x1e: unreachable instruction > drivers/scsi/sd_zbc.o: warning: objtool: sd_zbc_update_wp_offset_workfn()+0xec: unreachable instruction > drivers/target/target_core_xcopy.o: warning: objtool: target_xcopy_do_work()+0xdd6: unreachable instruction > > > randconfig file is attached. Kees, More UBSAN_TRAP fun. This randconfig has: CONFIG_UBSAN_TRAP=y CONFIG_UBSAN_ALIGNMENT=y # CONFIG_COMPILE_TEST is not set -- Josh