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=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 52CD1C54FCB for ; Mon, 20 Apr 2020 16:14:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22BCA20775 for ; Mon, 20 Apr 2020 16:14:11 +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="O/KLhL+a" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726983AbgDTQOK (ORCPT ); Mon, 20 Apr 2020 12:14:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1725958AbgDTQOK (ORCPT ); Mon, 20 Apr 2020 12:14:10 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 062ECC061A0C; Mon, 20 Apr 2020 09:14:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: Content-Type:In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To: Subject:Sender:Reply-To:Content-ID:Content-Description; bh=xudTG6A7+qcVFoLFZf/JKAo5nIg1+DsDp60lgvIOJr0=; b=O/KLhL+axrhzsZuHOxClDbjVqK ozfgl/qe8lFedt22O8MwyzwyluTuFhQXJupG68Ud3C/MwqLUK5CnCkoofGAar3iN3+4VsBpe+6GaF CHC1U9TXWl9Rovu1NcduCxhIgYqeDZ7AWdY8+y8KuKwwFcMY23st/k3IqgO7XSrQR8uLT/HhOlb5s +e4MqJwhrZv67Dee5d4eFzP05UkSHRC43iMEr+Ykg9h2lPVLd2hUiFjQVIF2X3IX5QgDneL9zIT1E ymGUtLDHJUKV+fcwYk4K8z5H/0OzWC8QBgVhTvDZDLgRRCLC2LjaVfvaH44TlKtxbUl6Mw/7H+kBU UL3guzYg==; Received: from [2601:1c0:6280:3f0::19c2] by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jQZ3g-0006GE-UI; Mon, 20 Apr 2020 16:14:09 +0000 Subject: Re: linux-next: Tree for Apr 20 (objtool warning) To: Josh Poimboeuf Cc: Stephen Rothwell , Linux Next Mailing List , Linux Kernel Mailing List , Peter Zijlstra References: <20200420142610.390e5922@canb.auug.org.au> <30d5a881-95fe-9f98-a899-2c955c5eb2c1@infradead.org> <20200420155330.5uepjeyfsso5l4rm@treble> From: Randy Dunlap Message-ID: <96be5a96-07f6-7343-e159-ffb110646d76@infradead.org> Date: Mon, 20 Apr 2020 09:14:05 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200420155330.5uepjeyfsso5l4rm@treble> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/20/20 8:53 AM, Josh Poimboeuf wrote: > On Mon, Apr 20, 2020 at 08:29:04AM -0700, Randy Dunlap wrote: >> On 4/19/20 9:26 PM, Stephen Rothwell wrote: >>> Hi all, >>> >>> Changes since 20200417: >>> >> >> on x86_64: >> >> arch/x86/kvm/svm/vmenter.o: warning: objtool: __svm_vcpu_run()+0xe4: BP used as a scratch register >> >> Full randconfig file is included. > > Yeah, frame pointers are toast in that function. We'll need something > like: That works for me. Thanks. Acked-by: Randy Dunlap > diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile > index a789759b7261..221e2bd7e76d 100644 > --- a/arch/x86/kvm/Makefile > +++ b/arch/x86/kvm/Makefile > @@ -3,6 +3,10 @@ > ccflags-y += -Iarch/x86/kvm > ccflags-$(CONFIG_KVM_WERROR) += -Werror > > +ifeq ($(CONFIG_UNWINDER_FRAME_POINTER),y) > +OBJECT_FILES_NON_STANDARD_vmenter.o := y > +endif > + > KVM := ../../../virt/kvm > > kvm-y += $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o \ > > -- ~Randy