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 51375C433EF for ; Mon, 20 Sep 2021 01:38:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 25F8260FC0 for ; Mon, 20 Sep 2021 01:38:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233654AbhITBjj (ORCPT ); Sun, 19 Sep 2021 21:39:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230053AbhITBji (ORCPT ); Sun, 19 Sep 2021 21:39:38 -0400 Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C064AC061574; Sun, 19 Sep 2021 18:38:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1632101890; bh=UNBRCHlOkXAb+E+3h5vtkCLRDugYJ+CFGeOcnTjVFiQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=a88zBUt3AaDFFxhHGqZpwpWsIQ3A3vVG6+wUi5/w6DBFiTkqT532KysPUMKk2D8xU 3gQOPKs8HbKkXDF96VcVt0pnyIDFRDqhdCBRJlu8ZWSyDu6PaxNxv4qOrothV4+7gS 4hP2xeVOpyfFh0Cu8UqUEBDMWFCUyyWWeCmryvw6/6Djq7HZ7N+qtHZohXSLV7Qdyp +ORsrIOpMcXV6daM2ecHmiDpv8scLG0vS8uStBNqQowmdpiC9HAZiGRvfTMBzLJvpA a2OAoTPOm6zS9F8+qn/FAz9Vs2xlg2EejMkx+1ZCZuiyMhR7CfUs8HGc6TaSiUbBfb 38KzOqLPZGJsQ== Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4HCRyp2mVFz9sCD; Mon, 20 Sep 2021 11:38:10 +1000 (AEST) Date: Mon, 20 Sep 2021 11:38:09 +1000 From: Stephen Rothwell To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build warning after merge of the tip tree Message-ID: <20210920113809.18b9b70c@canb.auug.org.au> In-Reply-To: <20210917115859.6cfc64a5@canb.auug.org.au> References: <20210917115859.6cfc64a5@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/ce2hzCRMA1Va1v0.wjfFUid"; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org --Sig_/ce2hzCRMA1Va1v0.wjfFUid Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, On Fri, 17 Sep 2021 11:58:59 +1000 Stephen Rothwell = wrote: > > After merging the tip tree, today's linux-next build (x86_64 allmodconfig) > produced this warning: >=20 > vmlinux.o: warning: objtool: mce_setup()+0x22: call to memset() leaves .n= oinstr.text section > vmlinux.o: warning: objtool: do_machine_check()+0x51: call to mce_gather_= info() leaves .noinstr.text section > vmlinux.o: warning: objtool: rcu_dynticks_eqs_enter()+0x0: call to rcu_dy= nticks_task_trace_enter() leaves .noinstr.text section > vmlinux.o: warning: objtool: rcu_dynticks_eqs_exit()+0xe: call to rcu_dyn= ticks_task_trace_exit() leaves .noinstr.text section > vmlinux.o: warning: objtool: rcu_nmi_enter()+0x36: call to __kasan_check_= read() leaves .noinstr.text section Today, we added these: vmlinux.o: warning: objtool: xen_irq_disable()+0xa: call to preempt_count_a= dd() leaves .noinstr.text section vmlinux.o: warning: objtool: xen_irq_enable()+0xb: call to preempt_count_ad= d() leaves .noinstr.text section vmlinux.o: warning: objtool: check_preemption_disabled()+0x81: call to is_p= ercpu_thread() leaves .noinstr.text section and the rcu_nmi_enter one changed to: vmlinux.o: warning: objtool: rcu_nmi_enter()+0x5d: call to __kasan_check_re= ad() leaves .noinstr.text section --=20 Cheers, Stephen Rothwell --Sig_/ce2hzCRMA1Va1v0.wjfFUid Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEyBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmFH5gEACgkQAVBC80lX 0Gx/rAf3WFoYCdBOEecpOUMgqU5f5rCx0jyZwNQKAcN0zkEywxyeNHYz5ldv1sX9 aWxTDP0lQ4WgIH9GEzCAqHWPFbPm9tmgGf0N86xitb6ag0+jVD22AKt+EUatiLTB YHcyaO+80yGD0cL/MuBf/lFc1ESXWXHb4d24G3Z+hHLP0KrfEO+hIhtyzzfTs4vm 2gqIqf5h6HFEWT7lfw3kCH9ZePCBgVUe9MBrXjdObf3NdJPL8J9XK8qbj6ieMkyX RVE3UbZJC9DvT4UkPjGble77ekzJm+ISsNTo3xy0TjjG8mf7/fEAIoZ3XarVxtWv 7Ta/oArMGh8tlEHQoJaLDiifssgf =DFqI -----END PGP SIGNATURE----- --Sig_/ce2hzCRMA1Va1v0.wjfFUid--