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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 57922C433F5 for ; Tue, 23 Nov 2021 05:21:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231386AbhKWFYv (ORCPT ); Tue, 23 Nov 2021 00:24:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50232 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229690AbhKWFYu (ORCPT ); Tue, 23 Nov 2021 00:24:50 -0500 Received: from gandalf.ozlabs.org (gandalf.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee2:21ea]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8EBEC061574; Mon, 22 Nov 2021 21:21:42 -0800 (PST) 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 4Hysv65xtWz4xbC; Tue, 23 Nov 2021 16:21:38 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1637644900; bh=3SUPm4Wktpjpj3Cyphqo++ZVF3wwgmM/YcqCM96N0Ww=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=CVZwvspyTUteNlmX2SxPtSnxFjUNEA1D/eUF+7SKwv94OjQ/RPcJumxu0VKJXIX4v XWZdI58YGaGE9bKaVEqLKru9qSbAy5Ox/h0LZGYQoYayblwRKcM5kkOjybznmxGvW4 g/8SMZcAmp0Azwv/DpV8sepMJIx5kihfhSsO4cWgzv07pFzz/qcl6YskVEITbGZNuM 9WI1g1/1u2P/6XpB2/e2OCi0LfRPCFfd5zWgn60lwCUqdSfkljfrko87FmzbDMNfgE VQubkg0X4/msC6fx30KD7rqUcLdFjvattSRbgbKqMqcY4vDDr0LlBkqPWdbw/n7e/B K8L/8afU3iVrw== Date: Tue, 23 Nov 2021 16:21:37 +1100 From: Stephen Rothwell To: Peter Zijlstra Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build warning after merge of the tip tree Message-ID: <20211123162137.3a8b729f@canb.auug.org.au> In-Reply-To: References: <20210917115859.6cfc64a5@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/9HaD_NijYfn2lFBOZQv3Ynz"; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/9HaD_NijYfn2lFBOZQv3Ynz Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, On Fri, 17 Sep 2021 10:23:48 +0200 Peter Zijlstra wr= ote: > > On Fri, Sep 17, 2021 at 11:58:59AM +1000, Stephen Rothwell wrote: > >=20 > > After merging the tip tree, today's linux-next build (x86_64 allmodconf= ig) > > produced this warning: > >=20 > > vmlinux.o: warning: objtool: mce_setup()+0x22: call to memset() leaves = .noinstr.text section > > vmlinux.o: warning: objtool: do_machine_check()+0x51: call to mce_gathe= r_info() leaves .noinstr.text section =20 >=20 > Those are pre-existing and Boris is lokoing into them I am still seeing the above 2 warnings and also now: vmlinux.o: warning: objtool: xen_get_debugreg()+0xb: call to HYPERVISOR_get= _debugreg() leaves .noinstr.text section vmlinux.o: warning: objtool: xen_set_debugreg()+0x15: call to HYPERVISOR_se= t_debugreg.isra.0() leaves .noinstr.text section Presumably caused by f4afb713e5c3 ("x86/xen: Make get_debugreg() noinstr") 7361fac0465b ("x86/xen: Make set_debugreg() noinstr") --=20 Cheers, Stephen Rothwell --Sig_/9HaD_NijYfn2lFBOZQv3Ynz Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmGcemEACgkQAVBC80lX 0GwfvQf/WRtEEXCaiT0WTMImL9cv0udYLC8yYHmvt86DXWCoGSddMwQGFHMxeE+F E3nKpvVPMm+aFDti3kkFDCmNm4QH65UNjks5z4ros33M5pSb94M7ifp54LXDld7b w+0T7ZHOb9xjOrLV6TcyEbM5CrHzvoptTnwdCmhWzoUEcs6B5F7cuKIzMssFUFEo jzspMsv/PhReLYZDkzLEj7/yjkayt+vUPzVy/4mkQ7MsyDhE5zvFgewfLiov47lq UOLiiuXlt1Q+QTTmIjTYGBCAFgXm/UJmIFEs7serTiKVqxFgWwSsG/7uPDvzM/FF 5SX1DqgI6FdwmZmSvQTQseGJNmcwxQ== =vO3/ -----END PGP SIGNATURE----- --Sig_/9HaD_NijYfn2lFBOZQv3Ynz--