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 C856BC433F5 for ; Fri, 17 Dec 2021 03:40:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232531AbhLQDkL (ORCPT ); Thu, 16 Dec 2021 22:40:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230206AbhLQDkK (ORCPT ); Thu, 16 Dec 2021 22:40:10 -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 DAD74C061574; Thu, 16 Dec 2021 19:40:09 -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 4JFZVv1lHgz4xdH; Fri, 17 Dec 2021 14:40:06 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1639712407; bh=GxSSqJOXqS35uH17TBKHWTjytAbihY44ax+Ndfqbw6I=; h=Date:From:To:Cc:Subject:From; b=eYoNkSOcPUY+SBqSLe3h25KtLGtoEo0sHmiPumYIPuvV/u9Hhai0i5rYLCyJXoFfX KQaL8JY6Bf9m2FLmY53388bQjzH9p+hs0F2/GuR38WjWnIXBkx81QoJRXnNOvvWN+m gh6FKb1lEJAQLClMVOpu+SsQo5nxb+lFcq8L2rwiCrE1XA/Gz9H4JGvbDC5GvjFBvQ WHxg4m5INFzv/rdQpdLAjhJOKWZTcAWIrcoIRQdYPAoD9FkNZqjx4ULnItOFMnRV8F pLCbwkZpGm3XT4maahXN+cQ5PHOAcv2ReAOl59ctGKvKN0F0W4ZhZWv1FbKRnyCsaq tNSv1UOx4aaZQ== Date: Fri, 17 Dec 2021 14:40:04 +1100 From: Stephen Rothwell To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra Cc: Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build warnings after merge of the tip tree Message-ID: <20211217144004.0c00fabc@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/b3cpkwV.TnqU4jRVh1q/2Rg"; protocol="application/pgp-signature"; micalg=pgp-sha256 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/b3cpkwV.TnqU4jRVh1q/2Rg Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the tip tree, today's linux-next build (x86_64 allmodconfig) produced these warnings: lib/strnlen_user.o: warning: objtool: strnlen_user()+0xc9: call to do_strnl= en_user() with UACCESS enabled lib/strncpy_from_user.o: warning: objtool: strncpy_from_user()+0x129: call = to do_strncpy_from_user() with UACCESS enabled vmlinux.o: warning: objtool: mce_start()+0x5c: call to __kasan_check_write(= ) leaves .noinstr.text section vmlinux.o: warning: objtool: mce_gather_info()+0x5f: call to v8086_mode.con= stprop.0() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_read_aux()+0x8a: call to mca_msr_reg() lea= ves .noinstr.text section vmlinux.o: warning: objtool: do_machine_check()+0x192: call to mce_no_way_o= ut() leaves .noinstr.text section vmlinux.o: warning: objtool: mce_severity_amd.constprop.0()+0xca: call to m= ce_severity_amd_smca() leaves .noinstr.text section I am not sure which changes caused the above. --=20 Cheers, Stephen Rothwell --Sig_/b3cpkwV.TnqU4jRVh1q/2Rg Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmG8BpQACgkQAVBC80lX 0GwXvAf+Pu1oO34pCUZS6SEXFaYlYap5zQJE7sal/pVTUgfgESBq8s923SnPSftr dOUpj76q8UI2QduSIczMkd6/X2DhWCyYC5wp6HzYcRIw96Kc11515nAO0XQkV0TC SWgQ/f/qSERwfwon0DUurJnr2ACBse1pCILWu9tkJP8DaZPg5CWlGvXpnPvMQ1tQ Xlk7B5FjHioD7k1J16gY86HmXzzlTUq41RGq0q5fSk18ziVrPqC5kamUgdAzp/gE JezjmDpIluJ3uFEiddw82JvMz6hPh85tQB/RuOzHfXFVv9+0rtKPFWSFLObfUmnL 2zzHTnqfHBS8lCFI/5JXFZewtkd2nA== =02Ab -----END PGP SIGNATURE----- --Sig_/b3cpkwV.TnqU4jRVh1q/2Rg--