From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="ewJAXGH6" Received: from gandalf.ozlabs.org (mail.ozlabs.org [IPv6:2404:9400:2221:ea00::3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7714BCD; Sun, 3 Dec 2023 20:08:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1701662890; bh=Mt4zD1tGaHWza6GlukoEY8R3eTQNovJ0fviSb32nqVE=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=ewJAXGH6U02n2FgyDaFgjxx238vOel2u39LFbW7foifF87ed0nAWrHhBijgyuXKVz F/Wa3GaSdSvu0Wk7zE2Pg7wuScZYpwcp/YN0RFhQznQjeHAaNzPKEkNJd0T8Yxlnzi MQwkogMp10QXfQpcYVWppbC0rrOGIyopo+TIrPsM6xBSqB78uRAzSfa/tjjy9unQ6A iIFyRhnt2fuwuDkqPCs3Zjc5x+nzdmaWJ2PPhL/cH6ZfXzYFREiEYOLPEzid/lf9zU jwE/OABx/ecltWMyRov7FYwsf/6SSkoA0wb5L+bCu1KNMTA1KQDp/j7CWPNEH0SAVq sgk1u0lAl9LUQ== 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 X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 4Sk9BK5V1Tz4xMw; Mon, 4 Dec 2023 15:08:09 +1100 (AEDT) Date: Mon, 4 Dec 2023 15:08:07 +1100 From: Stephen Rothwell To: Uros Bizjak Cc: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra , Ingo Molnar , Linux Kernel Mailing List , Linux Next Mailing List Subject: Re: linux-next: build warnings after merge of the tip tree Message-ID: <20231204150807.600c2f09@canb.auug.org.au> In-Reply-To: References: <20231201112918.294b40b1@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-next@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/Dg2jyPmbbaRHaFvwrb0cc6+"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/Dg2jyPmbbaRHaFvwrb0cc6+ Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Uros, On Fri, 1 Dec 2023 13:09:45 +0100 Uros Bizjak wrote: > > On Fri, Dec 1, 2023 at 1:29=E2=80=AFAM Stephen Rothwell wrote: > > > After merging the tip tree, today's linux-next build (x86_64 allmodconfi= g) > > produced these warnings: > > > > WARNING: modpost: EXPORT symbol "const_pcpu_hot" [vmlinux] version gene= ration failed, symbol will not be versioned. > > Is "const_pcpu_hot" prototyped in ? > > WARNING: modpost: "const_pcpu_hot" [arch/x86/kernel/msr.ko] has no CRC! > > WARNING: modpost: "const_pcpu_hot" [arch/x86/kvm/kvm.ko] has no CRC! =20 >=20 > My build doesn't produce any warnings. A defconfig + enabling kvm.ko as m= odule: >=20 > ... > AR built-in.a > AR vmlinux.a > LD vmlinux.o > OBJCOPY modules.builtin.modinfo > GEN modules.builtin > MODPOST Module.symvers > CC .vmlinux.export.o > CC [M] arch/x86/kvm/kvm.mod.o > CC [M] fs/efivarfs/efivarfs.mod.o > ... >=20 > Does the attached patch help? Or is there anything else I should do to > trigger the above problem? The patch does not help. I am just doing an X86_64 allmodconfig build with CONFIG_WERROR=3Dn. gcc is $ x86_64-linux-gnu-gcc --version x86_64-linux-gnu-gcc (Debian 13.2.0-2) 13.2.0 This is a cross build with a ppc64le host. --=20 Cheers, Stephen Rothwell --Sig_/Dg2jyPmbbaRHaFvwrb0cc6+ Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmVtUKcACgkQAVBC80lX 0GyX5Qf+IJQio0mJpBjKa1FbCKwrDuxIAft+twott7IlJiGqoa7e2KjWcL1FtE1f FBjcAduG4o77sbjveubm/ygUQVYurLOYr5DgGRV76oEaw2BjAFGzyJV2610ukcz6 nW108H/suWcSe9Scc6lG80eI6Rl4f5qXqHzNNYcsK2YXBMXvrVPKWVVwXbHStGe9 tjvPjOnSJ6nv7m8fLuK0AyXwWJ9EgZgYSTcbUyqVvs57VWeQvipPeuUMkYGhauBq aElTkGciwGlqtGYMxMxCl2p3YoSY+E3lDJV+ExSG7jAsV4+maQejikyqCKbHG1qe V8ZPsglm0Yk7E86ich+vIA/6Ra8B2Q== =GxVn -----END PGP SIGNATURE----- --Sig_/Dg2jyPmbbaRHaFvwrb0cc6+--