From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.ozlabs.org (gandalf.ozlabs.org [150.107.74.76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF2348BE7; Wed, 11 Sep 2024 05:38:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=150.107.74.76 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726033141; cv=none; b=DtkVT9Hji+giEw4B5D2+p4SoTNKScede/+6Q2GIqdHTQTDgvyxGzHAVjHd2lFrcwYP4scCGnqQu0Jjd3/N5wPu62cjHdZT4VHszmV+vSM8O92ZL/tNdTI8jDKaW+NQipdpAgDxfXEH+DL8mwAiGl8PgCHpLS8f68J+dz2pYKIR4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726033141; c=relaxed/simple; bh=oWy7dnTErHdkjCMpolVdjKZtASVcmj3V/nUMUK4gC54=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=uB7C9qQ+PeZO5A5FT9Yjriv8gKozB+R1TIfhTuj15DZ5DBmQhOcHqSwokVrB8rgLI6nRNgiov4l5hwjGe1KxEV7/t6KFOBypBaEW7JrX8zXKtzEXKEHDm3d5xf0wovUPupiBKHfVwIbF2NiunN6IZg/3Fzz5/Se+FYjL0xpzxBI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au; spf=pass smtp.mailfrom=canb.auug.org.au; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b=I3IPjg24; arc=none smtp.client-ip=150.107.74.76 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canb.auug.org.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canb.auug.org.au 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="I3IPjg24" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canb.auug.org.au; s=201702; t=1726033135; bh=bNKFBYRKthMcE1KMHYOCGYnighp0cSpmM3og7t3pQm8=; h=Date:From:To:Cc:Subject:From; b=I3IPjg24ijXyt7LkmdspQEvBLXflFmYDJhM78/yGEThfXS7PIlJrrFTD834tNjjrt h3BxQYzrjGLirDmpqIienSFZB83C+r1rExa+EMeCkmgPuDxRH7uOnzReCk5JCPm76Z gzYvAatGIVPgk6Lpn9/lHXxNmbra0taAjQnKud0IGVnDbPlUB6IRyc5+9Kc6vrkKuq SIz7buUL+yviTOVEO7kpWm1lTKppLULHLafFWscuFdW5ZbQvC+iHcgVEZY5TxGnJfk /UL8dZJZ75RFvqSVPqcHSYKpXWcTDJlEwuufFXMWF62xk4lNzrTiIzWyjGOQvwRluD CT2LDeCpjGjZg== 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) (Client did not present a certificate) by mail.ozlabs.org (Postfix) with ESMTPSA id 4X3Trv1Z19z4wc2; Wed, 11 Sep 2024 15:38:55 +1000 (AEST) Date: Wed, 11 Sep 2024 15:38:54 +1000 From: Stephen Rothwell To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra Cc: Kan Liang , Linux Kernel Mailing List , Linux Next Mailing List Subject: linux-next: build warning after merge of the tip tree Message-ID: <20240911153854.240bbc1f@canb.auug.org.au> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/ZM1smGWOcG5lVQI9UGZ17_z"; protocol="application/pgp-signature"; micalg=pgp-sha256 --Sig_/ZM1smGWOcG5lVQI9UGZ17_z Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the tip tree, today's linux-next build (arm multi_v7_defconfig) produced this warning: kernel/events/core.c: In function 'perf_event_setup_cpumask': kernel/events/core.c:14012:13: warning: the comparison will always evaluate= as 'true' for the address of 'thread_sibling' will never be NULL [-Waddres= s] 14012 | if (!topology_sibling_cpumask(cpu)) { | ^ In file included from include/linux/topology.h:30, from include/linux/gfp.h:8, from include/linux/xarray.h:16, from include/linux/list_lru.h:14, from include/linux/fs.h:13, from kernel/events/core.c:11: include/linux/arch_topology.h:78:19: note: 'thread_sibling' declared here 78 | cpumask_t thread_sibling; | ^~~~~~~~~~~~~~ Introduced by commit 4ba4f1afb6a9 ("perf: Generic hotplug support for a PMU with a scope") --=20 Cheers, Stephen Rothwell --Sig_/ZM1smGWOcG5lVQI9UGZ17_z Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAmbhLO4ACgkQAVBC80lX 0GxxPwgAmxgZb+NTT6il2xK+O5Rriyz4/j/yeVJmDoeJ9knWtGXhjkRl1v6Cr5oh niLgFiezbdpXtK6R972nSqg7N8c8LUgbyGQC47k1of6XTE0fCFf2Tm/JNvfYdd9K jKAIA990O6LMfNKY97T11gJe83Ni39/cRPS7OtZIztXI2/ueCOsoMpnrDcrjIN8Q RjMiZ2DjC0HYrkuVBxhXdEKdhM0CMMkT6ZkIrUBndJBh9rgJo3LDcFUqgr7xDoC1 fLxRtdI/k8XNDMnV5SgwiZ/8ANwjhL3m7LBgahEEcFlOLbXNh+SabVj+nge/gwMD dMGuuCHSI3Eh3yrDE8RWPbcMNfR7Ug== =6iL4 -----END PGP SIGNATURE----- --Sig_/ZM1smGWOcG5lVQI9UGZ17_z--