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 E0102C43334 for ; Tue, 12 Jul 2022 02:57:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230233AbiGLC47 (ORCPT ); Mon, 11 Jul 2022 22:56:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229542AbiGLC45 (ORCPT ); Mon, 11 Jul 2022 22:56:57 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 951512AC48 for ; Mon, 11 Jul 2022 19:56:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1657594616; x=1689130616; h=date:from:to:cc:subject:message-id:mime-version; bh=dbyqtmB+g/WyPhKOda+JWmVl6uu1kpQIyC0ZzFSvCkU=; b=Sw3fFj+zt430GJL84C+3wwJ/uZqK+g2hfRkciIfs3obB99/wCV24fmXM 7HXtvUND535XhozPmARYRhgTlc6pzxeqvCWv3z79Mnam5jPC59z/1ylFI l0XJZQyx1+1KVxn1F6HHgZQ7rlNqI3VDHKgB0j8HdOpWLWIBiawszsP4n qQSlhoxtbql41HNHlOISUW3zFgwuHaequNCfHKVi9jSsNlwMHy83HrYlL oWdz6td4d4FI2vamXXTb290vAlu/xdayAF8qvRNyg3e0RFM6EjnHKKx9g PrGrstMwGFWAYs8IK8Bhum+9s6ZbxQVNEXNrFNY9NTP4Vjhamk6fKypvf Q==; X-IronPort-AV: E=McAfee;i="6400,9594,10405"; a="284849398" X-IronPort-AV: E=Sophos;i="5.92,264,1650956400"; d="scan'208";a="284849398" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jul 2022 19:56:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.92,264,1650956400"; d="scan'208";a="545257438" Received: from lkp-server02.sh.intel.com (HELO 8708c84be1ad) ([10.239.97.151]) by orsmga003.jf.intel.com with ESMTP; 11 Jul 2022 19:56:53 -0700 Received: from kbuild by 8708c84be1ad with local (Exim 4.95) (envelope-from ) id 1oB64y-0001aX-TQ; Tue, 12 Jul 2022 02:56:52 +0000 Date: Tue, 12 Jul 2022 10:56:31 +0800 From: kernel test robot To: Nicholas Piggin Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Michael Ellerman Subject: arch/powerpc/kernel/time.c:846:9: sparse: sparse: incorrect type in initializer (different address spaces) Message-ID: <202207121022.rUEEcxGj-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5a29232d870d9e63fe5ff30b081be6ea7cc2465d commit: 4ebbd075bcde7884e078d4360510b989f559bfec KVM: PPC: Book3S HV P9: Use host timer accounting to avoid decrementer read date: 8 months ago config: powerpc-randconfig-s031-20220712 (https://download.01.org/0day-ci/archive/20220712/202207121022.rUEEcxGj-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 11.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4ebbd075bcde7884e078d4360510b989f559bfec git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4ebbd075bcde7884e078d4360510b989f559bfec # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/kernel/ arch/powerpc/platforms/powermac/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) arch/powerpc/kernel/time.c:90:5: sparse: sparse: symbol 'decrementer_max' was not declared. Should it be static? >> arch/powerpc/kernel/time.c:846:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:846:9: sparse: expected void const [noderef] __percpu *__vpp_verify arch/powerpc/kernel/time.c:846:9: sparse: got unsigned long long * >> arch/powerpc/kernel/time.c:846:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:846:9: sparse: expected void const [noderef] __percpu *__vpp_verify arch/powerpc/kernel/time.c:846:9: sparse: got unsigned long long * >> arch/powerpc/kernel/time.c:846:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:846:9: sparse: expected void const [noderef] __percpu *__vpp_verify arch/powerpc/kernel/time.c:846:9: sparse: got unsigned long long * >> arch/powerpc/kernel/time.c:846:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:846:9: sparse: expected void const [noderef] __percpu *__vpp_verify arch/powerpc/kernel/time.c:846:9: sparse: got unsigned long long * >> arch/powerpc/kernel/time.c:846:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:846:9: sparse: expected void const [noderef] __percpu *__vpp_verify arch/powerpc/kernel/time.c:846:9: sparse: got unsigned long long * arch/powerpc/kernel/time.c:557:24: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:557:24: sparse: expected void const [noderef] __percpu *__vpp_verify arch/powerpc/kernel/time.c:557:24: sparse: got unsigned long long * vim +846 arch/powerpc/kernel/time.c 4a4cfe3836916e Tony Breeds 2007-09-22 842 d831d0b83f2058 Tony Breeds 2007-09-21 843 static int decrementer_set_next_event(unsigned long evt, d831d0b83f2058 Tony Breeds 2007-09-21 844 struct clock_event_device *dev) d831d0b83f2058 Tony Breeds 2007-09-21 845 { 6601ec1c2ba929 Christophe Leroy 2020-09-29 @846 __this_cpu_write(decrementers_next_tb, get_tb() + evt); d831d0b83f2058 Tony Breeds 2007-09-21 847 set_dec(evt); 0215f7d8c53fb1 Benjamin Herrenschmidt 2014-01-14 848 0215f7d8c53fb1 Benjamin Herrenschmidt 2014-01-14 849 /* We may have raced with new irq work */ 0215f7d8c53fb1 Benjamin Herrenschmidt 2014-01-14 850 if (test_irq_work_pending()) 0215f7d8c53fb1 Benjamin Herrenschmidt 2014-01-14 851 set_dec(1); 0215f7d8c53fb1 Benjamin Herrenschmidt 2014-01-14 852 d831d0b83f2058 Tony Breeds 2007-09-21 853 return 0; d831d0b83f2058 Tony Breeds 2007-09-21 854 } d831d0b83f2058 Tony Breeds 2007-09-21 855 :::::: The code at line 846 was first introduced by commit :::::: 6601ec1c2ba929430f5585ce7f9d9960b0e0a01d powerpc: Remove get_tb_or_rtc() :::::: TO: Christophe Leroy :::::: CC: Michael Ellerman -- 0-DAY CI Kernel Test Service https://01.org/lkp