From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============1700865772083459144==" MIME-Version: 1.0 From: kernel test robot To: kbuild-all@lists.01.org Subject: arch/powerpc/kernel/time.c:846:9: sparse: sparse: incorrect type in initializer (different address spaces) Date: Tue, 25 Jan 2022 18:02:08 +0800 Message-ID: <202201251708.BOnUdbSj-lkp@intel.com> List-Id: --===============1700865772083459144== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git = master head: dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0 commit: 4ebbd075bcde7884e078d4360510b989f559bfec KVM: PPC: Book3S HV P9: Us= e host timer accounting to avoid decrementer read date: 9 weeks ago config: powerpc64-randconfig-s031-20220125 (https://download.01.org/0day-ci= /archive/20220125/202201251708.BOnUdbSj-lkp(a)intel.com/config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 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-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.gi= t/commit/?id=3D4ebbd075bcde7884e078d4360510b989f559bfec git remote add linus https://git.kernel.org/pub/scm/linux/kernel/gi= t/torvalds/linux.git git fetch --no-tags linus master git checkout 4ebbd075bcde7884e078d4360510b989f559bfec # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=3D$HOME/0day COMPILER=3Dgcc-11.2.0 make.cross= C=3D1 CF=3D'-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=3Dbuild_dir ARCH=3Dp= owerpc SHELL=3D/bin/bash If you fix the issue, kindly add following tag as appropriate 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 init= ializer (different address spaces) @@ expected void const [noderef] __p= ercpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:846:9: sparse: expected void const [noder= ef] __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 init= ializer (different address spaces) @@ expected void const [noderef] __p= ercpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:846:9: sparse: expected void const [noder= ef] __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 init= ializer (different address spaces) @@ expected void const [noderef] __p= ercpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:846:9: sparse: expected void const [noder= ef] __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 init= ializer (different address spaces) @@ expected void const [noderef] __p= ercpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:846:9: sparse: expected void const [noder= ef] __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 init= ializer (different address spaces) @@ expected void const [noderef] __p= ercpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:846:9: sparse: expected void const [noder= ef] __percpu *__vpp_verify arch/powerpc/kernel/time.c:846:9: sparse: got unsigned long long * arch/powerpc/kernel/time.c:626:24: sparse: sparse: incorrect type in ini= tializer (different address spaces) @@ expected void const [noderef] __= percpu *__vpp_verify @@ got unsigned long long * @@ arch/powerpc/kernel/time.c:626:24: sparse: expected void const [node= ref] __percpu *__vpp_verify arch/powerpc/kernel/time.c:626:24: sparse: got unsigned long long * arch/powerpc/kernel/time.c:557:24: sparse: sparse: incorrect type in ini= tializer (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 [node= ref] __percpu *__vpp_verify arch/powerpc/kernel/time.c:557:24: sparse: got unsigned long long * vim +846 arch/powerpc/kernel/time.c 4a4cfe3836916e1 Tony Breeds 2007-09-22 842 = d831d0b83f20588 Tony Breeds 2007-09-21 843 static int decremen= ter_set_next_event(unsigned long evt, d831d0b83f20588 Tony Breeds 2007-09-21 844 struct cl= ock_event_device *dev) d831d0b83f20588 Tony Breeds 2007-09-21 845 { 6601ec1c2ba9294 Christophe Leroy 2020-09-29 @846 __this_cpu_write(d= ecrementers_next_tb, get_tb() + evt); d831d0b83f20588 Tony Breeds 2007-09-21 847 set_dec(evt); 0215f7d8c53fb19 Benjamin Herrenschmidt 2014-01-14 848 = 0215f7d8c53fb19 Benjamin Herrenschmidt 2014-01-14 849 /* We may have rac= ed with new irq work */ 0215f7d8c53fb19 Benjamin Herrenschmidt 2014-01-14 850 if (test_irq_work_= pending()) 0215f7d8c53fb19 Benjamin Herrenschmidt 2014-01-14 851 set_dec(1); 0215f7d8c53fb19 Benjamin Herrenschmidt 2014-01-14 852 = d831d0b83f20588 Tony Breeds 2007-09-21 853 return 0; d831d0b83f20588 Tony Breeds 2007-09-21 854 } d831d0b83f20588 Tony Breeds 2007-09-21 855 = :::::: The code at line 846 was first introduced by commit :::::: 6601ec1c2ba929430f5585ce7f9d9960b0e0a01d powerpc: Remove get_tb_or_r= tc() :::::: TO: Christophe Leroy :::::: CC: Michael Ellerman --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org --===============1700865772083459144==-- 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 4490EC4167E for ; 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d="scan'208";a="243867803" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2022 02:02:43 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,314,1635231600"; d="scan'208";a="494945228" Received: from lkp-server01.sh.intel.com (HELO 276f1b88eecb) ([10.239.97.150]) by orsmga002.jf.intel.com with ESMTP; 25 Jan 2022 02:02:36 -0800 Received: from kbuild by 276f1b88eecb with local (Exim 4.92) (envelope-from ) id 1nCIep-000Jhq-BU; Tue, 25 Jan 2022 10:02:35 +0000 Date: Tue, 25 Jan 2022 18:02:08 +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: <202201251708.BOnUdbSj-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) 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: dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0 commit: 4ebbd075bcde7884e078d4360510b989f559bfec KVM: PPC: Book3S HV P9: Use host timer accounting to avoid decrementer read date: 9 weeks ago config: powerpc64-randconfig-s031-20220125 (https://download.01.org/0day-ci/archive/20220125/202201251708.BOnUdbSj-lkp@intel.com/config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 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-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 to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=powerpc SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate 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:626:24: 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:626:24: sparse: expected void const [noderef] __percpu *__vpp_verify arch/powerpc/kernel/time.c:626:24: 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 4a4cfe3836916e1 Tony Breeds 2007-09-22 842 d831d0b83f20588 Tony Breeds 2007-09-21 843 static int decrementer_set_next_event(unsigned long evt, d831d0b83f20588 Tony Breeds 2007-09-21 844 struct clock_event_device *dev) d831d0b83f20588 Tony Breeds 2007-09-21 845 { 6601ec1c2ba9294 Christophe Leroy 2020-09-29 @846 __this_cpu_write(decrementers_next_tb, get_tb() + evt); d831d0b83f20588 Tony Breeds 2007-09-21 847 set_dec(evt); 0215f7d8c53fb19 Benjamin Herrenschmidt 2014-01-14 848 0215f7d8c53fb19 Benjamin Herrenschmidt 2014-01-14 849 /* We may have raced with new irq work */ 0215f7d8c53fb19 Benjamin Herrenschmidt 2014-01-14 850 if (test_irq_work_pending()) 0215f7d8c53fb19 Benjamin Herrenschmidt 2014-01-14 851 set_dec(1); 0215f7d8c53fb19 Benjamin Herrenschmidt 2014-01-14 852 d831d0b83f20588 Tony Breeds 2007-09-21 853 return 0; d831d0b83f20588 Tony Breeds 2007-09-21 854 } d831d0b83f20588 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, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org