Messages in this thread |  | | Date | Sat, 12 Mar 2022 21:37:56 +0800 | From | kernel test robot <> | Subject | arch/arm64/kernel/proton-pack.c:783:14: sparse: sparse: symbol 'spectre_bhb_patch_fw_mitigation_enabled' was not declared. Should it be static? |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 68453767131a5deec1e8f9ac92a9042f929e585d commit: ba2689234be92024e5635d30fe744f4853ad97db arm64: entry: Add vectors that have the bhb mitigation sequences date: 3 weeks ago config: arm64-randconfig-s032-20220311 (https://download.01.org/0day-ci/archive/20220312/202203122137.UnefPg5u-lkp@intel.com/config) compiler: aarch64-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=ba2689234be92024e5635d30fe744f4853ad97db git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout ba2689234be92024e5635d30fe744f4853ad97db # 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=arm64 SHELL=/bin/bash arch/arm64/kernel/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) >> arch/arm64/kernel/proton-pack.c:783:14: sparse: sparse: symbol 'spectre_bhb_patch_fw_mitigation_enabled' was not declared. Should it be static?
vim +/spectre_bhb_patch_fw_mitigation_enabled +783 arch/arm64/kernel/proton-pack.c
773 774 static int ssbd_prctl_get(struct task_struct *task) 775 { 776 switch (spectre_v4_state) { 777 case SPECTRE_UNAFFECTED: 778 return PR_SPEC_NOT_AFFECTED; 779 case SPECTRE_MITIGATED: 780 if (spectre_v4_mitigations_on()) 781 return PR_SPEC_NOT_AFFECTED; 782 > 783 if (spectre_v4_mitigations_dynamic()) 784 break; 785 786 /* Mitigations are disabled, so we're vulnerable. */ 787 fallthrough; 788 case SPECTRE_VULNERABLE: 789 fallthrough; 790 default: 791 return PR_SPEC_ENABLE; 792 } 793 794 /* Check the mitigation state for this task */ 795 if (task_spec_ssb_force_disable(task)) 796 return PR_SPEC_PRCTL | PR_SPEC_FORCE_DISABLE; 797 798 if (task_spec_ssb_noexec(task)) 799 return PR_SPEC_PRCTL | PR_SPEC_DISABLE_NOEXEC; 800 801 if (task_spec_ssb_disable(task)) 802 return PR_SPEC_PRCTL | PR_SPEC_DISABLE; 803 804 return PR_SPEC_PRCTL | PR_SPEC_ENABLE; 805 } 806
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