Hi Vishal, kernel test robot noticed the following build errors: [auto build test ERROR on tip/x86/core] [also build test ERROR on tip/master linus/master v6.14-rc4 next-20250227] [cannot apply to tip/x86/tdx tip/auto-latest] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Vishal-Annapurve/x86-paravirt-Move-halt-paravirt-calls-under-CONFIG_PARAVIRT/20250225-085043 base: tip/x86/core patch link: https://lore.kernel.org/r/20250225004704.603652-3-vannapurve%40google.com patch subject: [PATCH v6 2/3] x86/tdx: Fix arch_safe_halt() execution for TDX VMs config: i386-buildonly-randconfig-003-20250227 (https://download.01.org/0day-ci/archive/20250227/202502272346.iiQ6Dptt-lkp@xxxxxxxxx/config) compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250227/202502272346.iiQ6Dptt-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202502272346.iiQ6Dptt-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from arch/x86/kernel/process.c:6: In file included from include/linux/mm.h:2224: include/linux/vmstat.h:504:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 504 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 505 | item]; | ~~~~ include/linux/vmstat.h:511:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion] 511 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~ ^ 512 | NR_VM_NUMA_EVENT_ITEMS + | ~~~~~~~~~~~~~~~~~~~~~~ >> arch/x86/kernel/process.c:937:32: error: use of undeclared identifier 'tdx_halt'; did you mean 'tdx_init'? 937 | static_call_update(x86_idle, tdx_halt); | ^~~~~~~~ | tdx_init include/linux/static_call.h:154:42: note: expanded from macro 'static_call_update' 154 | typeof(&STATIC_CALL_TRAMP(name)) __F = (func); \ | ^ arch/x86/include/asm/tdx.h:123:20: note: 'tdx_init' declared here 123 | static inline void tdx_init(void) { } | ^ 2 warnings and 1 error generated. vim +937 arch/x86/kernel/process.c 919 920 void __init select_idle_routine(void) 921 { 922 if (boot_option_idle_override == IDLE_POLL) { 923 if (IS_ENABLED(CONFIG_SMP) && __max_threads_per_core > 1) 924 pr_warn_once("WARNING: polling idle and HT enabled, performance may degrade\n"); 925 return; 926 } 927 928 /* Required to guard against xen_set_default_idle() */ 929 if (x86_idle_set()) 930 return; 931 932 if (prefer_mwait_c1_over_halt()) { 933 pr_info("using mwait in idle threads\n"); 934 static_call_update(x86_idle, mwait_idle); 935 } else if (cpu_feature_enabled(X86_FEATURE_TDX_GUEST)) { 936 pr_info("using TDX aware idle routine\n"); > 937 static_call_update(x86_idle, tdx_halt); 938 } else { 939 static_call_update(x86_idle, default_idle); 940 } 941 } 942 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
