Hi Juergen, kernel test robot noticed the following build errors:
[auto build test ERROR on linus/master] [also build test ERROR on next-20260217] [cannot apply to tip/x86/core kvm/queue kvm/next kvm/linux-next tip/x86/tdx v6.19] [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/Juergen-Gross/x86-alternative-Support-alt_replace_call-with-instructions-after-call/20260218-163031 base: linus/master patch link: https://lore.kernel.org/r/20260218082133.400602-17-jgross%40suse.com patch subject: [PATCH v3 16/16] x86/paravirt: Use alternatives for MSR access with paravirt config: x86_64-randconfig-001-20260218 (https://download.01.org/0day-ci/archive/20260218/[email protected]/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260218/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): In file included from arch/x86/kernel/asm-offsets.c:9: In file included from include/linux/crypto.h:18: In file included from include/linux/slab.h:17: In file included from include/linux/gfp.h:7: In file included from include/linux/mmzone.h:22: In file included from include/linux/mm_types.h:16: In file included from include/linux/uprobes.h:18: In file included from include/linux/timer.h:6: In file included from include/linux/ktime.h:25: In file included from include/linux/jiffies.h:10: In file included from include/linux/time.h:60: In file included from include/linux/time32.h:13: In file included from include/linux/timex.h:67: In file included from arch/x86/include/asm/timex.h:6: In file included from arch/x86/include/asm/tsc.h:11: In file included from arch/x86/include/asm/msr.h:300: >> arch/x86/include/asm/paravirt-msr.h:114:23: error: unsupported inline asm: >> input with type 'u64' (aka 'unsigned long long') matching output with type >> 'int' 114 | PV_WRMSR_CONST(msr, val, EX_TYPE_WRMSR, write_msr, err); | ^~~ ~~~ arch/x86/include/asm/paravirt-msr.h:91:16: note: expanded from macro 'PV_WRMSR_CONST' 89 | : [err] "=a" (__err), "=d" (rdx), ASM_CALL_CONSTRAINT \ | ~~~~~ 90 | : paravirt_ptr(pv_ops_msr, __func), \ 91 | [val] "0" (__val), "1" ((__val) >> 32), \ | ^~~~~ arch/x86/include/asm/paravirt-msr.h:116:21: error: unsupported inline asm: input with type 'u64' (aka 'unsigned long long') matching output with type 'int' 116 | PV_WRMSR_VAR(msr, val, EX_TYPE_WRMSR, write_msr, err); | ^~~ ~~~ arch/x86/include/asm/paravirt-msr.h:73:10: note: expanded from macro 'PV_WRMSR_VAR' 71 | : [err] "=a" (__err), "=d" (rdx), ASM_CALL_CONSTRAINT \ | ~~~~~ 72 | : paravirt_ptr(pv_ops_msr, __func), \ 73 | "0" (__val), "1" ((__val) >> 32), "c" (__msr) \ | ^~~~~ arch/x86/include/asm/paravirt-msr.h:136:23: error: unsupported inline asm: input with type 'u64' (aka 'unsigned long long') matching output with type 'int' 136 | PV_WRMSR_CONST(msr, val, EX_TYPE_WRMSR_SAFE, write_msr_safe, err); | ^~~ ~~~ arch/x86/include/asm/paravirt-msr.h:91:16: note: expanded from macro 'PV_WRMSR_CONST' 89 | : [err] "=a" (__err), "=d" (rdx), ASM_CALL_CONSTRAINT \ | ~~~~~ 90 | : paravirt_ptr(pv_ops_msr, __func), \ 91 | [val] "0" (__val), "1" ((__val) >> 32), \ | ^~~~~ arch/x86/include/asm/paravirt-msr.h:138:21: error: unsupported inline asm: input with type 'u64' (aka 'unsigned long long') matching output with type 'int' 138 | PV_WRMSR_VAR(msr, val, EX_TYPE_WRMSR_SAFE, write_msr_safe, err); | ^~~ ~~~ arch/x86/include/asm/paravirt-msr.h:73:10: note: expanded from macro 'PV_WRMSR_VAR' 71 | : [err] "=a" (__err), "=d" (rdx), ASM_CALL_CONSTRAINT \ | ~~~~~ 72 | : paravirt_ptr(pv_ops_msr, __func), \ 73 | "0" (__val), "1" ((__val) >> 32), "c" (__msr) \ | ^~~~~ In file included from arch/x86/kernel/asm-offsets.c:10: In file included from include/crypto/aria.h:22: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/x86/include/asm/elf.h:10: In file included from arch/x86/include/asm/ia32.h:7: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:11: warning: array index 3 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/x86/kernel/asm-offsets.c:10: In file included from include/crypto/aria.h:22: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/x86/include/asm/elf.h:10: In file included from arch/x86/include/asm/ia32.h:7: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:98:25: warning: array index 2 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 98 | return (set->sig[3] | set->sig[2] | | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/x86/kernel/asm-offsets.c:10: In file included from include/crypto/aria.h:22: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/x86/include/asm/elf.h:10: In file included from arch/x86/include/asm/ia32.h:7: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:5: In file included from include/linux/fs/super.h:5: In file included from include/linux/fs/super_types.h:13: In file included from include/linux/percpu-rwsem.h:7: In file included from include/linux/rcuwait.h:6: In file included from include/linux/sched/signal.h:6: include/linux/signal.h:99:4: warning: array index 1 is past the end of the array (that has type 'unsigned long[1]') [-Warray-bounds] 99 | set->sig[1] | set->sig[0]) == 0; | ^ ~ arch/x86/include/asm/signal.h:24:2: note: array 'sig' declared here 24 | unsigned long sig[_NSIG_WORDS]; | ^ In file included from arch/x86/kernel/asm-offsets.c:10: In file included from include/crypto/aria.h:22: In file included from include/linux/module.h:20: In file included from include/linux/elf.h:6: In file included from arch/x86/include/asm/elf.h:10: In file included from arch/x86/include/asm/ia32.h:7: In file included from include/linux/compat.h:17: In file included from include/linux/fs.h:5: vim +114 arch/x86/include/asm/paravirt-msr.h 108 109 static __always_inline void write_msr(u32 msr, u64 val) 110 { 111 int err; 112 113 if (__builtin_constant_p(msr)) > 114 PV_WRMSR_CONST(msr, val, EX_TYPE_WRMSR, write_msr, err); 115 else 116 PV_WRMSR_VAR(msr, val, EX_TYPE_WRMSR, write_msr, err); 117 } 118 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
