hello apart from one warning all seems fine here with 5.12.6-rc2 thanks ... from arch/x86/kernel/tboot.c:9: In function ‘memcmp’, inlined from ‘tboot_probe’ at arch/x86/kernel/tboot.c:70:6: ./include/linux/fortify-string.h:19:33: warning: ‘__builtin_memcmp_eq’ specified bound 16 exceeds source size 0 [-Wstringop-overread] 19 | #define __underlying_memcmp __builtin_memcmp | ^ ./include/linux/fortify-string.h:235:16: note: in expansion of macro ‘__underlying_memcmp’ 235 | return __underlying_memcmp(p, q, size); | ^~~~~~~~~~~~~~~~~~~ CC kernel/module.o .. -- regards Ronald