Hi- I pulled the top of Linus's repo this morning. Reporting this in case you are not already aware, and to ask: Is there a new minimum gcc version requirement for building the v5.8 kernel? v5.7 builds fine. If you need me to, I can bisect. [cel@manet linux]$ rebuild Building with 13 threads In file included from /home/cel/src/linux/linux/drivers/firmware/efi/libstub/efi-stub-helper.c:19:0: /home/cel/src/linux/linux/drivers/firmware/efi/libstub/efi-stub-helper.c: In function ‘efi_char16_puts’: /home/cel/src/linux/linux/drivers/firmware/efi/libstub/efistub.h:52:51: sorry, unimplemented: ms_abi attribute requires -maccumulate-outgoing-args or subtarget optimization implying it #define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__) ^ /home/cel/src/linux/linux/drivers/firmware/efi/libstub/efi-stub-helper.c:37:2: note: in expansion of macro ‘efi_call_proto’ efi_call_proto(efi_table_attr(efi_system_table, con_out), ^ /home/cel/src/linux/linux/drivers/firmware/efi/libstub/efi-stub-helper.c:37: confused by earlier errors, bailing out Preprocessed source stored into /tmp/ccWY8q9X.out file, please attach this to your bugreport. make[5]: *** [drivers/firmware/efi/libstub/efi-stub-helper.o] Error 1 make[4]: *** [drivers/firmware/efi/libstub] Error 2 make[3]: *** [drivers/firmware/efi] Error 2 make[2]: *** [drivers/firmware] Error 2 make[2]: *** Waiting for unfinished jobs.... make[1]: *** [drivers] Error 2 make[1]: *** Waiting for unfinished jobs.... make: *** [__sub-make] Error 2 3132.08user 498.43system 5:08.21elapsed 1177%CPU (0avgtext+0avgdata 451516maxresident)k 3488inputs+6959272outputs (7major+90023497minor)pagefaults 0swaps [cel@manet linux]$ cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.8 (Maipo) [cel@manet linux]$ gcc --version gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39.0.3) Copyright (C) 2015 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. [cel@manet ~]$ -- Chuck Lever