field '' with variable sized type 'union jset::(anonymous at ./usr/include/linux/bcache.h:354:2)' not at the end of a struct or class is a GNU extension [-Wgnu-variable-sized-type-not-at-end]

field '' with variable sized type 'union jset::(anonymous at ./usr/include/linux/bcache.h:355:2)' not at the end of a struct or class is a GNU extension [-Wgnu-variable-sized-type-not-at-end]

arch/x86/kernel/head64.o: warning: objtool: __startup_64() falls through to next function startup_64_setup_env()

arch/x86/kvm/x86.o: warning: objtool: emulator_cmpxchg_emulated()+0x73c: call to __ubsan_handle_load_invalid_value() with UACCESS enabled

fs/reiserfs/lbalance.o: warning: objtool: leaf_copy_items_entirely()+0x734: stack state mismatch: cfa1=4+200 cfa2=4+192

drivers/scsi/mpi3mr/mpi3mr_fw.o: warning: objtool: mpi3mr_op_request_post() falls through to next function mpi3mr_process_op_reply_q()

vmlinux.o(.text+0x154c4e): Section mismatch in reference from the function test_bit() to the variable .init.data:numa_nodes_parsed