This issue can be found since 6.5.0-12.12 on M-s390x.
The ubuntu_kvm_unit_tests was unable to build on Mantic s390x.
Build log:
Running 'git clone --depth=1 https://git.launchpad.net/~canonical-kernel-team/+git/kvm-unit-tests -b tip-testing'
Cloning into 'kvm-unit-tests'...
te HEAD SHA1: e45fc56
'patch -p1 < /home/ubuntu/autotest/client/tests/ubuntu_kvm_unit_tests/runtime_show.patch'
patching file scripts/runtime.bash
Hunk #1 succeeded at 2 with fuzz 1.
'./configure '
'make -j2 standalone'
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/s390x/.asm-offsets.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -fverbose-asm -S -o lib/s390x/asm-offsets.s lib/s390x/asm-offsets.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.auxinfo.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/auxinfo.o lib/auxinfo.c
(set -e; echo "#ifndef __ASM_OFFSETS_H__"; echo "#define __ASM_OFFSETS_H__"; echo "/*"; echo " * Generated file. DO NOT MODIFY."; echo " *"; echo " */"; echo ""; sed -ne 's:^[[:space:]]*\.ascii[[:space:]]*"\(.*\)".*:\1:; /^->/{s:->#\(.*\):/* \1 */:; s:^->\([^ ]*\) [\$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; s:^->\([^ ]*\) [\$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}' lib/s390x/asm-offsets.s; echo ""; echo "#endif" ) > lib/s390x/asm-offsets.h
cp -f lib/s390x/asm-offsets.h lib/generated/
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.argv.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/argv.o lib/argv.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.printf.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/printf.o lib/printf.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.string.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/string.o lib/string.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.abort.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/abort.o lib/abort.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.report.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/report.o lib/report.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.stack.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/stack.o lib/stack.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.util.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/util.o lib/util.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.alloc.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/alloc.o lib/alloc.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.alloc_phys.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/alloc_phys.o lib/alloc_phys.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.alloc_page.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/alloc_page.o lib/alloc_page.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.vmalloc.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/vmalloc.o lib/vmalloc.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.getchar.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/getchar.o lib/getchar.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/.migrate.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/migrate.o lib/migrate.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/s390x/.io.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/s390x/io.o lib/s390x/io.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/s390x/.stack.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/s390x/stack.o lib/s390x/stack.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/s390x/.sclp.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/s390x/sclp.o lib/s390x/sclp.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/s390x/.sclp-console.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/s390x/sclp-console.o lib/s390x/sclp-console.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/s390x/.interrupt.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/s390x/interrupt.o lib/s390x/interrupt.c
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/s390x/.mmu.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/s390x/mmu.o lib/s390x/mmu.c
lib/s390x/mmu.c:132:7: error: conflicting types for ‘get_dat_entry’ due to enum/integer mismatch; have ‘void *(pgd_t *, void *, enum pgt_level)’ [-Werror=enum-int-mismatch]
132 | void *get_dat_entry(pgd_t *pgtable, void *vaddr, enum pgt_level level)
| ^~~~~~~~~~~~~
In file included from lib/s390x/mmu.c:16:
lib/s390x/mmu.h:96:7: note: previous declaration of ‘get_dat_entry’ with type ‘void *(pgd_t *, void *, unsigned int)’
96 | void *get_dat_entry(pgd_t *pgtable, void *vaddr, unsigned int level);
| ^~~~~~~~~~~~~
gcc -std=gnu99 -ffreestanding -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/s390x/.smp.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror -fomit-frame-pointer -fno-stack-protector -Wno-frame-address -fno-pic -no-pie -Wclobbered -Wunused-but-set-parameter -Wmissing-parameter-type -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib -I/home/ubuntu/autotest/client/tmp/ubuntu_kvm_unit_tests/src/kvm-unit-tests/lib/s390x -Ilib -c -o lib/s390x/smp.o lib/s390x/smp.c
cc1: all warnings being treated as errors
make: *** [: lib/s390x/mmu.o] Error 1
make: *** Waiting for unfinished jobs....
This still happens on Noble s390x.
Spotted on n:fips 6.8.0-31.31+fips3 during the d2024.02.29 cycle on openstack.