[rcu:dev.2020.06.02a] BUILD REGRESSION 5216948905dd07a84cef8a7dc72c2ec076802efd

From: kernel test robot
Date: Fri Jun 05 2020 - 22:21:15 EST


tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2020.06.02a
branch HEAD: 5216948905dd07a84cef8a7dc72c2ec076802efd torture: Create qemu-cmd in --buildonly runs

Error/Warning in current branch:

(.text+0x80c): undefined reference to `__aeabi_uldivmod'
arm-linux-gnueabi-ld: (.text+0x860): undefined reference to `__aeabi_uldivmod'
kernel/smp.c:122: undefined reference to `__udivdi3'
ld: kernel/smp.c:128: undefined reference to `__udivdi3'
ld: kernel/smp.c:136: undefined reference to `__umoddi3'
ld: smp.c:(.text+0x5a3): undefined reference to `__udivdi3'
ld: smp.c:(.text+0x648): undefined reference to `__umoddi3'
smp.c:(.text+0x55a): undefined reference to `__udivdi3'

Error/Warning ids grouped by kconfigs:

recent_errors
|-- arm-allyesconfig
| |-- (.text):undefined-reference-to-__aeabi_uldivmod
| `-- arm-linux-gnueabi-ld:(.text):undefined-reference-to-__aeabi_uldivmod
|-- i386-allmodconfig
| |-- ld:smp.c:(.text):undefined-reference-to-__udivdi3
| |-- ld:smp.c:(.text):undefined-reference-to-__umoddi3
| `-- smp.c:(.text):undefined-reference-to-__udivdi3
|-- i386-allyesconfig
| |-- ld:smp.c:(.text):undefined-reference-to-__udivdi3
| |-- ld:smp.c:(.text):undefined-reference-to-__umoddi3
| `-- smp.c:(.text):undefined-reference-to-__udivdi3
`-- i386-randconfig-c001-20200605
|-- kernel-smp.c:undefined-reference-to-__udivdi3
|-- ld:kernel-smp.c:undefined-reference-to-__udivdi3
`-- ld:kernel-smp.c:undefined-reference-to-__umoddi3


i386-tinyconfig vmlinux size:

============================================================================================================================
TOTAL TEXT arch/x86/events/zhaoxin/built-in.*
============================================================================================================================
-1 0 b3e2d20973db rcuperf: Fix printk format warning
-233 -233 +136 6f1a383dd3b1 Merge branch 'kcsan-dev.2020.04.13c' into HEAD
0 0 0 191a685f4f2f Merge branch 'lkmm-dev.2020.05.16a' into HEAD
0 0 0 78df41a9c13a torture: Remove qemu dependency on EFI firmware
0 0 0 571b05c483d2 torture: Add script to smoke-test commits in a branch
+38 +38 0 e88deb89ed6a fork: Annotate a data race in vm_area_dup()
0 0 0 e534895edc55 x86/mm/pat: Mark an intentional data race
0 0 0 bce3f442b911 rculist: Add ASSERT_EXCLUSIVE_ACCESS() to __list_splice_init
0 0 0 afa06b508109 locktorture: Use true and false to assign to bool variables
0 0 0 1318fb21873e srcu: Fix a typo in comment "amoritized"->"amortized"
0 0 0 c4c78437db28 rcu: Simplify the calculation of rcu_state.ncpus
0 0 0 97e3dab5cebc docs: RCU: Convert checklist.txt to ReST
0 0 0 890bb7fe302c docs: RCU: Convert lockdep-splat.txt to ReST
0 0 0 8c8b194c3a41 docs: RCU: Convert lockdep.txt to ReST
0 0 0 c999e5cd7aa7 docs: RCU: Convert rculist_nulls.txt to ReST
0 0 0 09f2ded72f2e docs: RCU: Convert torture.txt to ReST
0 0 0 e68e913d34a2 docs: RCU: Convert rcuref.txt to ReST
0 0 0 91080f1874d1 docs: RCU: Convert stallwarn.txt to ReST
0 0 0 c89ecb29b2d8 docs: RCU: Don't duplicate chapter names in rculist_nulls.rs
0 0 0 ddca16397b69 rcutorture: Add races with task-exit processing
0 0 0 59c16d050ff8 torture: Set configfile variable to current scenario
0 0 0 54351dd51082 rcutorture: Handle non-statistic bang-string error messages
0 0 0 5a510624b945 rcutorture: NULL rcu_torture_current earlier in cleanup code
0 0 0 eaf2dde8be47 kcsan: Add test suite
0 0 0 f21fb721039d doc: Timer problems can cause RCU CPU stall warnings
0 0 0 834d28c7b403 rcu: Add callbacks-invoked counters
+1 0 0 7ec7b6a96122 rcu: Add comment documenting rcu_callback_map's purpose
0 0 0 2027c0175333 Revert b8c17e6664c4 ("rcu: Maintain special bits at bottom o
0 0 0 fce79449d4f5 rcu/tree: Add better tracing for dyntick-idle
0 0 0 6d0026bcc373 rcu/tree: Clean up dynticks counter usage
0 0 0 8a00baf57f8d rcu/tree: Remove dynticks_nmi_nesting counter
0 0 0 86c5a37ba1c4 trace: events: rcu: Change description of rcu_dyntick trace
0 0 0 ac45e88c3171 torture: Remove whitespace from identify_qemu_vcpus output
0 0 0 eb3413bab732 torture: Add --allcpus argument to the kvm.sh script
0 0 0 8a33a0254a7d rcu: Grace-period-kthread related sleeps to idle priority
0 0 0 dafabfab26e7 rcu: Priority-boost-related sleeps to idle priority
0 0 0 5e482bc4e619 rcu: No-CBs-related sleeps to idle priority
0 0 0 f411a8d5a59a rcu: Expedited grace-period sleeps to idle priority
0 0 0 41d887097fab rcu-tasks: Convert sleeps to idle priority
0 0 0 3ecbfe4fa2f2 fs/btrfs: Add cond_resched() for try_release_extent_mapping(
0 0 0 cf3fa62d84e1 locking/osq_lock: Annotate a data race in osq_lock
0 0 0 c152b7d96ee2 doc: Tasks RCU must protect instructions before trampoline
0 0 0 c53a43c252b8 doc: Update comment from rsp->rcu_gp_seq to rsp->gp_seq
0 0 0 c9a03aedb8fe tick/nohz: Narrow down noise while setting current task's ti
0 0 0 0b1b4e3ad8e9 rcu: fix some kernel-doc warnings
0 0 0 8390964aaf03 rcu: Remove initialized but unused rnp from check_slow_task(
0 0 0 fd97166981e6 rcu: Mark rcu_nmi_enter() call to rcu_cleanup_after_idle() n
0 0 0 9df19861701f rcuperf: Remove useless while loops around wait_event
0 0 0 2783ca3ea28a refperf: Add a test to measure performance of read-side sync
0 0 0 007b4ddd5c43 rcuperf: Add comments explaining the high reader overhead
0 0 0 7aeb9796b71e torture: Add refperf to the rcutorture scripting
0 0 0 06593893a534 refperf: Add holdoff parameter to allow CPUs to come online
0 0 0 b8549dc713c9 refperf: Hoist function-pointer calls out of the loop
0 0 0 67c9317844d0 refperf: Allow decimal nanoseconds
0 0 0 63452ac13382 refperf: Convert nreaders to a module parameter
0 0 0 7251a934ea19 refperf: Provide module parameter to specify number of exper
0 0 0 093461eeaff4 refperf: Dynamically allocate experiment-summary output buff
0 0 0 716ef41b54a6 refperf: Dynamically allocate thread-summary output buffer
0 0 0 5772330da07b srcu: Avoid local_irq_save() before acquiring spinlock_t
0 0 0 1c62f6690562 refperf: Make functions static
0 0 0 484792950aed refperf: Tune reader measurement interval
0 0 0 6ec003a89728 refperf: Convert reader_task structure's "start" field to in
0 0 0 a01f0d0a3dc9 refperf: More closely synchronize reader start times
0 0 0 7d16add62717 rcuperf: Fix kfree_mult to match printk() format
0 0 0 bc374477cc71 refperf: Add warmup and cooldown processing phases
0 0 0 a9868255e8c5 refperf: Label experiment-number column "Runs"
0 0 0 357da0e90935 refperf: Output per-experiment data points
0 0 0 d16ff49e03b1 refperf: Simplify initialization-time wakeup protocol
0 0 0 a32fdd9b4047 lockdep: Complain only once about RCU in extended quiescent
0 0 0 f0601adfe91d refperf: Add read-side delay module parameter
0 0 0 aec9d8219e92 rcu-tasks: Make rcu_tasks_postscan() be static
0 0 0 32b5befa6acc rcu-tasks: Add #include of rcupdate_trace.h to update.c
0 0 0 54b7fd524386 rcu-tasks: Conditionally compile show_rcu_tasks_gp_kthreads(
0 0 0 70374403a086 refperf: Adjust refperf.loop default value
0 0 0 7903da67e12d doc: Document rcuperf's module parameters
0 0 0 b8ddb7812bf0 refperf: Work around 64-bit division
0 0 0 7c4283671969 refperf: Change readdelay module parameter to nanoseconds
0 0 0 230f38bba350 refperf: Add test for RCU Tasks Trace readers.
0 0 0 272ff09a4bc9 rcu/rcutorture: Replace 0 with false
0 0 0 c88ad6e8ec38 rcu: Replace 1 with true
-1 0 -136 a0fd2081c605 kcsan: Prefer '__no_kcsan inline' in test
+1 0 +136 92ebbb71443d EXP kernel/smp: Provide CSD lock timeout diagnostics
0 0 0 2cd332ee56be refperf: Add test for RCU Tasks readers
0 0 0 eb56974d6b84 fixup! refperf: Convert nreaders to a module parameter
0 0 0 87e824f08358 tools/memory-model/README: Expand dependency of klitmus7
0 0 0 6087659edf45 rcu: Stop shrinker loop
0 0 0 5216948905dd torture: Create qemu-cmd in --buildonly runs
-189 -189 +136 b1fcf9b83c41..5216948905dd (ALL COMMITS)
============================================================================================================================

elapsed time: 486m

configs tested: 90
configs skipped: 2

arm defconfig
arm allyesconfig
arm allmodconfig
arm allnoconfig
arm64 allyesconfig
arm64 defconfig
arm64 allmodconfig
arm64 allnoconfig
mips tb0287_defconfig
ia64 generic_defconfig
arc nps_defconfig
s390 alldefconfig
h8300 defconfig
i386 allnoconfig
arm imx_v4_v5_defconfig
alpha defconfig
m68k stmark2_defconfig
powerpc pasemi_defconfig
arc vdk_hs38_smp_defconfig
arm lpc32xx_defconfig
riscv allnoconfig
mips ath79_defconfig
i386 allyesconfig
i386 defconfig
i386 debian-10.3
ia64 allmodconfig
ia64 defconfig
ia64 allnoconfig
ia64 allyesconfig
m68k allmodconfig
m68k allnoconfig
m68k sun3_defconfig
m68k defconfig
m68k allyesconfig
nios2 defconfig
nios2 allyesconfig
openrisc defconfig
c6x allyesconfig
c6x allnoconfig
openrisc allyesconfig
nds32 defconfig
nds32 allnoconfig
csky allyesconfig
csky defconfig
alpha allyesconfig
xtensa allyesconfig
h8300 allyesconfig
h8300 allmodconfig
xtensa defconfig
arc defconfig
arc allyesconfig
sh allmodconfig
sh allnoconfig
microblaze allnoconfig
mips allyesconfig
mips allnoconfig
mips allmodconfig
parisc allnoconfig
parisc defconfig
parisc allyesconfig
parisc allmodconfig
powerpc allyesconfig
powerpc rhel-kconfig
powerpc allmodconfig
powerpc allnoconfig
powerpc defconfig
riscv allyesconfig
riscv defconfig
riscv allmodconfig
s390 allyesconfig
s390 allnoconfig
s390 allmodconfig
s390 defconfig
sparc allyesconfig
sparc defconfig
sparc64 defconfig
sparc64 allnoconfig
sparc64 allyesconfig
sparc64 allmodconfig
um allmodconfig
um allyesconfig
um allnoconfig
um defconfig
x86_64 rhel
x86_64 rhel-7.6
x86_64 rhel-7.6-kselftests
x86_64 rhel-7.2-clear
x86_64 lkp
x86_64 fedora-25
x86_64 kexec

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