* [paulmck-rcu:cmpxchg2.2026.09.22a] BUILD REGRESSION 54c282c15475ebfae4712fe3ab637c9d19c723d6
@ 2026-09-24 7:19 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-09-24 7:19 UTC (permalink / raw)
To: Paul E. McKenney; +Cc: linux-kernel
tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git cmpxchg2.2026.09.22a
branch HEAD: 54c282c15475ebfae4712fe3ab637c9d19c723d6 xtensa: Emulate two-byte cmpxchg
Error/Warning (recently discovered and may have been fixed):
https://lore.kernel.org/oe-kbuild-all/202609230743.rxxNILn7-lkp@intel.com
https://lore.kernel.org/oe-kbuild-all/202609240539.AkulvjVe-lkp@intel.com
arch/arc/include/asm/cmpxchg.h:70:23: warning: unused variable '_old_' [-Wunused-variable]
arch/arc/include/asm/cmpxchg.h:71:23: warning: unused variable '_new_' [-Wunused-variable]
arch/xtensa/include/asm/cmpxchg.h:88:58: error: pointer type mismatch in conditional expression [-Wincompatible-pointer-types]
Error/Warning ids grouped by kconfigs:
recent_errors
|-- arc-randconfig-1001-20260924
| |-- arch-arc-include-asm-cmpxchg.h:warning:unused-variable-_new_
| `-- arch-arc-include-asm-cmpxchg.h:warning:unused-variable-_old_
`-- xtensa-randconfig-r2102-20260923
`-- arch-xtensa-include-asm-cmpxchg.h:error:pointer-type-mismatch-in-conditional-expression
elapsed time: 2154m
configs tested: 250
configs skipped: 5
tested configs:
alpha allnoconfig gcc-16.1.0
alpha allyesconfig gcc-16.1.0
alpha defconfig gcc-16.1.0
alpha randconfig-r2102-20260923 gcc-8.5.0 cocci
arc allmodconfig clang-24
arc allnoconfig gcc-16.1.0
arc allyesconfig clang-24
arc defconfig gcc-16.1.0
arc randconfig-1000-20260924 clang-24
arc randconfig-1001-20260924 clang-24
arc randconfig-r2101-20260923 gcc-8.5.0 cocci
arm allnoconfig gcc-16.1.0
arm allyesconfig clang-24
arm defconfig gcc-16.1.0
arm jornada720_defconfig clang-24
arm randconfig-1000-20260924 clang-24
arm randconfig-1001-20260924 clang-24
arm randconfig-1002-20260924 clang-24
arm randconfig-1003-20260924 clang-24
arm randconfig-r2101-20260923 gcc-8.5.0 cocci
arm64 allnoconfig gcc-16.1.0
arm64 defconfig gcc-16.1.0
arm64 randconfig-1000-20260924 gcc-11.5.0
arm64 randconfig-1001-20260924 gcc-11.5.0
arm64 randconfig-1002-20260924 gcc-11.5.0
arm64 randconfig-1003-20260924 gcc-11.5.0
arm64 randconfig-r1302-20260924 gcc-12.5.0 sparse
arm64 randconfig-r2106-20260923 gcc-15.2.0 cocci
arm64 randconfig-r2201-20260923 clang-24 smatch
csky allmodconfig gcc-16.1.0
csky allnoconfig gcc-16.1.0
csky defconfig gcc-16.1.0
csky randconfig-1000-20260924 gcc-11.5.0
csky randconfig-1001-20260924 gcc-11.5.0
csky randconfig-r1306-20260924 gcc-14 sparse
csky randconfig-r1309-20260924 gcc-14 sparse
csky randconfig-r2107-20260923 gcc-15.2.0 cocci
hexagon allmodconfig gcc-16.1.0
hexagon allnoconfig gcc-16.1.0
hexagon defconfig gcc-16.1.0
hexagon randconfig-1000-20260924 gcc-8.5.0
hexagon randconfig-1001-20260924 gcc-8.5.0
i386 allmodconfig clang-22
i386 allnoconfig gcc-16.1.0
i386 allyesconfig clang-22
i386 buildonly-randconfig-1000-20260924 gcc-14
i386 buildonly-randconfig-1001-20260924 gcc-14
i386 buildonly-randconfig-1002-20260924 gcc-14
i386 buildonly-randconfig-1003-20260924 gcc-14
i386 buildonly-randconfig-1004-20260924 gcc-14
i386 buildonly-randconfig-1005-20260924 gcc-14
i386 defconfig gcc-16.1.0
i386 randconfig-1000-20260924 gcc-12
i386 randconfig-1001-20260924 gcc-12
i386 randconfig-1002-20260924 gcc-12
i386 randconfig-1003-20260924 gcc-12
i386 randconfig-1004-20260924 gcc-12
i386 randconfig-1005-20260924 gcc-12
i386 randconfig-1006-20260924 gcc-12
i386 randconfig-1007-20260924 clang-22
i386 randconfig-1008-20260924 clang-22
i386 randconfig-1009-20260924 clang-22
i386 randconfig-1010-20260924 clang-22
i386 randconfig-1011-20260924 clang-22
i386 randconfig-1012-20260924 clang-22
i386 randconfig-1013-20260924 clang-22
i386 randconfig-1300-20260924 clang-22 sparse
i386 randconfig-1301-20260924 clang-22 sparse
i386 randconfig-1302-20260924 clang-22 sparse
i386 randconfig-2100-20260923 clang-22 cocci
i386 randconfig-2100-20260923 gcc-14 cocci
i386 randconfig-2101-20260923 clang-22 cocci
i386 randconfig-2102-20260923 clang-22 cocci
i386 randconfig-2103-20260923 clang-22 cocci
i386 randconfig-2103-20260923 gcc-14 cocci
i386 randconfig-2200-20260923 gcc-12 smatch
i386 randconfig-r1307-20260924 gcc-14 sparse
i386 randconfig-r2100-20260923 gcc-8.5.0 cocci
loongarch allmodconfig clang-24
loongarch allnoconfig gcc-16.1.0
loongarch defconfig clang-24
loongarch randconfig-1000-20260924 gcc-8.5.0
loongarch randconfig-1001-20260924 gcc-8.5.0
loongarch randconfig-r1308-20260924 gcc-14 sparse
m68k allmodconfig gcc-16.1.0
m68k allnoconfig gcc-16.1.0
m68k allyesconfig clang-24
m68k defconfig clang-24
m68k randconfig-r2103-20260923 gcc-8.5.0 cocci
m68k randconfig-r2201-20260923 gcc-11.5.0 smatch
microblaze allnoconfig gcc-16.1.0
microblaze allyesconfig gcc-16.1.0
microblaze defconfig clang-24
microblaze randconfig-r2200-20260923 gcc-9.5.0 smatch
mips allmodconfig gcc-16.1.0
mips allnoconfig gcc-16.1.0
mips allyesconfig gcc-16.1.0
mips cobalt_defconfig clang-24
mips ip28_defconfig clang-24
mips randconfig-r2104-20260923 gcc-15.2.0 cocci
mips randconfig-r2202-20260923 gcc-8.5.0 smatch
nios2 allmodconfig clang-20
nios2 allnoconfig clang-24
nios2 defconfig clang-24
nios2 randconfig-1000-20260924 gcc-8.5.0
nios2 randconfig-1001-20260924 gcc-8.5.0
nios2 randconfig-r2103-20260923 gcc-11.5.0 cocci
openrisc allmodconfig clang-20
openrisc allnoconfig clang-24
openrisc defconfig gcc-16.1.0
openrisc randconfig-r2106-20260923 gcc-16.1.0 cocci
parisc allmodconfig gcc-16.1.0
parisc allnoconfig clang-24
parisc allyesconfig clang-17
parisc defconfig gcc-16.1.0
parisc randconfig-1000-20260924 gcc-8.5.0
parisc randconfig-1001-20260924 gcc-8.5.0
parisc randconfig-r2100-20260923 gcc-8.5.0 cocci
parisc randconfig-r2103-20260923 gcc-14 cocci
parisc randconfig-r2202-20260923 gcc-12.5.0 smatch
parisc64 defconfig clang-24
powerpc allmodconfig gcc-16.1.0
powerpc allnoconfig clang-24
powerpc randconfig-1000-20260924 gcc-8.5.0
powerpc randconfig-1001-20260924 gcc-8.5.0
powerpc warp_defconfig clang-24
powerpc64 randconfig-1000-20260924 gcc-8.5.0
powerpc64 randconfig-1001-20260924 gcc-8.5.0
powerpc64 randconfig-r2105-20260923 gcc-15.2.0 cocci
riscv alldefconfig clang-24
riscv allmodconfig clang-24
riscv allnoconfig clang-24
riscv allyesconfig clang-24
riscv defconfig gcc-16.1.0
riscv randconfig-1000-20260924 gcc-15.2.0
riscv randconfig-1001-20260924 gcc-15.2.0
riscv randconfig-2000-20260923 gcc-9.5.0
riscv randconfig-2001-20260923 gcc-8.5.0
riscv randconfig-2001-20260923 gcc-9.5.0
riscv randconfig-r1300-20260924 gcc-12.5.0 sparse
riscv randconfig-r1305-20260924 gcc-12.5.0 sparse
riscv randconfig-r2107-20260923 gcc-16.1.0 cocci
s390 allmodconfig clang-17
s390 allnoconfig clang-24
s390 allyesconfig gcc-16.1.0
s390 defconfig clang-24
s390 defconfig gcc-16.1.0
s390 randconfig-1000-20260924 gcc-15.2.0
s390 randconfig-1001-20260924 gcc-15.2.0
s390 randconfig-2000-20260923 clang-17
s390 randconfig-2000-20260923 gcc-9.5.0
s390 randconfig-2001-20260923 clang-24
s390 randconfig-2001-20260923 gcc-9.5.0
sh allmodconfig gcc-16.1.0
sh allnoconfig clang-24
sh allyesconfig clang-17
sh defconfig gcc-14
sh r7780mp_defconfig clang-24
sh randconfig-1000-20260924 gcc-15.2.0
sh randconfig-1001-20260924 gcc-15.2.0
sh randconfig-2000-20260923 gcc-12.5.0
sh randconfig-2000-20260923 gcc-9.5.0
sh randconfig-2001-20260923 gcc-14.3.0
sh randconfig-2001-20260923 gcc-9.5.0
sh randconfig-r2104-20260923 gcc-16.1.0 cocci
sh se7724_defconfig clang-24
sparc allnoconfig clang-24
sparc defconfig gcc-16.1.0
sparc randconfig-1000-20260924 clang-17
sparc randconfig-1001-20260924 clang-17
sparc randconfig-2000-20260923 gcc-14.3.0
sparc randconfig-2001-20260923 gcc-14.3.0
sparc randconfig-r1301-20260924 gcc-12.5.0 sparse
sparc randconfig-r1303-20260924 gcc-12.5.0 sparse
sparc randconfig-r2105-20260923 gcc-16.1.0 cocci
sparc randconfig-r2200-20260923 gcc-8.5.0 smatch
sparc randconfig-r2201-20260923 gcc-11.5.0 smatch
sparc64 allmodconfig clang-20
sparc64 defconfig gcc-14
sparc64 randconfig-1000-20260924 clang-17
sparc64 randconfig-1001-20260924 clang-17
sparc64 randconfig-2000-20260923 gcc-14.3.0
sparc64 randconfig-2001-20260923 gcc-14.3.0
um allmodconfig clang-17
um allnoconfig clang-24
um allyesconfig gcc-16.1.0
um defconfig gcc-14
um i386_defconfig gcc-14
um randconfig-1000-20260924 clang-17
um randconfig-1001-20260924 clang-17
um randconfig-2000-20260923 gcc-14.3.0
um randconfig-2001-20260923 gcc-14.3.0
um randconfig-r1304-20260924 gcc-12.5.0 sparse
um x86_64_defconfig gcc-14
x86_64 allnoconfig clang-24
x86_64 buildonly-randconfig-1000-20260924 clang-22
x86_64 buildonly-randconfig-1001-20260924 clang-22
x86_64 buildonly-randconfig-1002-20260924 clang-22
x86_64 buildonly-randconfig-1003-20260924 clang-22
x86_64 buildonly-randconfig-1004-20260924 clang-22
x86_64 buildonly-randconfig-1005-20260924 clang-22
x86_64 defconfig gcc-14
x86_64 kexec clang-22
x86_64 randconfig-1000-20260924 clang-22
x86_64 randconfig-1001-20260924 clang-22
x86_64 randconfig-1002-20260924 clang-22
x86_64 randconfig-1003-20260924 clang-22
x86_64 randconfig-1004-20260924 clang-22
x86_64 randconfig-1005-20260924 clang-22
x86_64 randconfig-1006-20260924 clang-22
x86_64 randconfig-1007-20260924 clang-22
x86_64 randconfig-1008-20260924 clang-22
x86_64 randconfig-1009-20260924 clang-22
x86_64 randconfig-1010-20260924 clang-22
x86_64 randconfig-1011-20260924 clang-22
x86_64 randconfig-1012-20260924 clang-22
x86_64 randconfig-1013-20260924 clang-22
x86_64 randconfig-1014-20260924 clang-22
x86_64 randconfig-1015-20260924 clang-22
x86_64 randconfig-1016-20260924 clang-22
x86_64 randconfig-1017-20260924 clang-22
x86_64 randconfig-1300-20260924 clang-22 sparse
x86_64 randconfig-1301-20260924 clang-22 sparse
x86_64 randconfig-1302-20260924 clang-22 sparse
x86_64 randconfig-2100-20260923 clang-22 cocci
x86_64 randconfig-2101-20260923 clang-22 cocci
x86_64 randconfig-2102-20260923 clang-22 cocci
x86_64 randconfig-2103-20260923 clang-22 cocci
x86_64 randconfig-2200-20260923 gcc-14 smatch
x86_64 randconfig-r2100-20260923 gcc-14 cocci
x86_64 randconfig-r2101-20260923 gcc-14 cocci
x86_64 randconfig-r2102-20260923 gcc-14 cocci
x86_64 rhel-9.4 clang-22
x86_64 rhel-9.4-bpf clang-22
x86_64 rhel-9.4-bpf gcc-14
x86_64 rhel-9.4-func clang-22
x86_64 rhel-9.4-kselftests clang-22
x86_64 rhel-9.4-kunit clang-22
x86_64 rhel-9.4-kunit gcc-14
x86_64 rhel-9.4-ltp clang-22
x86_64 rhel-9.4-ltp gcc-14
x86_64 rhel-9.4-rust clang-22
x86_64 rhel-9.4-rust clang-22
xtensa allnoconfig clang-24
xtensa allyesconfig clang-20
xtensa randconfig-1000-20260924 clang-17
xtensa randconfig-1001-20260924 clang-17
xtensa randconfig-2000-20260923 gcc-14.3.0
xtensa randconfig-2001-20260923 gcc-14.3.0
xtensa randconfig-r2102-20260923 gcc-15.2.0 cocci
--
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https://github.com/intel/lkp-tests/wiki
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