linux-kernel - [tip:core/rseq] BUILD REGRESSION 21782b3a5cd40892cb2995aa1ec3e74dd1112f1d

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Message-ID: <202511250444.dqSVwIIP-lkp@intel.com>
Date: Tue, 25 Nov 2025 04:48:50 +0800
From: kernel test robot <lkp@...el.com>
To: "x86-ml" <x86@...nel.org>
Cc: linux-kernel@...r.kernel.org
Subject: [tip:core/rseq] BUILD REGRESSION
 21782b3a5cd40892cb2995aa1ec3e74dd1112f1d

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/rseq
branch HEAD: 21782b3a5cd40892cb2995aa1ec3e74dd1112f1d  cpu: Initialize __num_possible_cpus correctly

Error/Warning (recently discovered and may have been fixed):

    https://lore.kernel.org/oe-kbuild-all/202511250134.i0Jm8d7I-lkp@intel.com

    include/linux/rseq_entry.h:132:3: error: invalid operand for instruction

Error/Warning ids grouped by kconfigs:

recent_errors
`-- powerpc-randconfig-002-20251124
    `-- include-linux-rseq_entry.h:error:invalid-operand-for-instruction

elapsed time: 1487m

configs tested: 53
configs skipped: 1

tested configs:
alpha                   allnoconfig    gcc-15.1.0
arc                     allnoconfig    gcc-15.1.0
arc         randconfig-001-20251124    gcc-10.5.0
arc         randconfig-002-20251124    gcc-13.4.0
arm                     allnoconfig    clang-22
arm         randconfig-001-20251124    clang-19
arm         randconfig-002-20251124    gcc-12.5.0
arm         randconfig-003-20251124    gcc-11.5.0
arm         randconfig-004-20251124    clang-22
arm64                   allnoconfig    gcc-15.1.0
csky                    allnoconfig    gcc-15.1.0
hexagon                 allnoconfig    clang-22
hexagon     randconfig-001-20251124    clang-17
hexagon     randconfig-002-20251124    clang-18
i386                    allnoconfig    gcc-14
loongarch               allnoconfig    clang-22
loongarch   randconfig-001-20251124    clang-22
loongarch   randconfig-002-20251124    gcc-14.3.0
m68k                    allnoconfig    gcc-15.1.0
microblaze              allnoconfig    gcc-15.1.0
mips                    allnoconfig    gcc-15.1.0
nios2                   allnoconfig    gcc-11.5.0
nios2       randconfig-001-20251124    gcc-11.5.0
nios2       randconfig-002-20251124    gcc-11.5.0
openrisc                allnoconfig    gcc-15.1.0
parisc                  allnoconfig    gcc-15.1.0
parisc      randconfig-001-20251124    gcc-14.3.0
parisc      randconfig-002-20251124    gcc-13.4.0
powerpc                 allnoconfig    gcc-15.1.0
powerpc     randconfig-001-20251124    gcc-12.5.0
powerpc64   randconfig-001-20251124    gcc-8.5.0
powerpc64   randconfig-002-20251124    gcc-14.3.0
riscv                   allnoconfig    gcc-15.1.0
riscv       randconfig-001-20251124    clang-17
riscv       randconfig-002-20251124    clang-22
s390                    allnoconfig    clang-22
s390        randconfig-001-20251124    gcc-8.5.0
s390        randconfig-002-20251124    clang-22
sh                      allnoconfig    gcc-15.1.0
sh          randconfig-001-20251124    gcc-15.1.0
sh          randconfig-002-20251124    gcc-12.5.0
sparc                   allnoconfig    gcc-15.1.0
sparc       randconfig-001-20251124    gcc-8.5.0
sparc       randconfig-002-20251124    gcc-13.4.0
sparc64     randconfig-001-20251124    gcc-15.1.0
sparc64     randconfig-002-20251124    gcc-8.5.0
um                      allnoconfig    clang-22
um          randconfig-001-20251124    gcc-14
um          randconfig-002-20251124    clang-20
x86_64                  allnoconfig    clang-20
xtensa                  allnoconfig    gcc-15.1.0
xtensa      randconfig-001-20251124    gcc-10.5.0
xtensa      randconfig-002-20251124    gcc-8.5.0

--
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https://github.com/intel/lkp-tests/wiki