From: KernelCI bot <bot@kernelci.org>
To: kernelci-results@groups.io
Cc: regressions@lists.linux.dev, linux-next@vger.kernel.org
Subject: [REGRESSION] next/master: (build)kernel/sched/ext/ext.c:5690:68: error: ‘struct scx_dispatch_q’ has ...
Date: Mon, 19 Oct 2026 19:59:08 -0000 [thread overview]
Message-ID: <179243994757.157792.6578749550685907930@kernelci.org> (raw)
New build issue found on next/master:
---
kernel/sched/ext/ext.c:5690:68: error: ‘struct scx_dispatch_q’ has no member named ‘pcpu’ in kernel/sched/build_policy.o (kernel/sched/build_policy.c) [logspec:kbuild,kbuild.compiler.error]
---
Log excerpt:
=====================================================
from kernel/sched/build_policy.c:17:
kernel/sched/ext/ext.c: In function ‘free_dsq_irq_workfn’:
kernel/sched/ext/ext.c:5690:68: error: ‘struct scx_dispatch_q’ has no member named ‘pcpu’
5690 | struct scx_dsq_pcpu *pcpu = per_cpu_ptr(dsq->pcpu, cpu);
| ^~
./include/linux/percpu-defs.h:216:54: note: in definition of macro ‘__verify_pcpu_ptr’
216 | const void __percpu *__vpp_verify = (typeof((ptr) + 0))NULL; \
| ^~~
kernel/sched/ext/ext.c:5690:53: note: in expansion of macro ‘per_cpu_ptr’
5690 | struct scx_dsq_pcpu *pcpu = per_cpu_ptr(dsq->pcpu, cpu);
| ^~~~~~~~~~~
In file included from ././include/linux/compiler_types.h:173,
from <command-line>:
kernel/sched/ext/ext.c:5690:68: error: ‘struct scx_dispatch_q’ has no member named ‘pcpu’
5690 | struct scx_dsq_pcpu *pcpu = per_cpu_ptr(dsq->pcpu, cpu);
| ^~
./include/linux/compiler-gcc.h:34:41: note: in definition of macro ‘RELOC_HIDE’
34 | __asm__ ("" : "=r"(__ptr) : "0"(ptr)); \
| ^~~
./include/linux/percpu-defs.h:221:10: note: in expansion of macro ‘TYPEOF_UNQUAL’
221 | (TYPEOF_UNQUAL(*(__p)) __force __kernel *)((__force unsigned long)(__p))
| ^~~~~~~~~~~~~
./include/linux/percpu-defs.h:230:20: note: in expansion of macro ‘PERCPU_PTR’
230 | RELOC_HIDE(PERCPU_PTR(__p), (__offset))
| ^~~~~~~~~~
./include/linux/percpu-defs.h:235:9: note: in expansion of macro ‘SHIFT_PERCPU_PTR’
235 | SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu))); \
| ^~~~~~~~~~~~~~~~
kernel/sched/ext/ext.c:5690:53: note: in expansion of macro ‘per_cpu_ptr’
5690 | struct scx_dsq_pcpu *pcpu = per_cpu_ptr(dsq->pcpu, cpu);
| ^~~~~~~~~~~
kernel/sched/ext/ext.c:5690:68: error: ‘struct scx_dispatch_q’ has no member named ‘pcpu’
5690 | struct scx_dsq_pcpu *pcpu = per_cpu_ptr(dsq->pcpu, cpu);
| ^~
./include/linux/compiler-gcc.h:34:41: note: in definition of macro ‘RELOC_HIDE’
34 | __asm__ ("" : "=r"(__ptr) : "0"(ptr)); \
| ^~~
./include/linux/percpu-defs.h:230:20: note: in expansion of macro ‘PERCPU_PTR’
230 | RELOC_HIDE(PERCPU_PTR(__p), (__offset))
| ^~~~~~~~~~
./include/linux/percpu-defs.h:235:9: note: in expansion of macro ‘SHIFT_PERCPU_PTR’
235 | SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu))); \
| ^~~~~~~~~~~~~~~~
kernel/sched/ext/ext.c:5690:53: note: in expansion of macro ‘per_cpu_ptr’
5690 | struct scx_dsq_pcpu *pcpu = per_cpu_ptr(dsq->pcpu, cpu);
| ^~~~~~~~~~~
kernel/sched/ext/ext.c:5690:68: error: ‘struct scx_dispatch_q’ has no member named ‘pcpu’
5690 | struct scx_dsq_pcpu *pcpu = per_cpu_ptr(dsq->pcpu, cpu);
| ^~
./include/linux/compiler-gcc.h:35:17: note: in definition of macro ‘RELOC_HIDE’
35 | (typeof(ptr)) (__ptr + (off)); \
| ^~~
./include/linux/percpu-defs.h:221:10: note: in expansion of macro ‘TYPEOF_UNQUAL’
221 | (TYPEOF_UNQUAL(*(__p)) __force __kernel *)((__force unsigned long)(__p))
| ^~~~~~~~~~~~~
./include/linux/percpu-defs.h:230:20: note: in expansion of macro ‘PERCPU_PTR’
230 | RELOC_HIDE(PERCPU_PTR(__p), (__offset))
| ^~~~~~~~~~
./include/linux/percpu-defs.h:235:9: note: in expansion of macro ‘SHIFT_PERCPU_PTR’
235 | SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu))); \
| ^~~~~~~~~~~~~~~~
kernel/sched/ext/ext.c:5690:53: note: in expansion of macro ‘per_cpu_ptr’
5690 | struct scx_dsq_pcpu *pcpu = per_cpu_ptr(dsq->pcpu, cpu);
| ^~~~~~~~~~~
kernel/sched/ext/ext.c:5690:68: error: ‘struct scx_dispatch_q’ has no member named ‘pcpu’
5690 | struct scx_dsq_pcpu *pcpu = per_cpu_ptr(dsq->pcpu, cpu);
| ^~
./include/linux/compiler-gcc.h:35:17: note: in definition of macro ‘RELOC_HIDE’
35 | (typeof(ptr)) (__ptr + (off)); \
| ^~~
./include/linux/percpu-defs.h:230:20: note: in expansion of macro ‘PERCPU_PTR’
230 | RELOC_HIDE(PERCPU_PTR(__p), (__offset))
| ^~~~~~~~~~
./include/linux/percpu-defs.h:235:9: note: in expansion of macro ‘SHIFT_PERCPU_PTR’
235 | SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu))); \
| ^~~~~~~~~~~~~~~~
kernel/sched/ext/ext.c:5690:53: note: in expansion of macro ‘per_cpu_ptr’
5690 | struct scx_dsq_pcpu *pcpu = per_cpu_ptr(dsq->pcpu, cpu);
| ^~~~~~~~~~~
CC crypto/krb5/rfc8009_aes2.o
CC mm/mmap.o
CC fs/mnt_idmapping.o
CC block/blk-zoned.o
=====================================================
When fixing this issue, please attribute this report according to the
patch submission rules:
Reported-by: kernelci.org bot <bot@kernelci.org>
Link: https://lore.kernel.org/all/179243994757.157792.6578749550685907930@kernelci.org/
For complete logs and details about the environment used, see the issue
on the KernelCI dashboard:
- dashboard: https://d.kernelci.org/i/maestro:73852e14f70c4fa20c57f8f41ccbe2bc6342d96b
- giturl: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
- commit HEAD: 3d229ce89862b8e82d71a9e11d6f840ca272a6d6
- tags: next-20261019
# Builds where the incident occurred:
## defconfig+netdev+nfs-root-boot+kselftest on (arm64):
- compiler: gcc-14
- config: https://files.kernelci.org/kbuild-gcc-14-arm64-nfsboot-6ad6683655fda5076042cad6/.config
- dashboard: https://d.kernelci.org/build/maestro:6ad6683655fda5076042cad6
#regzbot introduced: 2efb7a11f1aa4d2dc285fe2680cca22cb9f72f64..3d229ce89862b8e82d71a9e11d6f840ca272a6d6
#regzbot link: https://d.kernelci.org/i/maestro:73852e14f70c4fa20c57f8f41ccbe2bc6342d96b
#kernelci issue maestro:73852e14f70c4fa20c57f8f41ccbe2bc6342d96b
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next reply other threads:[~2026-10-19 19:59 UTC|newest]
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2026-10-19 19:59 KernelCI bot [this message]
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2026-10-19 19:59 [REGRESSION] next/master: (build)kernel/sched/ext/ext.c:5690:68: error: ‘struct scx_dispatch_q’ has KernelCI bot
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