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Message-ID: <202601140909.LBJvN7Nb-lkp@intel.com>
Date: Wed, 14 Jan 2026 09:41:04 +0800
From: kernel test robot <lkp@...el.com>
To: Imran Khan <imran.f.khan@...cle.com>, tglx@...utronix.de
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] genirq/cpuhotplug: notify about irq affinity change
for offlined cpus.
Hi Imran,
kernel test robot noticed the following build errors:
[auto build test ERROR on f8f9c1f4d0c7a64600e2ca312dec824a0bc2f1da]
url: https://github.com/intel-lab-lkp/linux/commits/Imran-Khan/genirq-cpuhotplug-notify-about-irq-affinity-change-for-offlined-cpus/20260113-223900
base: f8f9c1f4d0c7a64600e2ca312dec824a0bc2f1da
patch link: https://lore.kernel.org/r/20260113143727.1041265-1-imran.f.khan%40oracle.com
patch subject: [PATCH v3] genirq/cpuhotplug: notify about irq affinity change for offlined cpus.
config: x86_64-buildonly-randconfig-002-20260114 (https://download.01.org/0day-ci/archive/20260114/202601140909.LBJvN7Nb-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260114/202601140909.LBJvN7Nb-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601140909.LBJvN7Nb-lkp@intel.com/
All errors (new ones prefixed by >>):
>> kernel/irq/manage.c:149:6: error: redefinition of 'schedule_affinity_notify_work'
149 | void schedule_affinity_notify_work(struct irq_desc *desc)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from kernel/irq/manage.c:15:
include/linux/interrupt.h:449:20: note: previous definition of 'schedule_affinity_notify_work' with type 'void(struct irq_desc *)'
449 | static inline void schedule_affinity_notify_work(struct irq_desc *desc) { }
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
kernel/irq/manage.c: In function 'schedule_affinity_notify_work':
>> kernel/irq/manage.c:151:23: error: 'struct irq_desc' has no member named 'affinity_notify'
151 | kref_get(&desc->affinity_notify->kref);
| ^~
In file included from include/linux/export.h:5,
from include/linux/linkage.h:7,
from arch/x86/include/asm/cache.h:5,
from include/vdso/cache.h:5,
from include/linux/cache.h:6,
from include/linux/irq.h:13,
from kernel/irq/manage.c:11:
kernel/irq/manage.c:152:33: error: 'struct irq_desc' has no member named 'affinity_notify'
152 | if (!schedule_work(&desc->affinity_notify->work))
| ^~
include/linux/compiler.h:57:52: note: in definition of macro '__trace_if_var'
57 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
| ^~~~
kernel/irq/manage.c:152:9: note: in expansion of macro 'if'
152 | if (!schedule_work(&desc->affinity_notify->work))
| ^~
kernel/irq/manage.c:152:33: error: 'struct irq_desc' has no member named 'affinity_notify'
152 | if (!schedule_work(&desc->affinity_notify->work))
| ^~
include/linux/compiler.h:57:61: note: in definition of macro '__trace_if_var'
57 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond))
| ^~~~
kernel/irq/manage.c:152:9: note: in expansion of macro 'if'
152 | if (!schedule_work(&desc->affinity_notify->work))
| ^~
kernel/irq/manage.c:152:33: error: 'struct irq_desc' has no member named 'affinity_notify'
152 | if (!schedule_work(&desc->affinity_notify->work))
| ^~
include/linux/compiler.h:68:10: note: in definition of macro '__trace_if_value'
68 | (cond) ? \
| ^~~~
include/linux/compiler.h:55:28: note: in expansion of macro '__trace_if_var'
55 | #define if(cond, ...) if ( __trace_if_var( !!(cond , ## __VA_ARGS__) ) )
| ^~~~~~~~~~~~~~
kernel/irq/manage.c:152:9: note: in expansion of macro 'if'
152 | if (!schedule_work(&desc->affinity_notify->work))
| ^~
kernel/irq/manage.c:154:31: error: 'struct irq_desc' has no member named 'affinity_notify'
154 | kref_put(&desc->affinity_notify->kref,
| ^~
kernel/irq/manage.c:155:30: error: 'struct irq_desc' has no member named 'affinity_notify'
155 | desc->affinity_notify->release);
| ^~
vim +/schedule_affinity_notify_work +149 kernel/irq/manage.c
141
142 /**
143 * schedule_affinity_notify_work - Schedule work to notify
144 * about irq affinity change.
145 * @desc: irq descriptor whose affinity changed
146 *
147 * Caller needs to hold desc->lock
148 */
> 149 void schedule_affinity_notify_work(struct irq_desc *desc)
150 {
> 151 kref_get(&desc->affinity_notify->kref);
152 if (!schedule_work(&desc->affinity_notify->work))
153 /* Work was already scheduled, drop our extra ref */
154 kref_put(&desc->affinity_notify->kref,
155 desc->affinity_notify->release);
156 }
157 EXPORT_SYMBOL_GPL(schedule_affinity_notify_work);
158
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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