Hi Frederic,
FYI, kernel build failed on
tree: git://github.com/fweisbec/linux-dynticks.git nohz/printk
head: f72ce6fbecebcf9faeaa740754ac71474758c1f6
commit: ed0f263e94f74a833ad1829e6acc218857f8e735 [1/5] irq_work: Move irq_work_raise() declaration/default definition to arch headers
config: sparc-defconfig # make ARCH=sparc defconfig
All error/warnings:
In file included from include/linux/irq.h:356:0,
from include/asm-generic/hardirq.h:12,
from arch/sparc/include/asm/hardirq_32.h:11,
from arch/sparc/include/asm/hardirq.h:6,
from include/linux/hardirq.h:7,
from include/linux/interrupt.h:12,
from arch/sparc/mm/fault_32.c:22:
include/linux/irqdesc.h:73:33: error: 'NR_IRQS' undeclared here (not in a function)
vim +73 include/linux/irqdesc.h
cd7eab44 Ben Hutchings 2011-01-19 57 struct irq_affinity_notify *affinity_notify;
e144710b Thomas Gleixner 2010-10-01 58 #ifdef CONFIG_GENERIC_PENDING_IRQ
e144710b Thomas Gleixner 2010-10-01 59 cpumask_var_t pending_mask;
e144710b Thomas Gleixner 2010-10-01 60 #endif
e144710b Thomas Gleixner 2010-10-01 61 #endif
b5faba21 Thomas Gleixner 2011-02-23 62 unsigned long threads_oneshot;
e144710b Thomas Gleixner 2010-10-01 63 atomic_t threads_active;
e144710b Thomas Gleixner 2010-10-01 64 wait_queue_head_t wait_for_threads;
e144710b Thomas Gleixner 2010-10-01 65 #ifdef CONFIG_PROC_FS
e144710b Thomas Gleixner 2010-10-01 66 struct proc_dir_entry *dir;
e144710b Thomas Gleixner 2010-10-01 67 #endif
b6873807 Sebastian Andrzej Siewior 2011-07-11 68 struct module *owner;
e144710b Thomas Gleixner 2010-10-01 69 const char *name;
e144710b Thomas Gleixner 2010-10-01 70 } ____cacheline_internodealigned_in_smp;
e144710b Thomas Gleixner 2010-10-01 71
e144710b Thomas Gleixner 2010-10-01 72 #ifndef CONFIG_SPARSE_IRQ
e144710b Thomas Gleixner 2010-10-01 @73 extern struct irq_desc irq_desc[NR_IRQS];
e144710b Thomas Gleixner 2010-10-01 74 #endif
e144710b Thomas Gleixner 2010-10-01 75
e144710b Thomas Gleixner 2010-10-01 76 #ifdef CONFIG_GENERIC_HARDIRQS
e144710b Thomas Gleixner 2010-10-01 77
d9936bb3 Thomas Gleixner 2011-03-11 78 static inline struct irq_data *irq_desc_get_irq_data(struct irq_desc *desc)
d9936bb3 Thomas Gleixner 2011-03-11 79 {
d9936bb3 Thomas Gleixner 2011-03-11 80 return &desc->irq_data;
d9936bb3 Thomas Gleixner 2011-03-11 81 }
The code at line 73 was first introduced by commit:
e144710 genirq: Distangle irq.h
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0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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