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kernel: fix two implicit header assumptions in irq_work.c 

Up until now, this file was getting percpu.h because nearly every
file was implicitly getting module.h (and all its sub-includes).
But we want to clean that up, so call out percpu.h explicitly.
Otherwise we'll get things like this on an ARM build:

kernel/irq_work.c:48: error: expected declaration specifiers or '...' before 'irq_work_list'
kernel/irq_work.c:48: warning: type defaults to 'int' in declaration of 'DEFINE_PER_CPU'

The same thing was happening for builds on ARM for asm/processor.h

kernel/irq_work.c: In function 'irq_work_sync':
kernel/irq_work.c:166: error: implicit declaration of function 'cpu_relax'

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
This commit is contained in:
Paul Gortmaker 2011-07-18 13:03:04 -04:00
parent 74da1ff713
commit 967d1f9062
1 changed files with 2 additions and 0 deletions
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kernel/irq_work.c
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@ -8,7 +8,9 @@
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/irq_work.h>
#include <linux/percpu.h>
#include <linux/hardirq.h>
#include <asm/processor.h>
/*
* An entry can be in one of four states: