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tracing/softirq: Move __raise_softirq_irqoff() out of header 

The __raise_softirq_irqoff() contains a tracepoint. As tracepoints in headers
can cause issues, and not to mention, bloats the kernel when they are
in a static inline, it is best to move the function that contains the
tracepoint out of the header and into softirq.c.

Link: http://lkml.kernel.org/r/20120118120711.GB14863@elte.hu

Suggested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Steven Rostedt 2012-01-25 20:18:55 -05:00 committed by Steven Rostedt
parent ac483c446b
commit f069686e4b
3 changed files with 9 additions and 6 deletions
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7
include/linux/interrupt.h
View File

@ -20,7 +20,6 @@
#include <linux/atomic.h>
#include <asm/ptrace.h>
#include <asm/system.h>
#include <trace/events/irq.h>
/*
* These correspond to the IORESOURCE_IRQ_* defines in
@ -456,11 +455,7 @@ asmlinkage void do_softirq(void);
asmlinkage void __do_softirq(void);
extern void open_softirq(int nr, void (*action)(struct softirq_action *));
extern void softirq_init(void);
static inline void __raise_softirq_irqoff(unsigned int nr)
{
trace_softirq_raise(nr);
or_softirq_pending(1UL << nr);
}
extern void __raise_softirq_irqoff(unsigned int nr);
extern void raise_softirq_irqoff(unsigned int nr);
extern void raise_softirq(unsigned int nr);

2
kernel/irq/chip.c
View File

@ -16,6 +16,8 @@
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
#include <trace/events/irq.h>
#include "internals.h"
/**

6
kernel/softirq.c
View File

@ -385,6 +385,12 @@ void raise_softirq(unsigned int nr)
local_irq_restore(flags);
}
void __raise_softirq_irqoff(unsigned int nr)
{
trace_softirq_raise(nr);
or_softirq_pending(1UL << nr);
}
void open_softirq(int nr, void (*action)(struct softirq_action *))
{
softirq_vec[nr].action = action;