mirror of
https://github.com/torvalds/linux.git
synced 2024-11-13 23:51:39 +00:00
d717ca84c0
Before:
total: 5 errors, 4 warnings, 48 lines checked
After:
total: 0 errors, 4 warnings, 49 lines checked
No code changed:
arch/x86/oprofile/init.o:
text data bss dec hex filename
42 0 0 42 2a init.o.before
42 0 0 42 2a init.o.after
md5:
74c94c315cfbf245aeba36eceac57e66 init.o.before.asm
74c94c315cfbf245aeba36eceac57e66 init.o.after.asm
Signed-off-by: Paolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
50 lines
940 B
C
50 lines
940 B
C
/**
|
|
* @file init.c
|
|
*
|
|
* @remark Copyright 2002 OProfile authors
|
|
* @remark Read the file COPYING
|
|
*
|
|
* @author John Levon <levon@movementarian.org>
|
|
*/
|
|
|
|
#include <linux/oprofile.h>
|
|
#include <linux/init.h>
|
|
#include <linux/errno.h>
|
|
|
|
/*
|
|
* We support CPUs that have performance counters like the Pentium Pro
|
|
* with the NMI mode driver.
|
|
*/
|
|
|
|
extern int op_nmi_init(struct oprofile_operations *ops);
|
|
extern int op_nmi_timer_init(struct oprofile_operations *ops);
|
|
extern void op_nmi_exit(void);
|
|
extern void x86_backtrace(struct pt_regs * const regs, unsigned int depth);
|
|
|
|
|
|
int __init oprofile_arch_init(struct oprofile_operations *ops)
|
|
{
|
|
int ret;
|
|
|
|
ret = -ENODEV;
|
|
|
|
#ifdef CONFIG_X86_LOCAL_APIC
|
|
ret = op_nmi_init(ops);
|
|
#endif
|
|
#ifdef CONFIG_X86_IO_APIC
|
|
if (ret < 0)
|
|
ret = op_nmi_timer_init(ops);
|
|
#endif
|
|
ops->backtrace = x86_backtrace;
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
void oprofile_arch_exit(void)
|
|
{
|
|
#ifdef CONFIG_X86_LOCAL_APIC
|
|
op_nmi_exit();
|
|
#endif
|
|
}
|