diff options
Diffstat (limited to 'arch/x86/oprofile/init.c')
| -rw-r--r-- | arch/x86/oprofile/init.c | 36 |
1 files changed, 13 insertions, 23 deletions
diff --git a/arch/x86/oprofile/init.c b/arch/x86/oprofile/init.c index 5341d481d92..9e138d00ad3 100644 --- a/arch/x86/oprofile/init.c +++ b/arch/x86/oprofile/init.c @@ -10,39 +10,29 @@ #include <linux/oprofile.h> #include <linux/init.h> #include <linux/errno.h> - -/* We support CPUs that have performance counters like the Pentium Pro + +/* + * 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); + +#ifdef CONFIG_X86_LOCAL_APIC +extern int op_nmi_init(struct oprofile_operations *ops); extern void op_nmi_exit(void); -extern void x86_backtrace(struct pt_regs * const regs, unsigned int depth); +#else +static int op_nmi_init(struct oprofile_operations *ops) { return -ENODEV; } +static void op_nmi_exit(void) { } +#endif +extern void x86_backtrace(struct pt_regs * const regs, unsigned int depth); -int __init oprofile_arch_init(struct oprofile_operations * ops) +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; + return op_nmi_init(ops); } - void oprofile_arch_exit(void) { -#ifdef CONFIG_X86_LOCAL_APIC op_nmi_exit(); -#endif } |