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| author | Ingo Molnar <mingo@elte.hu> | 2012-02-28 10:26:07 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-02-28 10:27:36 +0100 |
| commit | 458ce2910aa83d8a2cafb489d727f7da839e73c6 (patch) | |
| tree | 28e088137eb068e5620f17eaf0ca19d1562006ed /arch/x86/oprofile/init.c | |
| parent | 69466466ce889cd2cbc8cda9ff1c6083f48cc7f9 (diff) | |
| parent | 586c6e7013c8cbb8c91aaa6568ec349b1dc2c691 (diff) | |
Merge branch 'linus' into x86/asm
Sync up the latest NMI fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/oprofile/init.c')
| -rw-r--r-- | arch/x86/oprofile/init.c | 30 |
1 files changed, 8 insertions, 22 deletions
diff --git a/arch/x86/oprofile/init.c b/arch/x86/oprofile/init.c index f148cf65267..9e138d00ad3 100644 --- a/arch/x86/oprofile/init.c +++ b/arch/x86/oprofile/init.c @@ -16,37 +16,23 @@ * with the NMI mode driver. */ +#ifdef CONFIG_X86_LOCAL_APIC 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); +#else +static int op_nmi_init(struct oprofile_operations *ops) { return -ENODEV; } +static void op_nmi_exit(void) { } +#endif -static int nmi_timer; +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 - nmi_timer = (ret != 0); -#ifdef CONFIG_X86_IO_APIC - if (nmi_timer) - 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 - if (!nmi_timer) - op_nmi_exit(); -#endif + op_nmi_exit(); } |