diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-12-15 08:21:21 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-12-15 08:21:30 +0100 |
| commit | 6a54aebf6978e9f296a4d3da3e40af425163c22e (patch) | |
| tree | 8217c7114db02d8b69c22fc44880749426949bc3 /arch/x86/oprofile/init.c | |
| parent | 067491b7313c41f49607fce782d29344d1472587 (diff) | |
| parent | dc47ce90c3a822cd7c9e9339fe4d5f61dcb26b50 (diff) | |
Merge commit 'v3.2-rc5' into sched/core
Merge reason: Pick up the latest 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 | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/oprofile/init.c b/arch/x86/oprofile/init.c index cdfe4c54deca..f148cf652678 100644 --- a/arch/x86/oprofile/init.c +++ b/arch/x86/oprofile/init.c @@ -21,6 +21,7 @@ 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); +static int nmi_timer; int __init oprofile_arch_init(struct oprofile_operations *ops) { @@ -31,8 +32,9 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) #ifdef CONFIG_X86_LOCAL_APIC ret = op_nmi_init(ops); #endif + nmi_timer = (ret != 0); #ifdef CONFIG_X86_IO_APIC - if (ret < 0) + if (nmi_timer) ret = op_nmi_timer_init(ops); #endif ops->backtrace = x86_backtrace; @@ -44,6 +46,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops) void oprofile_arch_exit(void) { #ifdef CONFIG_X86_LOCAL_APIC - op_nmi_exit(); + if (!nmi_timer) + op_nmi_exit(); #endif } |