1 files changed, 20 insertions, 0 deletions

diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index c31f87bbf436..388ee15e0e42 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -31,6 +31,26 @@ static DEFINE_PER_CPU(unsigned long, saved_lvtpc);
 /* 0 == registered but off, 1 == registered and on */
 static int nmi_enabled = 0;
 
+/* common functions */
+
+u64 op_x86_get_ctrl(struct op_x86_model_spec const *model,
+                    struct op_counter_config *counter_config)
+{
+        u64 val = 0;
+        u16 event = (u16)counter_config->event;
+
+        val |= ARCH_PERFMON_EVENTSEL_INT;
+        val |= counter_config->user ? ARCH_PERFMON_EVENTSEL_USR : 0;
+        val |= counter_config->kernel ? ARCH_PERFMON_EVENTSEL_OS : 0;
+        val |= (counter_config->unit_mask & 0xFF) << 8;
+        event &= model->event_mask ? model->event_mask : 0xFF;
+        val |= event & 0xFF;
+        val |= (event & 0x0F00) << 24;
+
+        return val;
+}
+
+
 static int profile_exceptions_notify(struct notifier_block *self,
                                      unsigned long val, void *data)
 {