x86/oprofile: Fix cast of counter value
[linux-2.6.git] / arch / x86 / oprofile / op_model_p4.c
index f01e53b..9db9e36 100644 (file)
@@ -580,7 +580,7 @@ static void p4_setup_ctrs(struct op_x86_model_spec const *model,
                        reset_value[i] = counter_config[i].count;
                        pmc_setup_one_p4_counter(i);
                        wrmsrl(p4_counters[VIRT_CTR(stag, i)].counter_address,
-                              -(s64)counter_config[i].count);
+                              -(u64)counter_config[i].count);
                } else {
                        reset_value[i] = 0;
                }
@@ -625,11 +625,11 @@ static int p4_check_ctrs(struct pt_regs * const regs,
                if (CCCR_OVF_P(low) || !(ctr & OP_CTR_OVERFLOW)) {
                        oprofile_add_sample(regs, i);
                        wrmsrl(p4_counters[real].counter_address,
-                              -(s64)reset_value[i]);
+                              -(u64)reset_value[i]);
                        CCCR_CLEAR_OVF(low);
                        wrmsr(p4_counters[real].cccr_address, low, high);
                        wrmsrl(p4_counters[real].counter_address,
-                              -(s64)reset_value[i]);
+                              -(u64)reset_value[i]);
                }
        }