unsigned int ibs_dc_phys_high;
 };
 
-static int ibs_allowed;        /* AMD Family10h and later */
+static int has_ibs;    /* AMD Family10h and later */
 
 struct op_ibs_config {
        unsigned long op_enabled;
        struct ibs_fetch_sample ibs_fetch;
        struct ibs_op_sample ibs_op;
 
-       if (!ibs_allowed)
+       if (!has_ibs)
                return 1;
 
        if (ibs_config.fetch_enabled) {
        }
 
 #ifdef CONFIG_OPROFILE_IBS
-       if (ibs_allowed && ibs_config.fetch_enabled) {
+       if (has_ibs && ibs_config.fetch_enabled) {
                low = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF;
                high = ((ibs_config.rand_en & 0x1) << 25) /* bit 57 */
                        + IBS_FETCH_HIGH_ENABLE;
                wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
        }
 
-       if (ibs_allowed && ibs_config.op_enabled) {
+       if (has_ibs && ibs_config.op_enabled) {
                low = ((ibs_config.max_cnt_op >> 4) & 0xFFFF)
                        + ((ibs_config.dispatched_ops & 0x1) << 19) /* bit 19 */
                        + IBS_OP_LOW_ENABLE;
        }
 
 #ifdef CONFIG_OPROFILE_IBS
-       if (ibs_allowed && ibs_config.fetch_enabled) {
+       if (has_ibs && ibs_config.fetch_enabled) {
                /* clear max count and enable */
                low = 0;
                high = 0;
                wrmsr(MSR_AMD64_IBSFETCHCTL, low, high);
        }
 
-       if (ibs_allowed && ibs_config.op_enabled) {
+       if (has_ibs && ibs_config.op_enabled) {
                /* clear max count and enable */
                low = 0;
                high = 0;
 /* uninitialize the APIC for the IBS interrupts if needed */
 static void clear_ibs_nmi(void)
 {
-       if (ibs_allowed)
+       if (has_ibs)
                on_each_cpu(apic_clear_ibs_nmi_per_cpu, NULL, 1);
 }
 
 /* initialize the APIC for the IBS interrupts if available */
 static void ibs_init(void)
 {
-       ibs_allowed = boot_cpu_has(X86_FEATURE_IBS);
+       has_ibs = boot_cpu_has(X86_FEATURE_IBS);
 
-       if (!ibs_allowed)
+       if (!has_ibs)
                return;
 
        if (init_ibs_nmi()) {
-               ibs_allowed = 0;
+               has_ibs = 0;
                return;
        }
 
 
 static void ibs_exit(void)
 {
-       if (!ibs_allowed)
+       if (!has_ibs)
                return;
 
        clear_ibs_nmi();
        if (ret)
                return ret;
 
-       if (!ibs_allowed)
+       if (!has_ibs)
                return ret;
 
        /* model specific files */