oprofile: rename variable ibs_allowed to has_ibs in op_model_amd.c
authorRobert Richter <robert.richter@amd.com>
Wed, 17 Dec 2008 23:28:27 +0000 (00:28 +0100)
committerRobert Richter <robert.richter@amd.com>
Wed, 7 Jan 2009 21:34:21 +0000 (22:34 +0100)
This patch renames ibs_allowed to has_ibs. Varible name fits better
now.

Signed-off-by: Robert Richter <robert.richter@amd.com>
arch/x86/oprofile/op_model_amd.c

index c5b5c7fb3ceda286cd5f24764e6307f344f16fc6..423a95438cbc7d620bdf250263b0e90eb5325200 100644 (file)
@@ -106,7 +106,7 @@ struct ibs_op_sample {
        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;
@@ -201,7 +201,7 @@ op_amd_handle_ibs(struct pt_regs * const regs,
        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) {
@@ -305,14 +305,14 @@ static void op_amd_start(struct op_msrs const * const msrs)
        }
 
 #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;
@@ -341,14 +341,14 @@ static void op_amd_stop(struct op_msrs const * const msrs)
        }
 
 #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;
@@ -437,20 +437,20 @@ static int init_ibs_nmi(void)
 /* 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;
        }
 
@@ -459,7 +459,7 @@ static void ibs_init(void)
 
 static void ibs_exit(void)
 {
-       if (!ibs_allowed)
+       if (!has_ibs)
                return;
 
        clear_ibs_nmi();
@@ -479,7 +479,7 @@ static int setup_ibs_files(struct super_block *sb, struct dentry *root)
        if (ret)
                return ret;
 
-       if (!ibs_allowed)
+       if (!has_ibs)
                return ret;
 
        /* model specific files */