perf_counter, x86: rename cpuc->active_mask

This is to have a consistent naming scheme with cpuc->used.

[ Impact: cleanup ]
Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: Paul Mackerras <paulus@samba.org>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1241002046-8832-19-git-send-email-robert.richter@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/cpu/perf_counter.c

@@ -29,9 +29,9 @@ static u64 perf_counter_mask __read_mostly;
 struct cpu_hw_counters {
 	struct perf_counter	*counters[X86_PMC_IDX_MAX];
 	unsigned long		used[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
+	unsigned long		active[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
 	unsigned long		interrupts;
 	u64			throttle_ctrl;
-	unsigned long		active_mask[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
 	int			enabled;
 };
 
@@ -334,7 +334,7 @@ static u64 amd_pmu_save_disable_all(void)
 	for (idx = 0; idx < x86_pmu.num_counters; idx++) {
 		u64 val;
 
-		if (!test_bit(idx, cpuc->active_mask))
+		if (!test_bit(idx, cpuc->active))
 			continue;
 		rdmsrl(MSR_K7_EVNTSEL0 + idx, val);
 		if (!(val & ARCH_PERFMON_EVENTSEL0_ENABLE))
@@ -376,7 +376,7 @@ static void amd_pmu_restore_all(u64 ctrl)
 	for (idx = 0; idx < x86_pmu.num_counters; idx++) {
 		u64 val;
 
-		if (!test_bit(idx, cpuc->active_mask))
+		if (!test_bit(idx, cpuc->active))
 			continue;
 		rdmsrl(MSR_K7_EVNTSEL0 + idx, val);
 		if (val & ARCH_PERFMON_EVENTSEL0_ENABLE)
@@ -424,7 +424,7 @@ static void amd_pmu_enable_counter(int idx, u64 config)
 {
 	struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
 
-	set_bit(idx, cpuc->active_mask);
+	set_bit(idx, cpuc->active);
 	if (cpuc->enabled)
 		config |= ARCH_PERFMON_EVENTSEL0_ENABLE;
 
@@ -448,7 +448,7 @@ static void amd_pmu_disable_counter(int idx, u64 config)
 {
 	struct cpu_hw_counters *cpuc = &__get_cpu_var(cpu_hw_counters);
 
-	clear_bit(idx, cpuc->active_mask);
+	clear_bit(idx, cpuc->active);
 	wrmsrl(MSR_K7_EVNTSEL0 + idx, config);
 
 }