x86/events: Use sysfs_emit() for cpumask show callbacks

These callbacks are sysfs show paths.

Use sysfs_emit() and cpumask_pr_args() to emit the masks.

This prepares for removing cpumap_print_to_pagebuf().

Signed-off-by: Yury Norov <ynorov@nvidia.com>

arch/x86/events/amd/iommu.c

@@ -137,7 +137,7 @@ static ssize_t _iommu_cpumask_show(struct device *dev,
 				   struct device_attribute *attr,
 				   char *buf)
 {
-	return cpumap_print_to_pagebuf(true, buf, &iommu_cpumask);
+	return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&iommu_cpumask));
 }
 static DEVICE_ATTR(cpumask, S_IRUGO, _iommu_cpumask_show, NULL);
 

arch/x86/events/amd/power.c

@@ -150,7 +150,7 @@ static void pmu_event_read(struct perf_event *event)
 static ssize_t
 get_attr_cpumask(struct device *dev, struct device_attribute *attr, char *buf)
 {
-	return cpumap_print_to_pagebuf(true, buf, &cpu_mask);
+	return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&cpu_mask));
 }
 
 static DEVICE_ATTR(cpumask, S_IRUGO, get_attr_cpumask, NULL);

arch/x86/events/amd/uncore.c

@@ -322,7 +322,7 @@ static ssize_t amd_uncore_attr_show_cpumask(struct device *dev,
 	struct pmu *ptr = dev_get_drvdata(dev);
 	struct amd_uncore_pmu *pmu = container_of(ptr, struct amd_uncore_pmu, pmu);
 
-	return cpumap_print_to_pagebuf(true, buf, &pmu->active_mask);
+	return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&pmu->active_mask));
 }
 static DEVICE_ATTR(cpumask, S_IRUGO, amd_uncore_attr_show_cpumask, NULL);
 

arch/x86/events/intel/core.c

@@ -7564,7 +7564,7 @@ static ssize_t intel_hybrid_get_attr_cpus(struct device *dev,
 	struct x86_hybrid_pmu *pmu =
 		container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu);
 
-	return cpumap_print_to_pagebuf(true, buf, &pmu->supported_cpus);
+	return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&pmu->supported_cpus));
 }
 
 static DEVICE_ATTR(cpus, S_IRUGO, intel_hybrid_get_attr_cpus, NULL);

arch/x86/events/intel/uncore.c

@@ -861,7 +861,7 @@ static ssize_t uncore_get_attr_cpumask(struct device *dev,
 {
 	struct intel_uncore_pmu *pmu = container_of(dev_get_drvdata(dev), struct intel_uncore_pmu, pmu);
 
-	return cpumap_print_to_pagebuf(true, buf, &pmu->cpu_mask);
+	return sysfs_emit(buf, "%*pbl\n", cpumask_pr_args(&pmu->cpu_mask));
 }
 
 static DEVICE_ATTR(cpumask, S_IRUGO, uncore_get_attr_cpumask, NULL);