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Commit eaa95840 authored by Yinghai Lu's avatar Yinghai Lu Committed by Rusty Russell
Browse files

cpumask: alloc zeroed cpumask for static cpumask_var_ts 



These are defined as static cpumask_var_t so if MAXSMP is not used,
they are cleared already.  Avoid surprises when MAXSMP is enabled.

Signed-off-by: default avatarYinghai Lu <yinghai.lu@kernel.org>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 0281b5dc

arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c

+1 −1
Original line number Diff line number Diff line
@@ -550,7 +550,7 @@ static int __init acpi_cpufreq_early_init(void) 
		return -ENOMEM;

	}

	for_each_possible_cpu(i) {

		if (!alloc_cpumask_var_node(

		if (!zalloc_cpumask_var_node(

			&per_cpu_ptr(acpi_perf_data, i)->shared_cpu_map,

			GFP_KERNEL, cpu_to_node(i))) {

arch/x86/kernel/cpu/cpufreq/powernow-k7.c

+1 −1
Original line number Diff line number Diff line
@@ -322,7 +322,7 @@ static int powernow_acpi_init(void) 
		goto err0;

	}



	if (!alloc_cpumask_var(&acpi_processor_perf->shared_cpu_map,

	if (!zalloc_cpumask_var(&acpi_processor_perf->shared_cpu_map,

								GFP_KERNEL)) {

		retval = -ENOMEM;

		goto err05;

arch/x86/kernel/cpu/cpufreq/powernow-k8.c

+1 −1
Original line number Diff line number Diff line
@@ -887,7 +887,7 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data) 
	/* notify BIOS that we exist */

	acpi_processor_notify_smm(THIS_MODULE);



	if (!alloc_cpumask_var(&data->acpi_data.shared_cpu_map, GFP_KERNEL)) {

	if (!zalloc_cpumask_var(&data->acpi_data.shared_cpu_map, GFP_KERNEL)) {

		printk(KERN_ERR PFX

				"unable to alloc powernow_k8_data cpumask\n");

		ret_val = -ENOMEM;

arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c

+1 −1
Original line number Diff line number Diff line
@@ -471,7 +471,7 @@ static int centrino_target (struct cpufreq_policy *policy, 


	if (unlikely(!alloc_cpumask_var(&saved_mask, GFP_KERNEL)))

		return -ENOMEM;

	if (unlikely(!alloc_cpumask_var(&covered_cpus, GFP_KERNEL))) {

	if (unlikely(!zalloc_cpumask_var(&covered_cpus, GFP_KERNEL))) {

		free_cpumask_var(saved_mask);

		return -ENOMEM;

	}

arch/x86/kernel/cpu/mcheck/mce_64.c

+1 −1
Original line number Diff line number Diff line
@@ -1163,7 +1163,7 @@ static __init int mce_init_device(void) 
	if (!mce_available(&boot_cpu_data))

		return -EIO;



	alloc_cpumask_var(&mce_device_initialized, GFP_KERNEL);

	zalloc_cpumask_var(&mce_device_initialized, GFP_KERNEL);



	err = mce_init_banks();

	if (err)