Merge "driver-core: cpu: Make isolate node read-only" (c5190e5b) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/base/cpu.c

+3 −27

Original line number	Diff line number	Diff line
		@@ -182,7 +182,7 @@ static struct attribute_group crash_note_cpu_attr_group = {

		#ifdef CONFIG_HOTPLUG_CPU

		static ssize_t show_cpu_isolated(struct device *dev,
		static ssize_t isolate_show(struct device *dev,
		struct device_attribute attr, char buf)
		{
		struct cpu *cpu = container_of(dev, struct cpu, dev);
		@@ -195,31 +195,7 @@ static ssize_t show_cpu_isolated(struct device *dev,
		return rc;
		}

		static ssize_t __ref store_cpu_isolated(struct device *dev,
		struct device_attribute *attr,
		const char *buf, size_t count)
		{
		struct cpu *cpu = container_of(dev, struct cpu, dev);
		int err;
		int cpuid = cpu->dev.id;
		unsigned int isolated;

		err = kstrtouint(strstrip((char *)buf), 0, &isolated);
		if (err)
		return err;

		if (isolated > 1)
		return -EINVAL;

		if (isolated)
		sched_isolate_cpu(cpuid);
		else
		sched_unisolate_cpu(cpuid);

		return count;
		}

		static DEVICE_ATTR(isolate, 0644, show_cpu_isolated, store_cpu_isolated);
		static DEVICE_ATTR_RO(isolate);

		static struct attribute *cpu_isolated_attrs[] = {
		&dev_attr_isolate.attr,