X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=kernel%2Fksysfs.c;h=6ada93c23a9ac55e0c5aaebe9fcd98c05f2c84dd;hb=22a40fd9a60388aec8106b0baffc8f59f83bb1b4;hp=4e316e1acf584dda201b2b7ee9369a05590229a3;hpb=420174afdc7023c000e5b5b1b6fe9e028470c713;p=karo-tx-linux.git

diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 4e316e1acf58..6ada93c23a9a 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -26,7 +26,6 @@ static struct kobj_attribute _name##_attr = __ATTR_RO(_name)
 static struct kobj_attribute _name##_attr = \
 	__ATTR(_name, 0644, _name##_show, _name##_store)
 
-#if defined(CONFIG_HOTPLUG)
 /* current uevent sequence number */
 static ssize_t uevent_seqnum_show(struct kobject *kobj,
 				  struct kobj_attribute *attr, char *buf)
@@ -54,7 +53,7 @@ static ssize_t uevent_helper_store(struct kobject *kobj,
 	return count;
 }
 KERNEL_ATTR_RW(uevent_helper);
-#endif
+
 
 #ifdef CONFIG_PROFILING
 static ssize_t profiling_show(struct kobject *kobj,
@@ -141,6 +140,23 @@ static ssize_t fscaps_show(struct kobject *kobj,
 }
 KERNEL_ATTR_RO(fscaps);
 
+int rcu_expedited;
+static ssize_t rcu_expedited_show(struct kobject *kobj,
+				  struct kobj_attribute *attr, char *buf)
+{
+	return sprintf(buf, "%d\n", rcu_expedited);
+}
+static ssize_t rcu_expedited_store(struct kobject *kobj,
+				   struct kobj_attribute *attr,
+				   const char *buf, size_t count)
+{
+	if (kstrtoint(buf, 0, &rcu_expedited))
+		return -EINVAL;
+
+	return count;
+}
+KERNEL_ATTR_RW(rcu_expedited);
+
 /*
  * Make /sys/kernel/notes give the raw contents of our kernel .notes section.
  */
@@ -169,10 +185,8 @@ EXPORT_SYMBOL_GPL(kernel_kobj);
 
 static struct attribute * kernel_attrs[] = {
 	&fscaps_attr.attr,
-#if defined(CONFIG_HOTPLUG)
 	&uevent_seqnum_attr.attr,
 	&uevent_helper_attr.attr,
-#endif
 #ifdef CONFIG_PROFILING
 	&profiling_attr.attr,
 #endif
@@ -182,6 +196,7 @@ static struct attribute * kernel_attrs[] = {
 	&kexec_crash_size_attr.attr,
 	&vmcoreinfo_attr.attr,
 #endif
+	&rcu_expedited_attr.attr,
 	NULL
 };