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authorH. Peter Anvin <hpa@linux.intel.com>2013-01-29 14:59:09 -0800
committerH. Peter Anvin <hpa@linux.intel.com>2013-01-29 15:10:15 -0800
commitde65d816aa44f9ddd79861ae21d75010cc1fd003 (patch)
tree04a637a43b2e52a733d0dcb7595a47057571e7da /kernel/ksysfs.c
parent9710f581bb4c35589ac046b0cfc0deb7f369fc85 (diff)
parent5dcd14ecd41ea2b3ae3295a9b30d98769d52165f (diff)
Merge remote-tracking branch 'origin/x86/boot' into x86/mm2
Coming patches to x86/mm2 require the changes and advanced baseline in x86/boot. Resolved Conflicts: arch/x86/kernel/setup.c mm/nobootmem.c Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'kernel/ksysfs.c')
-rw-r--r--kernel/ksysfs.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 4e316e1acf5..6ada93c23a9 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
};