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Diffstat (limited to 'kernel/ksysfs.c')
-rw-r--r--kernel/ksysfs.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 9659d38e008..6683ccef9ff 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -18,6 +18,9 @@
#include <linux/stat.h>
#include <linux/sched.h>
#include <linux/capability.h>
+#include <linux/compiler.h>
+
+#include <linux/rcupdate.h> /* rcu_expedited */
#define KERNEL_ATTR_RO(_name) \
static struct kobj_attribute _name##_attr = __ATTR_RO(_name)
@@ -34,6 +37,7 @@ static ssize_t uevent_seqnum_show(struct kobject *kobj,
}
KERNEL_ATTR_RO(uevent_seqnum);
+#ifdef CONFIG_UEVENT_HELPER
/* uevent helper program, used during early boot */
static ssize_t uevent_helper_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
@@ -53,7 +57,7 @@ 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,
@@ -126,7 +130,7 @@ static ssize_t vmcoreinfo_show(struct kobject *kobj,
{
return sprintf(buf, "%lx %x\n",
paddr_vmcoreinfo_note(),
- (unsigned int)vmcoreinfo_max_size);
+ (unsigned int)sizeof(vmcoreinfo_note));
}
KERNEL_ATTR_RO(vmcoreinfo);
@@ -160,8 +164,8 @@ KERNEL_ATTR_RW(rcu_expedited);
/*
* Make /sys/kernel/notes give the raw contents of our kernel .notes section.
*/
-extern const void __start_notes __attribute__((weak));
-extern const void __stop_notes __attribute__((weak));
+extern const void __start_notes __weak;
+extern const void __stop_notes __weak;
#define notes_size (&__stop_notes - &__start_notes)
static ssize_t notes_read(struct file *filp, struct kobject *kobj,
@@ -186,7 +190,9 @@ EXPORT_SYMBOL_GPL(kernel_kobj);
static struct attribute * kernel_attrs[] = {
&fscaps_attr.attr,
&uevent_seqnum_attr.attr,
+#ifdef CONFIG_UEVENT_HELPER
&uevent_helper_attr.attr,
+#endif
#ifdef CONFIG_PROFILING
&profiling_attr.attr,
#endif