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-rw-r--r--kernel/ksysfs.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 1d4bc493b2..495b69a71a 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -39,7 +39,7 @@ static struct kobj_attribute _name##_attr = __ATTR_RW(_name)
static ssize_t uevent_seqnum_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
- return sysfs_emit(buf, "%llu\n", (unsigned long long)uevent_seqnum);
+ return sysfs_emit(buf, "%llu\n", (u64)atomic64_read(&uevent_seqnum));
}
KERNEL_ATTR_RO(uevent_seqnum);
@@ -120,6 +120,7 @@ static ssize_t kexec_loaded_show(struct kobject *kobj,
}
KERNEL_ATTR_RO(kexec_loaded);
+#ifdef CONFIG_CRASH_DUMP
static ssize_t kexec_crash_loaded_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
@@ -152,9 +153,10 @@ static ssize_t kexec_crash_size_store(struct kobject *kobj,
}
KERNEL_ATTR_RW(kexec_crash_size);
+#endif /* CONFIG_CRASH_DUMP*/
#endif /* CONFIG_KEXEC_CORE */
-#ifdef CONFIG_CRASH_CORE
+#ifdef CONFIG_VMCORE_INFO
static ssize_t vmcoreinfo_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
@@ -177,7 +179,7 @@ KERNEL_ATTR_RO(crash_elfcorehdr_size);
#endif
-#endif /* CONFIG_CRASH_CORE */
+#endif /* CONFIG_VMCORE_INFO */
/* whether file capabilities are enabled */
static ssize_t fscaps_show(struct kobject *kobj,
@@ -262,10 +264,12 @@ static struct attribute * kernel_attrs[] = {
#endif
#ifdef CONFIG_KEXEC_CORE
&kexec_loaded_attr.attr,
+#ifdef CONFIG_CRASH_DUMP
&kexec_crash_loaded_attr.attr,
&kexec_crash_size_attr.attr,
#endif
-#ifdef CONFIG_CRASH_CORE
+#endif
+#ifdef CONFIG_VMCORE_INFO
&vmcoreinfo_attr.attr,
#ifdef CONFIG_CRASH_HOTPLUG
&crash_elfcorehdr_size_attr.attr,