#include <linux/module.h>
#include <linux/init.h>
+u64 uevent_seqnum;
+char uevent_helper[UEVENT_HELPER_PATH_LEN] = "/sbin/hotplug";
+
#define KERNEL_ATTR_RO(_name) \
static struct subsys_attribute _name##_attr = __ATTR_RO(_name)
/* current uevent sequence number */
static ssize_t uevent_seqnum_show(struct subsystem *subsys, char *page)
{
- return sprintf(page, "%llu\n", (unsigned long long)hotplug_seqnum);
+ return sprintf(page, "%llu\n", (unsigned long long)uevent_seqnum);
}
KERNEL_ATTR_RO(uevent_seqnum);
/* uevent helper program, used during early boo */
static ssize_t uevent_helper_show(struct subsystem *subsys, char *page)
{
- return sprintf(page, "%s\n", hotplug_path);
+ return sprintf(page, "%s\n", uevent_helper);
}
static ssize_t uevent_helper_store(struct subsystem *subsys, const char *page, size_t count)
{
- if (count+1 > HOTPLUG_PATH_LEN)
+ if (count+1 > UEVENT_HELPER_PATH_LEN)
return -ENOENT;
- memcpy(hotplug_path, page, count);
- hotplug_path[count] = '\0';
- if (count && hotplug_path[count-1] == '\n')
- hotplug_path[count-1] = '\0';
+ memcpy(uevent_helper, page, count);
+ uevent_helper[count] = '\0';
+ if (count && uevent_helper[count-1] == '\n')
+ uevent_helper[count-1] = '\0';
return count;
}
KERNEL_ATTR_RW(uevent_helper);
#endif
-#ifdef CONFIG_KEXEC
-#include <asm/kexec.h>
-
-static ssize_t crash_notes_show(struct subsystem *subsys, char *page)
-{
- return sprintf(page, "%p\n", (void *)crash_notes);
-}
-KERNEL_ATTR_RO(crash_notes);
-#endif
-
decl_subsys(kernel, NULL, NULL);
EXPORT_SYMBOL_GPL(kernel_subsys);
#ifdef CONFIG_HOTPLUG
&uevent_seqnum_attr.attr,
&uevent_helper_attr.attr,
-#endif
-#ifdef CONFIG_KEXEC
- &crash_notes_attr.attr,
#endif
NULL
};