X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fksysfs.c;h=65daa5373ca6354afc0c575c1938ed1e9a08c300;hb=e87cb5db0dc357473ac71801051954ddd6ff604f;hp=2565e1b6dd7becc4def8504fd8b4cd65973a48b8;hpb=d638d4990bfb99998420e78e8fd4607bca5cf8d0;p=linux-2.6

diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 2565e1b6dd..65daa5373c 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kexec.h>
+#include <linux/sched.h>
 
 #define KERNEL_ATTR_RO(_name) \
 static struct subsys_attribute _name##_attr = __ATTR_RO(_name)
@@ -60,13 +61,22 @@ static ssize_t kexec_crash_loaded_show(struct kset *kset, char *page)
 	return sprintf(page, "%d\n", !!kexec_crash_image);
 }
 KERNEL_ATTR_RO(kexec_crash_loaded);
+
+static ssize_t vmcoreinfo_show(struct kset *kset, char *page)
+{
+	return sprintf(page, "%lx %x\n",
+		       paddr_vmcoreinfo_note(),
+		       (unsigned int)vmcoreinfo_max_size);
+}
+KERNEL_ATTR_RO(vmcoreinfo);
+
 #endif /* CONFIG_KEXEC */
 
 /*
  * Make /sys/kernel/notes give the raw contents of our kernel .notes section.
  */
-extern const char __start_notes __attribute__((weak));
-extern const char __stop_notes __attribute__((weak));
+extern const void __start_notes __attribute__((weak));
+extern const void __stop_notes __attribute__((weak));
 #define	notes_size (&__stop_notes - &__start_notes)
 
 static ssize_t notes_read(struct kobject *kobj, struct bin_attribute *bin_attr,
@@ -95,6 +105,7 @@ static struct attribute * kernel_attrs[] = {
 #ifdef CONFIG_KEXEC
 	&kexec_loaded_attr.attr,
 	&kexec_crash_loaded_attr.attr,
+	&vmcoreinfo_attr.attr,
 #endif
 	NULL
 };
@@ -116,6 +127,13 @@ static int __init ksysfs_init(void)
 					      &notes_attr);
 	}
 
+	/*
+	 * Create "/sys/kernel/uids" directory and corresponding root user's
+	 * directory under it.
+	 */
+	if (!error)
+		error = uids_kobject_init();
+
 	return error;
 }