Maemo patchset 20101501+0m5

[h-e-n] / arch / arm / kernel / process.c

diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index d3ea6fa..7be518f 100644 (file)
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -29,6 +29,7 @@
 #include <linux/tick.h>
 #include <linux/utsname.h>
 #include <linux/uaccess.h>
+#include <linux/kobject.h>
 
 #include <asm/leds.h>
 #include <asm/processor.h>
@@ -199,6 +200,33 @@ void machine_restart(char * __unused)
        arm_pm_restart(reboot_mode);
 }
 
+static ssize_t reboot_mode_show(struct kobject *kobj,
+                               struct kobj_attribute *attr, char *buf)
+{
+       return sprintf(buf, "%c\n", reboot_mode);
+}
+
+static ssize_t reboot_mode_store(struct kobject *kobj,
+                                struct kobj_attribute *attr,
+                                const char *buf, size_t n)
+{
+       if (n < 1)
+               return -EINVAL;
+       reboot_mode = buf[0];
+
+       return n;
+}
+
+static struct kobj_attribute reboot_mode_attr =
+       __ATTR(reboot_mode, 0644, reboot_mode_show, reboot_mode_store);
+
+static int __init reboot_mode_sysfs_init(void)
+{
+       return sysfs_create_file(kernel_kobj, &reboot_mode_attr.attr);
+}
+
+__initcall(reboot_mode_sysfs_init);
+
 void __show_regs(struct pt_regs *regs)
 {
        unsigned long flags;
@@ -321,6 +349,15 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long stack_start,
 }
 
 /*
+ * Fill in the task's elfregs structure for a core dump
+ */
+int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs)
+{
+       elf_core_copy_regs(elfregs, task_pt_regs(t));
+       return 1;
+}
+
+/*
  * fill in the fpe structure for a core dump...
  */
 int dump_fpu (struct pt_regs *regs, struct user_fp *fp)