X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=kernel%2Fexit.c;h=b0c6f0c3a2dfadd5e36647f2b0e5e5699174330d;hb=5351fb106a84d6ac584c2501e3b335093d38a58c;hp=92369240d91d3a9582b490da701be24a6f81795f;hpb=972d45fb43f0f0793fa275c4a22998106760cd61;p=powerpc.git

diff --git a/kernel/exit.c b/kernel/exit.c
index 92369240d9..b0c6f0c3a2 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -7,7 +7,6 @@
 #include <linux/mm.h>
 #include <linux/slab.h>
 #include <linux/interrupt.h>
-#include <linux/smp_lock.h>
 #include <linux/module.h>
 #include <linux/capability.h>
 #include <linux/completion.h>
@@ -27,6 +26,7 @@
 #include <linux/profile.h>
 #include <linux/mount.h>
 #include <linux/proc_fs.h>
+#include <linux/kthread.h>
 #include <linux/mempolicy.h>
 #include <linux/taskstats_kern.h>
 #include <linux/delayacct.h>
@@ -255,26 +255,25 @@ static int has_stopped_jobs(struct pid *pgrp)
 }
 
 /**
- * reparent_to_init - Reparent the calling kernel thread to the init task of the pid space that the thread belongs to.
+ * reparent_to_kthreadd - Reparent the calling kernel thread to kthreadd
  *
  * If a kernel thread is launched as a result of a system call, or if
- * it ever exits, it should generally reparent itself to init so that
- * it is correctly cleaned up on exit.
+ * it ever exits, it should generally reparent itself to kthreadd so it
+ * isn't in the way of other processes and is correctly cleaned up on exit.
  *
  * The various task state such as scheduling policy and priority may have
  * been inherited from a user process, so we reset them to sane values here.
  *
- * NOTE that reparent_to_init() gives the caller full capabilities.
+ * NOTE that reparent_to_kthreadd() gives the caller full capabilities.
  */
-static void reparent_to_init(void)
+static void reparent_to_kthreadd(void)
 {
 	write_lock_irq(&tasklist_lock);
 
 	ptrace_unlink(current);
 	/* Reparent to init */
 	remove_parent(current);
-	current->parent = child_reaper(current);
-	current->real_parent = child_reaper(current);
+	current->real_parent = current->parent = kthreadd_task;
 	add_parent(current);
 
 	/* Set the exit signal to SIGCHLD so we signal init on exit */
@@ -348,7 +347,7 @@ int disallow_signal(int sig)
 		return -EINVAL;
 
 	spin_lock_irq(&current->sighand->siglock);
-	sigaddset(&current->blocked, sig);
+	current->sighand->action[(sig)-1].sa.sa_handler = SIG_IGN;
 	recalc_sigpending();
 	spin_unlock_irq(&current->sighand->siglock);
 	return 0;
@@ -401,7 +400,7 @@ void daemonize(const char *name, ...)
 	current->files = init_task.files;
 	atomic_inc(&current->files->count);
 
-	reparent_to_init();
+	reparent_to_kthreadd();
 }
 
 EXPORT_SYMBOL(daemonize);