[PATCH] lightweight robust futexes: core

Add the core infrastructure for robust futexes: structure definitions, the new
syscalls and the do_exit() based cleanup mechanism.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Arjan van de Ven <arjan@infradead.org>
Acked-by: Ulrich Drepper <drepper@redhat.com>
Cc: Michael Kerrisk <mtk-manpages@gmx.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/exit.c b/kernel/exit.c
index 8037405e136e..aecb48ca7370 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -31,6 +31,7 @@
 #include <linux/signal.h>
 #include <linux/cn_proc.h>
 #include <linux/mutex.h>
+#include <linux/futex.h>
 
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
@@ -852,6 +853,8 @@ fastcall NORET_TYPE void do_exit(long code)
                 exit_itimers(tsk->signal);
                 acct_process(code);
         }
+        if (unlikely(tsk->robust_list))
+                exit_robust_list(tsk);
         exit_mm(tsk);
 
         exit_sem(tsk);