[PATCH] add EXPORT_SYMBOL(set_current_blocked)

[Oleg Nesterov]

Export set_current_blocked() for modules. We have the code which
wrongly plays with ->blocked, and sigprocmask() should be avoided.

Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
---

 kernel/signal.c |    1 +
 1 file changed, 1 insertion(+)

--- 3.1/kernel/signal.c~export_set_current_blocked	2011-08-25 18:23:42.000000000 +0200
+++ 3.1/kernel/signal.c	2011-08-25 18:24:02.000000000 +0200
@@ -2463,6 +2463,7 @@ void set_current_blocked(const sigset_t 
 	__set_task_blocked(tsk, newset);
 	spin_unlock_irq(&tsk->sighand->siglock);
 }
+EXPORT_SYMBOL(set_current_blocked);
 
 /*
  * This is also useful for kernel threads that want to temporarily

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