copy_process(): remove the unneeded clear_tsk_thread_flag(TIF_SIGPENDING)
authorOleg Nesterov <oleg@redhat.com>
Wed, 17 Jun 2009 23:27:37 +0000 (16:27 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 18 Jun 2009 20:03:52 +0000 (13:03 -0700)
The forked child can have TIF_SIGPENDING if it was copied from parent's
ti->flags.  But this is harmless and actually almost never happens,
because copy_process() can't succeed if signal_pending() == T.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/fork.c

index be022c200da67fdf1206761ba3adbb38a3208cdd..467746b3f0aa2eec5970c42f56a71d8ae1583b7f 100644 (file)
@@ -1029,7 +1029,6 @@ static struct task_struct *copy_process(unsigned long clone_flags,
        p->vfork_done = NULL;
        spin_lock_init(&p->alloc_lock);
 
-       clear_tsk_thread_flag(p, TIF_SIGPENDING);
        init_sigpending(&p->pending);
 
        p->utime = cputime_zero;