sched: remove long deprecated CLONE_STOPPED flag

This warning was added in commit bdff746a3915 ("clone: prepare to recycle
CLONE_STOPPED") three years ago.  2.6.26 came and went.  As far as I know,
no-one is actually using CLONE_STOPPED.

Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 27 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index d9b44f20b6b0..76a1fdd80bdf 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1410,23 +1410,6 @@ long do_fork(unsigned long clone_flags,
         }
 
         /*
-         * We hope to recycle these flags after 2.6.26
-         */
-        if (unlikely(clone_flags & CLONE_STOPPED)) {
-                static int __read_mostly count = 100;
-
-                if (count > 0 && printk_ratelimit()) {
-                        char comm[TASK_COMM_LEN];
-
-                        count--;
-                        printk(KERN_INFO "fork(): process `%s' used deprecated "
-                                        "clone flags 0x%lx\n",
-                                get_task_comm(comm, current),
-                                clone_flags & CLONE_STOPPED);
-                }
-        }
-
-        /*
          * When called from kernel_thread, don't do user tracing stuff.
          */
         if (likely(user_mode(regs)))
@@ -1464,16 +1447,7 @@ long do_fork(unsigned long clone_flags,
                  */
                 p->flags &= ~PF_STARTING;
 
-                if (unlikely(clone_flags & CLONE_STOPPED)) {
-                        /*
-                         * We'll start up with an immediate SIGSTOP.
-                         */
-                        sigaddset(&p->pending.signal, SIGSTOP);
-                        set_tsk_thread_flag(p, TIF_SIGPENDING);
-                        __set_task_state(p, TASK_STOPPED);
-                } else {
-                        wake_up_new_task(p, clone_flags);
-                }
+                wake_up_new_task(p, clone_flags);
 
                 tracehook_report_clone_complete(trace, regs,
                                                 clone_flags, nr, p);