diff options
| author | Paul Mundt <lethal@linux-sh.org> | 2009-08-15 13:00:02 +0900 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-08-15 13:00:02 +0900 |
| commit | 4b6b987969b076298485697bfb0d0e35502642a3 (patch) | |
| tree | a8f5ebd6a0b9efbe30272012d759669b0c5ddc13 /kernel/fork.c | |
| parent | df47cd096c8f54a5242e3a2ffb4525c804567eda (diff) | |
| parent | 60e0a4c7adc700f2d2929cdb2d0055e519a3eb3d (diff) | |
Merge branch 'master' into sh/hwblk
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 29b532e718f..021e1138556 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -568,18 +568,18 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm) * the value intact in a core dump, and to save the unnecessary * trouble otherwise. Userland only wants this done for a sys_exit. */ - if (tsk->clear_child_tid - && !(tsk->flags & PF_SIGNALED) - && atomic_read(&mm->mm_users) > 1) { - u32 __user * tidptr = tsk->clear_child_tid; + if (tsk->clear_child_tid) { + if (!(tsk->flags & PF_SIGNALED) && + atomic_read(&mm->mm_users) > 1) { + /* + * We don't check the error code - if userspace has + * not set up a proper pointer then tough luck. + */ + put_user(0, tsk->clear_child_tid); + sys_futex(tsk->clear_child_tid, FUTEX_WAKE, + 1, NULL, NULL, 0); + } tsk->clear_child_tid = NULL; - - /* - * We don't check the error code - if userspace has - * not set up a proper pointer then tough luck. - */ - put_user(0, tidptr); - sys_futex(tidptr, FUTEX_WAKE, 1, NULL, NULL, 0); } } @@ -1269,6 +1269,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, write_unlock_irq(&tasklist_lock); proc_fork_connector(p); cgroup_post_fork(p); + perf_counter_fork(p); return p; bad_fork_free_pid: @@ -1410,9 +1411,6 @@ long do_fork(unsigned long clone_flags, init_completion(&vfork); } - if (!(clone_flags & CLONE_THREAD)) - perf_counter_fork(p); - audit_finish_fork(p); tracehook_report_clone(regs, clone_flags, nr, p); |