Commit:     c543f1ee08ea6c2176dbdc47df0d0f6357c88713
Parent:     3a515e4a62dbf7e4c213740268a5267faa69e5b2
Author:     Oleg Nesterov <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 8 04:19:07 2008 -0800
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri Feb 8 09:22:27 2008 -0800

    wait_task_zombie: remove ->exit_state/exit_signal checks for WNOWAIT
    The first "p->exit_state != EXIT_ZOMBIE" check doesn't make too much sense.
    The exit_state was EXIT_ZOMBIE when the function was called, and another
    thread can change it to EXIT_DEAD right after the check.
    The second condition is not possible, detached non-traced threads were 
    filtered out by eligible_child(), we didn't drop tasklist since then.
    Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]>
    Cc: Roland McGrath <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
 kernel/exit.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/kernel/exit.c b/kernel/exit.c
index dee8b4d..42a8713 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1196,10 +1196,6 @@ static int wait_task_zombie(struct task_struct *p, int 
                int exit_code = p->exit_code;
                int why, status;
-               if (unlikely(p->exit_state != EXIT_ZOMBIE))
-                       return 0;
-               if (unlikely(p->exit_signal == -1 && p->ptrace == 0))
-                       return 0;
                if ((exit_code & 0x7f) == 0) {
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