The patch titled
posix-timers: move the initialization of timer->sigq from send to create path
has been removed from the -mm tree. Its filename was
posix-timers-move-the-initialization-of-timer-sigq-from-send-to-create-path.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
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Subject: posix-timers: move the initialization of timer->sigq from send to create path
From: Oleg Nesterov <oleg@xxxxxxxxxx>
posix_timer_event() always populates timer->sigq with the same numbers,
move this code into sys_timer_create().
Note that with this patch we can kill it_sigev_signo and it_sigev_value.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Roland McGrath <roland@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/posix-timers.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff -puN kernel/posix-timers.c~posix-timers-move-the-initialization-of-timer-sigq-from-send-to-create-path kernel/posix-timers.c
--- a/kernel/posix-timers.c~posix-timers-move-the-initialization-of-timer-sigq-from-send-to-create-path
+++ a/kernel/posix-timers.c
@@ -327,11 +327,6 @@ int posix_timer_event(struct k_itimer *t
*/
timr->sigq->info.si_sys_private = si_private;
- timr->sigq->info.si_signo = timr->it_sigev_signo;
- timr->sigq->info.si_code = SI_TIMER;
- timr->sigq->info.si_tid = timr->it_id;
- timr->sigq->info.si_value = timr->it_sigev_value;
-
shared = !(timr->it_sigev_notify & SIGEV_THREAD_ID);
ret = send_sigqueue(timr->sigq, timr->it_process, shared);
/* If we failed to send the signal the timer stops. */
@@ -552,6 +547,11 @@ sys_timer_create(const clockid_t which_c
get_task_struct(process);
}
+ new_timer->sigq->info.si_code = SI_TIMER;
+ new_timer->sigq->info.si_tid = new_timer->it_id;
+ new_timer->sigq->info.si_signo = new_timer->it_sigev_signo;
+ new_timer->sigq->info.si_value = new_timer->it_sigev_value;
+
spin_lock_irq(¤t->sighand->siglock);
new_timer->it_process = process;
list_add(&new_timer->list, ¤t->signal->posix_timers);
_
Patches currently in -mm which might be from oleg@xxxxxxxxxx are
git-tip.patch
posix-timers-use-struct-pid-instead-of-struct-task_struct.patch
posix-timers-check-it_signal-instead-of-it_pid-to-validate-the-timer.patch
posix-timers-simplify-de_thread-exit_itimers-path.patch
signal-procfs-lock_task_sighand-do-not-need-rcu_read_lock.patch
make-ptrace_untrace-static.patch
coredump-format_corename-dont-append-%pid-if-multi-threaded.patch
add-config_core_dump_default_elf_headers.patch
kthread_bind-use-wait_task_inactivetask_uninterruptible.patch
pid_ns-de_thread-kill-the-now-unneeded-child_reaper-change.patch
pid_ns-kill-the-now-unused-task_child_reaper.patch
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