Re: [PATCH RT 04/15] posixtimer: init timer only with CONFIG_POSIX_TIMERS enabled

From: Steven Rostedt
Date: Fri Dec 01 2017 - 12:35:45 EST


On Fri, 01 Dec 2017 10:50:03 -0500
Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:

> 4.9.65-rt57-rc1 stable review patch.
> If anyone has any objections, please let me know.
>
> ------------------
>
> From: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
>
> In v4.11 it is possible to disable the posix timers and so we must not
> attempt to initialize the task_struct on RT with !POSIX_TIMERS.
> This patch does so.

Hmm, I may have been too greedy in pulling in this patch. I'm going to
remove it from the list, and post a -rc2.

-- Steve

>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx>
> ---
> include/linux/init_task.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/linux/init_task.h b/include/linux/init_task.h
> index a56e263f5005..526ecfc58909 100644
> --- a/include/linux/init_task.h
> +++ b/include/linux/init_task.h
> @@ -150,7 +150,7 @@ extern struct task_group root_task_group;
> # define INIT_PERF_EVENTS(tsk)
> #endif
>
> -#ifdef CONFIG_PREEMPT_RT_BASE
> +#if defined(CONFIG_POSIX_TIMERS) && defined(CONFIG_PREEMPT_RT_BASE)
> # define INIT_TIMER_LIST .posix_timer_list = NULL,
> #else
> # define INIT_TIMER_LIST