On 071118, 12:10, Juri Lelli wrote:
> check_dl_overrun is used to send a SIGXCPU to users that asked to be
> informed when SCHED_DEADLINE runtime overruns occur.
>
> The function is called by check_thread_timers already, so the call in
> check_process_timers is redundant/wrong (even though harmless).
>
> Remove it.
>
> Fixes: 34be39305a77 ("sched/deadline: Implement "runtime overrun signal"
> support")
> Signed-off-by: Juri Lelli <juri.le...@redhat.com>
> Cc: Peter Zijlstra <pet...@infradead.org>
> Cc: Thomas Gleixner <t...@linutronix.de>
> Cc: Luca Abeni <luca.ab...@santannapisa.it>
> Cc: Claudio Scordino <clau...@evidence.eu.com>
> Cc: Mathieu Poirier <mathieu.poir...@linaro.org>
> ---
> kernel/time/posix-cpu-timers.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
> index ce32cf741b25..8f0644af40be 100644
> --- a/kernel/time/posix-cpu-timers.c
> +++ b/kernel/time/posix-cpu-timers.c
> @@ -917,9 +917,6 @@ static void check_process_timers(struct task_struct *tsk,
> struct task_cputime cputime;
> unsigned long soft;
>
> - if (dl_task(tsk))
> - check_dl_overrun(tsk);
> -
> /*
> * If cputimer is not running, then there are no active
> * process wide timers (POSIX 1.b, itimers, RLIMIT_CPU).
> --
[ Superfluous as (fortunately) already queued...]
Tested-by: Claudio Scordino <clau...@evidence.eu.com>
Thank you for taking care of this pending issue.
Claudio
