[PATCH v7 2/3] timer: fix function to stop all timers

[Jerin Jacob]

On Wed, Sep 14, 2022 at 9:03 PM Naga Harish K S V
<s.v.naga.harish.k at intel.com> wrote:
>
> There is a possibility of deadlock in this API,
> as same spinlock is tried to be acquired in nested manner.
>
> If the lcore that is stopping the timer is different from the lcore
> that owns the timer, the timer list lock is acquired in timer_del(),
> even if local_is_locked is true. Because the same lock was already
> acquired in rte_timer_stop_all(), the thread will hang.
>
> This patch removes the acquisition of nested lock.
>
> Fixes: 821c51267bcd63a ("timer: add function to stop all timers in a list")
> Cc: stable at dpdk.org
>
> Signed-off-by: Naga Harish K S V <s.v.naga.harish.k at intel.com>
> ---
>  lib/timer/rte_timer.c | 13 ++++---------

Since this change in lib/timer. Delegating this patch to @Thomas Monjalon