On Thu, Sep 10, 2020 at 3:23 AM Honnappa Nagarahalli <honnappa.nagaraha...@arm.com> wrote: > > If a timer's callback function calls rte_timer_reset_sync() or > > rte_timer_stop_sync() on another timer that is in the RUNNING state and > > owned by the current lcore, the *_sync() calls will loop indefinitely. > > > > Relatedly, if a timer's callback function calls *_sync() on another timer > > that is > > in the RUNNING state and is owned by a different lcore, but a timer callback > > function runs on that different lcore and calls > > *_sync() on a timer that is in the RUNNING state and owned by the current > > lcore, the two lcores will loop indefinitely. > > > > Add a note in the rte_timer_stop_sync and rte_timer_reset_sync > > documentation that indicates that these APIs should not be used inside > > timer callback functions in order to avoid the hangs described above, and > > suggests an alternative. > > > > Bugzilla ID: 491 > > Cc: sta...@dpdk.org > > > > Signed-off-by: Erik Gabriel Carrillo <erik.g.carri...@intel.com> > Reviewed-by: Honnappa Nagarahalli <honnappa.nagaraha...@arm.com>
Applied, thanks. Since we go with documenting a limitation, should we mark the original patches [1] and [2] as rejected instead of deferred? 1: https://patches.dpdk.org/patch/75156/ 2: https://patches.dpdk.org/patch/73683/ -- David Marchand
