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From: Thomas Monjalon <thomas@monjalon.net>
To: "Naga Harish K, S V" <s.v.naga.harish.k@intel.com>
Cc: Jerin Jacob <jerinjacobk@gmail.com>,
	stable@dpdk.org, "jerinj@marvell.com" <jerinj@marvell.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Carrillo, Erik G" <erik.g.carrillo@intel.com>,
	"pbhagavatula@marvell.com" <pbhagavatula@marvell.com>,
	"sthotton@marvell.com" <sthotton@marvell.com>
Subject: Re: [PATCH v7 2/3] timer: fix function to stop all timers
Date: Wed, 05 Oct 2022 14:59:44 +0200	[thread overview]
Message-ID: <6100135.17fYzF0512@thomas> (raw)
In-Reply-To: <DM6PR11MB386844370D6E4C131BB91D2EA1489@DM6PR11MB3868.namprd11.prod.outlook.com>

> > On Wed, Sep 14, 2022 at 9:03 PM Naga Harish K S V
> > <s.v.naga.harish.k@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@dpdk.org
> > >
> > > Signed-off-by: Naga Harish K S V <s.v.naga.harish.k@intel.com>
> Acked-by: Erik Gabriel Carrillo <erik.g.carrillo@intel.com>
> 
> Added missing ack

Applied, thanks.




  reply	other threads:[~2022-10-05 12:59 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-03 16:25 [PATCH 1/4] eventdev/timer: add periodic event timer support Naga Harish K S V
2022-08-03 16:25 ` [PATCH 4/4] test/event: update periodic event timer tests Naga Harish K S V
2022-08-10  7:07 ` [PATCH v2 1/4] eventdev/timer: add periodic event timer support Naga Harish K S V
2022-08-10  7:07   ` [PATCH v2 4/4] test/event: update periodic event timer tests Naga Harish K S V
2022-08-10 19:55   ` [PATCH v2 1/4] eventdev/timer: add periodic event timer support Carrillo, Erik G
2022-08-11 15:43     ` Naga Harish K, S V
2022-08-11 15:36   ` [PATCH v3 " Naga Harish K S V
2022-08-11 15:36     ` [PATCH v3 4/4] test/event: update periodic event timer tests Naga Harish K S V
2022-08-11 19:22     ` [PATCH v3 1/4] eventdev/timer: add periodic event timer support Carrillo, Erik G
2022-08-12 16:10       ` Naga Harish K, S V
2022-08-12 16:07     ` [PATCH v4 " Naga Harish K S V
2022-08-12 16:07       ` [PATCH v4 4/4] test/event: update periodic event timer tests Naga Harish K S V
2022-08-18 13:13         ` Carrillo, Erik G
2022-08-18 13:06       ` [PATCH v4 1/4] eventdev/timer: add periodic event timer support Carrillo, Erik G
2022-09-14  5:08       ` [PATCH v5 " Naga Harish K S V
2022-09-14  5:08         ` [PATCH v5 2/4] timer: fix function to stop all timers Naga Harish K S V
2022-09-14  5:08         ` [PATCH v5 3/4] test/event: update periodic event timer tests Naga Harish K S V
2022-09-14  5:08         ` [PATCH v5 4/4] doc: remove deprication notice Naga Harish K S V
2022-09-14  5:15       ` [PATCH v5 1/4] eventdev/timer: add periodic event timer support Naga Harish K S V
2022-09-14  5:15         ` [PATCH v5 2/4] timer: fix function to stop all timers Naga Harish K S V
2022-09-14  5:15         ` [PATCH v5 3/4] test/event: update periodic event timer tests Naga Harish K S V
2022-09-14  5:15         ` [PATCH v5 4/4] doc: remove deprecation notice Naga Harish K S V
2022-09-14 12:41           ` Jerin Jacob
2022-09-14 13:54             ` Naga Harish K, S V
2022-09-14 13:51         ` [PATCH v6 1/3] eventdev/timer: add periodic event timer support Naga Harish K S V
2022-09-14 13:51           ` [PATCH v6 2/3] timer: fix function to stop all timers Naga Harish K S V
2022-09-14 13:51           ` [PATCH v6 3/3] test/event: update periodic event timer tests Naga Harish K S V
2022-09-14 15:24           ` [PATCH v6 1/3] eventdev/timer: add periodic event timer support Jerin Jacob
2022-09-14 16:43             ` Naga Harish K, S V
2022-09-14 15:33           ` [PATCH v7 " Naga Harish K S V
2022-09-14 15:33             ` [PATCH v7 2/3] timer: fix function to stop all timers Naga Harish K S V
2022-09-15  6:41               ` Jerin Jacob
2022-09-16  4:40                 ` Naga Harish K, S V
2022-10-05 12:59                   ` Thomas Monjalon [this message]
2022-09-26  5:21                 ` Naga Harish K, S V
2022-09-14 15:33             ` [PATCH v7 3/3] test/event: update periodic event timer tests Naga Harish K S V
2022-09-15  6:43               ` Jerin Jacob
2022-09-15  6:40             ` [PATCH v7 1/3] eventdev/timer: add periodic event timer support Jerin Jacob

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