From: Thomas Monjalon <thomas@monjalon.net>
To: dev@dpdk.org
Cc: "Burakov, Anatoly" <anatoly.burakov@intel.com>,
matan@mellanox.com, ferruh.yigit@intel.com,
gaetan.rivet@6wind.com
Subject: Re: [dpdk-dev] [PATCH v3] bus/vdev: replace device list lock by a recursive one
Date: Tue, 22 May 2018 16:38:06 +0200 [thread overview]
Message-ID: <2257563.PQC7AstAyf@xps> (raw)
In-Reply-To: <8ac95032-f1e3-d762-2cf5-803ad78bb2bb@intel.com>
22/05/2018 15:34, Burakov, Anatoly:
> On 22-May-18 12:37 PM, Thomas Monjalon wrote:
> > A device like failsafe can manage sub-devices.
> > When removing such device, it removes its sub-devices
> > and try to take the same vdev_device_list_lock.
> > It was causing a deadlock because the lock was not recursive.
> >
> > Fixes: 35f462839b69 ("bus/vdev: add lock on device list")
> >
> > Suggested-by: Anatoly Burakov <anatoly.burakov@intel.com>
> > Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> > ---
> > v3: try recursive lock
> > WARNING: not yet tested!
> > ---
>
> LGTM
>
> Acked-by: Anatoly Burakov <anatoly.burakov@intel.com>
Tested-by: Matan Azrad <matan@mellanox.com>
Applied
prev parent reply other threads:[~2018-05-22 14:38 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-21 16:11 [dpdk-dev] [PATCH] bus/vdev: reduce scope of device list lock Thomas Monjalon
2018-05-21 16:45 ` [dpdk-dev] [PATCH v2] bus/vdev: fix " Thomas Monjalon
2018-05-21 17:28 ` Matan Azrad
2018-05-22 9:11 ` Gaëtan Rivet
2018-05-22 9:05 ` [dpdk-dev] [PATCH] bus/vdev: reduce " Burakov, Anatoly
2018-05-22 9:20 ` Thomas Monjalon
2018-05-22 11:37 ` [dpdk-dev] [PATCH v3] bus/vdev: replace device list lock by a recursive one Thomas Monjalon
2018-05-22 12:08 ` Matan Azrad
2018-05-22 13:34 ` Burakov, Anatoly
2018-05-22 14:38 ` Thomas Monjalon [this message]
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