From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
To: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
ckoenig.leichtzumerken@gmail.com, daniel.vetter@ffwll.ch,
robh@kernel.org, l.stach@pengutronix.de, yuq825@gmail.com,
eric@anholt.net
Cc: Alexander.Deucher@amd.com, gregkh@linuxfoundation.org
Subject: [PATCH v4 04/14] drm/sched: Cancel and flush all oustatdning jobs before finish.
Date: Mon, 18 Jan 2021 16:01:13 -0500 [thread overview]
Message-ID: <1611003683-3534-5-git-send-email-andrey.grodzovsky@amd.com> (raw)
In-Reply-To: <1611003683-3534-1-git-send-email-andrey.grodzovsky@amd.com>
To avoid any possible use after free.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/scheduler/sched_main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 997aa15..92637b7 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -899,6 +899,9 @@ void drm_sched_fini(struct drm_gpu_scheduler *sched)
if (sched->thread)
kthread_stop(sched->thread);
+ /* Confirm no work left behind accessing device structures */
+ cancel_delayed_work_sync(&sched->work_tdr);
+
sched->ready = false;
}
EXPORT_SYMBOL(drm_sched_fini);
--
2.7.4
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
To: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
ckoenig.leichtzumerken@gmail.com, daniel.vetter@ffwll.ch,
robh@kernel.org, l.stach@pengutronix.de, yuq825@gmail.com,
eric@anholt.net
Cc: Alexander.Deucher@amd.com, gregkh@linuxfoundation.org,
ppaalanen@gmail.com, Harry.Wentland@amd.com,
Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Subject: [PATCH v4 04/14] drm/sched: Cancel and flush all oustatdning jobs before finish.
Date: Mon, 18 Jan 2021 16:01:13 -0500 [thread overview]
Message-ID: <1611003683-3534-5-git-send-email-andrey.grodzovsky@amd.com> (raw)
In-Reply-To: <1611003683-3534-1-git-send-email-andrey.grodzovsky@amd.com>
To avoid any possible use after free.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---
drivers/gpu/drm/scheduler/sched_main.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 997aa15..92637b7 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -899,6 +899,9 @@ void drm_sched_fini(struct drm_gpu_scheduler *sched)
if (sched->thread)
kthread_stop(sched->thread);
+ /* Confirm no work left behind accessing device structures */
+ cancel_delayed_work_sync(&sched->work_tdr);
+
sched->ready = false;
}
EXPORT_SYMBOL(drm_sched_fini);
--
2.7.4
_______________________________________________
amd-gfx mailing list
amd-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/amd-gfx
next prev parent reply other threads:[~2021-01-18 21:02 UTC|newest]
Thread overview: 196+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 21:01 [PATCH v4 00/14] RFC Support hot device unplug in amdgpu Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-18 21:01 ` [PATCH v4 01/14] drm/ttm: Remap all page faults to per process dummy page Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-18 21:48 ` Alex Deucher
2021-01-18 21:48 ` Alex Deucher
2021-01-19 8:41 ` Christian König
2021-01-19 8:41 ` Christian König
2021-01-19 13:56 ` Daniel Vetter
2021-01-19 13:56 ` Daniel Vetter
2021-01-25 15:28 ` Andrey Grodzovsky
2021-01-25 15:28 ` Andrey Grodzovsky
2021-01-27 14:29 ` Andrey Grodzovsky
2021-01-27 14:29 ` Andrey Grodzovsky
2021-02-02 14:21 ` Daniel Vetter
2021-02-02 14:21 ` Daniel Vetter
2021-01-18 21:01 ` [PATCH v4 02/14] drm: Unamp the entire device address space on device unplug Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-18 21:01 ` [PATCH v4 03/14] drm/ttm: Expose ttm_tt_unpopulate for driver use Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky [this message]
2021-01-18 21:01 ` [PATCH v4 04/14] drm/sched: Cancel and flush all oustatdning jobs before finish Andrey Grodzovsky
2021-01-18 21:49 ` Alex Deucher
2021-01-18 21:49 ` Alex Deucher
2021-01-19 8:42 ` Christian König
2021-01-19 8:42 ` Christian König
2021-01-19 9:50 ` Christian König
2021-01-19 9:50 ` Christian König
2021-01-18 21:01 ` [PATCH v4 05/14] drm/amdgpu: Split amdgpu_device_fini into early and late Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-19 8:45 ` Christian König
2021-01-19 8:45 ` Christian König
2021-01-18 21:01 ` [PATCH v4 06/14] drm/amdgpu: Add early fini callback Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-18 21:01 ` [PATCH v4 07/14] drm/amdgpu: Register IOMMU topology notifier per device Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-18 21:52 ` Alex Deucher
2021-01-18 21:52 ` Alex Deucher
2021-01-19 8:48 ` Christian König
2021-01-19 8:48 ` Christian König
2021-01-19 13:45 ` Daniel Vetter
2021-01-19 13:45 ` Daniel Vetter
2021-01-19 21:21 ` Andrey Grodzovsky
2021-01-19 21:21 ` Andrey Grodzovsky
2021-01-19 22:01 ` Daniel Vetter
2021-01-19 22:01 ` Daniel Vetter
2021-01-20 4:21 ` Andrey Grodzovsky
2021-01-20 4:21 ` Andrey Grodzovsky
2021-01-20 8:38 ` Daniel Vetter
2021-01-20 8:38 ` Daniel Vetter
[not found] ` <1a5f7ccb-1f91-91be-1cb1-e7cb43ac2c13@amd.com>
2021-01-21 10:48 ` Daniel Vetter
2021-01-21 10:48 ` Daniel Vetter
2021-01-20 5:01 ` Andrey Grodzovsky
2021-01-20 5:01 ` Andrey Grodzovsky
2021-01-20 19:38 ` Andrey Grodzovsky
2021-01-20 19:38 ` Andrey Grodzovsky
2021-01-21 10:42 ` Christian König
2021-01-21 10:42 ` Christian König
2021-01-18 21:01 ` [PATCH v4 08/14] drm/amdgpu: Fix a bunch of sdma code crash post device unplug Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-19 8:51 ` Christian König
2021-01-19 8:51 ` Christian König
2021-01-18 21:01 ` [PATCH v4 09/14] drm/amdgpu: Remap all page faults to per process dummy page Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-19 8:52 ` Christian König
2021-01-19 8:52 ` Christian König
2021-01-18 21:01 ` [PATCH v4 10/14] dmr/amdgpu: Move some sysfs attrs creation to default_attr Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-19 7:34 ` Greg KH
2021-01-19 7:34 ` Greg KH
2021-01-19 16:36 ` Andrey Grodzovsky
2021-01-19 16:36 ` Andrey Grodzovsky
2021-01-19 17:47 ` Greg KH
2021-01-19 17:47 ` Greg KH
2021-01-19 19:04 ` Alex Deucher
2021-01-19 19:04 ` Alex Deucher
2021-01-19 19:16 ` Andrey Grodzovsky
2021-01-19 19:16 ` Andrey Grodzovsky
2021-01-19 19:41 ` Greg KH
2021-01-19 19:41 ` Greg KH
2021-01-19 8:53 ` Christian König
2021-01-19 8:53 ` Christian König
2021-01-18 21:01 ` [PATCH v4 11/14] drm/amdgpu: Guard against write accesses after device removal Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-19 8:55 ` Christian König
2021-01-19 8:55 ` Christian König
2021-01-19 15:35 ` Andrey Grodzovsky
2021-01-19 15:35 ` Andrey Grodzovsky
2021-01-19 15:39 ` Christian König
2021-01-19 15:39 ` Christian König
2021-01-19 18:05 ` Daniel Vetter
2021-01-19 18:05 ` Daniel Vetter
2021-01-19 18:22 ` Andrey Grodzovsky
2021-01-19 18:22 ` Andrey Grodzovsky
2021-01-19 18:59 ` Christian König
2021-01-19 18:59 ` Christian König
2021-01-19 19:16 ` Andrey Grodzovsky
2021-01-19 19:16 ` Andrey Grodzovsky
2021-01-20 19:34 ` Andrey Grodzovsky
2021-01-20 19:34 ` Andrey Grodzovsky
2021-01-28 17:23 ` Andrey Grodzovsky
2021-01-28 17:23 ` Andrey Grodzovsky
2021-01-29 15:16 ` Christian König
2021-01-29 15:16 ` Christian König
2021-01-29 17:35 ` Andrey Grodzovsky
2021-01-29 17:35 ` Andrey Grodzovsky
2021-01-29 19:25 ` Christian König
2021-01-29 19:25 ` Christian König
2021-02-05 16:22 ` Andrey Grodzovsky
2021-02-05 16:22 ` Andrey Grodzovsky
2021-02-05 22:10 ` Daniel Vetter
2021-02-05 22:10 ` Daniel Vetter
2021-02-05 23:09 ` Andrey Grodzovsky
2021-02-05 23:09 ` Andrey Grodzovsky
2021-02-06 14:18 ` Daniel Vetter
2021-02-06 14:18 ` Daniel Vetter
2021-02-07 21:28 ` Andrey Grodzovsky
2021-02-07 21:28 ` Andrey Grodzovsky
2021-02-07 21:50 ` Daniel Vetter
2021-02-07 21:50 ` Daniel Vetter
2021-02-08 9:37 ` Christian König
2021-02-08 9:37 ` Christian König
2021-02-08 9:48 ` Daniel Vetter
2021-02-08 9:48 ` Daniel Vetter
2021-02-08 10:03 ` Christian König
2021-02-08 10:03 ` Christian König
2021-02-08 10:11 ` Daniel Vetter
2021-02-08 10:11 ` Daniel Vetter
2021-02-08 13:59 ` Christian König
2021-02-08 13:59 ` Christian König
2021-02-08 16:23 ` Daniel Vetter
2021-02-08 16:23 ` Daniel Vetter
2021-02-08 22:15 ` Andrey Grodzovsky
2021-02-08 22:15 ` Andrey Grodzovsky
2021-02-09 7:58 ` Christian König
2021-02-09 7:58 ` Christian König
2021-02-09 14:30 ` Andrey Grodzovsky
2021-02-09 14:30 ` Andrey Grodzovsky
2021-02-09 15:40 ` Christian König
2021-02-09 15:40 ` Christian König
2021-02-10 22:01 ` Andrey Grodzovsky
2021-02-10 22:01 ` Andrey Grodzovsky
2021-02-12 15:00 ` Andrey Grodzovsky
2021-02-12 15:00 ` Andrey Grodzovsky
2021-02-08 22:09 ` Andrey Grodzovsky
2021-02-08 22:09 ` Andrey Grodzovsky
2021-02-09 8:27 ` Christian König
2021-02-09 8:27 ` Christian König
2021-02-09 9:46 ` Daniel Vetter
2021-02-09 9:46 ` Daniel Vetter
2021-01-18 21:01 ` [PATCH v4 12/14] drm/scheduler: Job timeout handler returns status Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-19 7:53 ` Christian König
2021-01-19 7:53 ` Christian König
2021-01-19 17:47 ` Luben Tuikov
2021-01-19 17:47 ` Luben Tuikov
2021-01-19 18:53 ` Christian König
2021-01-19 18:53 ` Christian König
2021-01-18 21:01 ` [PATCH v4 13/14] drm/sched: Make timeout timer rearm conditional Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-18 21:01 ` [PATCH v4 14/14] drm/amdgpu: Prevent any job recoveries after device is unplugged Andrey Grodzovsky
2021-01-18 21:01 ` Andrey Grodzovsky
2021-01-19 14:16 ` [PATCH v4 00/14] RFC Support hot device unplug in amdgpu Daniel Vetter
2021-01-19 14:16 ` Daniel Vetter
2021-01-19 17:31 ` Andrey Grodzovsky
2021-01-19 17:31 ` Andrey Grodzovsky
2021-01-19 18:08 ` Daniel Vetter
2021-01-19 18:08 ` Daniel Vetter
2021-01-19 18:18 ` Andrey Grodzovsky
2021-01-19 18:18 ` Andrey Grodzovsky
2021-01-20 9:05 ` Daniel Vetter
2021-01-20 9:05 ` Daniel Vetter
2021-01-20 14:19 ` Andrey Grodzovsky
2021-01-20 14:19 ` Andrey Grodzovsky
2021-01-20 15:59 ` Daniel Vetter
2021-01-20 15:59 ` Daniel Vetter
2021-02-08 5:59 ` Andrey Grodzovsky
2021-02-08 5:59 ` Andrey Grodzovsky
2021-02-08 7:27 ` Daniel Vetter
2021-02-08 7:27 ` Daniel Vetter
2021-02-09 4:01 ` Andrey Grodzovsky
2021-02-09 4:01 ` Andrey Grodzovsky
2021-02-09 9:50 ` Daniel Vetter
2021-02-09 9:50 ` Daniel Vetter
2021-02-09 15:34 ` Andrey Grodzovsky
2021-02-09 15:34 ` Andrey Grodzovsky
2021-02-18 20:03 ` Andrey Grodzovsky
2021-02-18 20:03 ` Andrey Grodzovsky
2021-02-19 10:24 ` Daniel Vetter
2021-02-19 10:24 ` Daniel Vetter
2021-02-24 16:30 ` Andrey Grodzovsky
2021-02-24 16:30 ` Andrey Grodzovsky
2021-02-25 10:25 ` Daniel Vetter
2021-02-25 10:25 ` Daniel Vetter
2021-02-25 16:12 ` Andrey Grodzovsky
2021-02-25 16:12 ` Andrey Grodzovsky
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