Chris Wilson
60900add85
drm/i915: Mark racy read of intel_engine_cs.saturated
[ 3783.276728] BUG: KCSAN: data-race in __i915_request_submit [i915] / i915_request_await_dma_fence [i915]
[ 3783.276766]
[ 3783.276787] write to 0xffff8881f1bc60a0 of 1 bytes by interrupt on cpu 2:
[ 3783.277187] __i915_request_submit+0x47e/0x4a0 [i915]
[ 3783.277580] __execlists_submission_tasklet+0x997/0x2780 [i915]
[ 3783.277973] execlists_submission_tasklet+0xd3/0x170 [i915]
[ 3783.278006] tasklet_action_common.isra.0+0x42/0xa0
[ 3783.278035] __do_softirq+0xd7/0x2cd
[ 3783.278063] irq_exit+0xbe/0xe0
[ 3783.278089] do_IRQ+0x51/0x100
[ 3783.278114] ret_from_intr+0x0/0x1c
[ 3783.278140] finish_task_switch+0x72/0x260
[ 3783.278170] __schedule+0x1e5/0x510
[ 3783.278198] schedule+0x45/0xb0
[ 3783.278226] smpboot_thread_fn+0x23e/0x300
[ 3783.278256] kthread+0x19a/0x1e0
[ 3783.278283] ret_from_fork+0x1f/0x30
[ 3783.278305]
[ 3783.278327] read to 0xffff8881f1bc60a0 of 1 bytes by task 19440 on cpu 3:
[ 3783.278724] i915_request_await_dma_fence+0x2a6/0x530 [i915]
[ 3783.279130] i915_request_await_object+0x2fe/0x470 [i915]
[ 3783.279524] i915_gem_do_execbuffer+0x45dc/0x4c20 [i915]
[ 3783.279908] i915_gem_execbuffer2_ioctl+0x2c3/0x580 [i915]
[ 3783.279940] drm_ioctl_kernel+0xe4/0x120
[ 3783.279968] drm_ioctl+0x297/0x4c7
[ 3783.279996] ksys_ioctl+0x89/0xb0
[ 3783.280021] __x64_sys_ioctl+0x42/0x60
[ 3783.280047] do_syscall_64+0x6e/0x2c0
[ 3783.280074] entry_SYSCALL_64_after_hwframe+0x44/0xa9
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200309132726.28358-1-chris@chris-wilson.co.uk
2020-03-09 17:08:52 +00:00
..
2020-02-11 23:26:15 +01:00
2020-01-29 18:53:37 -08:00
2020-02-06 06:11:50 +00:00
2020-01-28 16:02:33 -08:00
2020-02-08 14:04:19 -08:00
2020-01-28 16:02:33 -08:00
2020-02-08 13:26:41 -08:00
2020-01-24 19:57:53 +01:00
2020-02-15 10:33:19 -08:00
2020-01-03 09:42:52 +01:00
2020-02-16 13:05:46 -08:00
2020-02-08 14:17:27 -08:00
2020-02-08 14:17:27 -08:00
2020-02-14 10:40:48 +01:00
2020-02-08 14:04:19 -08:00
2020-01-28 16:02:33 -08:00
2020-01-16 09:52:27 -08:00
2020-01-16 19:14:49 +09:00
2020-02-08 13:58:44 -08:00
2020-01-03 11:43:44 +10:00
2020-02-13 13:29:41 +01:00
2020-01-06 09:45:59 +01:00
2020-02-08 14:04:19 -08:00
2020-01-10 12:51:56 -08:00
2020-02-10 13:54:17 +01:00
2020-03-09 17:08:52 +00:00
2020-01-30 08:04:01 -08:00
2020-02-03 14:42:03 +00:00
2020-02-12 12:43:01 -08:00
2020-01-21 16:16:36 -08:00
2020-01-14 15:38:28 +01:00
2020-02-07 12:54:13 -08:00
2020-01-13 10:00:05 +01:00
2020-02-04 03:05:26 +00:00
2020-02-03 11:57:18 +01:00
2020-02-04 07:17:41 +00:00
2020-02-14 15:21:52 -04:00
2020-02-15 16:49:25 -08:00
2020-01-07 09:30:09 +02:00
2020-02-05 17:49:54 +00:00
2020-01-06 09:45:59 +01:00
2020-02-09 15:47:37 -08:00
2020-02-04 03:05:26 +00:00
2020-01-22 21:08:24 +01:00
2020-02-04 13:06:46 +00:00
2020-01-08 10:41:52 +01:00
2020-02-16 12:35:52 -08:00
2020-02-04 07:17:41 +00:00
2020-01-16 10:45:44 -08:00
2020-01-19 22:10:04 +01:00
2020-02-04 07:17:41 +00:00
2020-02-07 12:54:13 -08:00
2020-01-27 13:03:00 -08:00
2020-02-04 03:05:27 +00:00
2020-02-14 07:05:17 -08:00
2020-01-19 22:10:04 +01:00
2020-01-31 10:30:37 -08:00
2020-02-16 12:35:52 -08:00
2020-02-07 12:54:13 -08:00
2020-02-08 14:04:19 -08:00
2020-01-27 13:03:00 -08:00
2020-01-13 13:19:38 -05:00
2020-02-04 03:05:26 +00:00
2020-02-06 14:17:38 +00:00
2020-02-10 18:14:46 +00:00
2020-02-04 03:05:27 +00:00
2020-02-04 03:05:24 +00:00
2020-02-04 07:24:48 +00:00
2020-02-04 03:05:26 +00:00
2020-02-08 13:55:25 -08:00
2020-01-13 10:32:19 +01:00
2020-01-19 22:10:04 +01:00
2020-01-20 15:40:49 +01:00
2020-02-03 14:51:57 +00:00
2020-01-24 09:34:07 -08:00
2020-01-10 22:20:37 -08:00
2020-01-20 10:29:56 -08:00
2020-02-04 07:17:41 +00:00
2020-02-11 20:14:28 +01:00
2020-02-08 17:24:41 -08:00
2020-01-06 09:45:59 +01:00
2020-01-14 21:46:53 +01:00
2020-01-14 21:46:48 +01:00
2020-02-11 15:00:15 -08:00
2020-01-16 17:34:38 +05:30
2020-02-04 03:05:27 +00:00
2020-02-10 13:16:04 +01:00
2020-01-06 09:45:59 +01:00
2020-02-04 03:05:26 +00:00
2020-01-29 18:16:16 -08:00
2020-01-31 11:28:31 -08:00
2020-02-08 14:04:19 -08:00
2020-01-31 14:39:21 -08:00
2020-01-14 15:37:41 +01:00
2020-02-09 16:05:50 -08:00
2020-01-14 15:27:51 +01:00
2020-02-08 13:26:41 -08:00
2020-02-03 22:22:05 +00:00
2020-02-21 05:44:40 +10:00
2020-02-06 03:40:27 -05:00
2020-01-14 15:30:35 +01:00
2020-01-29 10:35:54 -08:00
2020-01-29 10:35:54 -08:00
2020-02-07 12:30:16 -08:00
2020-02-05 17:44:14 +00:00
2020-02-09 16:05:50 -08:00