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accel/habanalabs: print return code when process termination fails

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As part of driver teardown, we attempt to kill all user processes.
It shouldn't fail, but if it does we want to print the error code that
the kapi returned to us.

Signed-off-by: Koby Elbaz <kelbaz@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Koby Elbaz 2023-06-05 11:11:05 +03:00 committed by Oded Gabbay
parent bffd2f16ae
commit 2b541cf913
1 changed files with 4 additions and 3 deletions
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7
drivers/accel/habanalabs/common/device.c
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@ -1352,7 +1352,8 @@ static int device_kill_open_processes(struct hl_device *hdev, u32 timeout, bool
* we don't need to kill it.
*/
dev_dbg(hdev->dev,
"Can't get task struct for user process, assuming process was killed from outside the driver\n");
"Can't get task struct for user process %d, assuming process was killed from outside the driver\n",
pid_nr(hpriv->taskpid));
}
}
@ -2438,14 +2439,14 @@ void hl_device_fini(struct hl_device *hdev)
hdev->process_kill_trial_cnt = 0;
rc = device_kill_open_processes(hdev, HL_WAIT_PROCESS_KILL_ON_DEVICE_FINI, false);
if (rc) {
dev_crit(hdev->dev, "Failed to kill all open processes\n");
dev_crit(hdev->dev, "Failed to kill all open processes (%d)\n", rc);
device_disable_open_processes(hdev, false);
}
hdev->process_kill_trial_cnt = 0;
rc = device_kill_open_processes(hdev, 0, true);
if (rc) {
dev_crit(hdev->dev, "Failed to kill all control device open processes\n");
dev_crit(hdev->dev, "Failed to kill all control device open processes (%d)\n", rc);
device_disable_open_processes(hdev, true);
}