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drm/i915/gvt: do not deliver a workload if its creation fails

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commit dade58ed5a upstream.

in workload creation routine, if any failure occurs, do not queue this
workload for delivery. if this failure is fatal, enter into failsafe
mode.

Fixes: 6d76303553 ("drm/i915/gvt: Move common vGPU workload creation into scheduler.c")
Cc: stable@vger.kernel.org #4.19+
Cc: zhenyuw@linux.intel.com
Signed-off-by: Yan Zhao <yan.y.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yan Zhao
2019-03-27 00:54:51 -04:00
committed by Greg Kroah-Hartman
parent a5277bcc1b
commit df4106f23d
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/i915/gvt/scheduler.c
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@@ -1389,8 +1389,9 @@ intel_vgpu_create_workload(struct intel_vgpu *vgpu, int ring_id,
intel_runtime_pm_put(dev_priv);
}
if (ret && (vgpu_is_vm_unhealthy(ret))) {
enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR);
if (ret) {
if (vgpu_is_vm_unhealthy(ret))
enter_failsafe_mode(vgpu, GVT_FAILSAFE_GUEST_ERR);
intel_vgpu_destroy_workload(workload);
return ERR_PTR(ret);
}