This is a note to let you know that I've just added the patch titled
drm/i915/gvt: do not deliver a workload if its creation fails
to the 4.19-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-i915-gvt-do-not-deliver-a-workload-if-its-creation-fails.patch
and it can be found in the queue-4.19 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From dade58ed5af6365ac50ff4259c2a0bf31219e285 Mon Sep 17 00:00:00 2001
From: Yan Zhao <yan.y.zhao@xxxxxxxxx>
Date: Wed, 27 Mar 2019 00:54:51 -0400
Subject: drm/i915/gvt: do not deliver a workload if its creation fails
From: Yan Zhao <yan.y.zhao@xxxxxxxxx>
commit dade58ed5af6365ac50ff4259c2a0bf31219e285 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: 6d76303553ba ("drm/i915/gvt: Move common vGPU workload creation into scheduler.c")
Cc: stable@xxxxxxxxxxxxxxx #4.19+
Cc: zhenyuw@xxxxxxxxxxxxxxx
Signed-off-by: Yan Zhao <yan.y.zhao@xxxxxxxxx>
Signed-off-by: Zhenyu Wang <zhenyuw@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gvt/scheduler.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/i915/gvt/scheduler.c
+++ b/drivers/gpu/drm/i915/gvt/scheduler.c
@@ -1389,8 +1389,9 @@ intel_vgpu_create_workload(struct intel_
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);
}
Patches currently in stable-queue which might be from yan.y.zhao@xxxxxxxxx are
queue-4.19/drm-i915-gvt-do-not-let-pin-count-of-shadow-mm-go-ne.patch
queue-4.19/drm-i915-gvt-do-not-deliver-a-workload-if-its-creation-fails.patch
