Re: [PATCH v6 2/6] drm/i915/gvt: OpRegion support for GVT-g

From: Zhenyu Wang
Date: Wed May 31 2017 - 02:35:44 EST


On 2017.05.31 06:22:28 +0000, Chen, Xiaoguang wrote:
> >> @@ -467,6 +555,15 @@ static int intel_vgpu_create(struct kobject *kobj,
> >struct mdev_device *mdev)
> >> vgpu->vdev.mdev = mdev;
> >> mdev_set_drvdata(mdev, vgpu);
> >>
> >> + ret = intel_vgpu_reg_init_opregion(vgpu);
> >> + if (ret) {
> >> + gvt_vgpu_err("create OpRegion failed\n");
> >> + goto out;
> >> + }
> >
> >Still need to handle error path for created vgpu.
> Just checked the code, if initialize the opregion failed we should first release vfio/mdev releated work(maybe call intel_vgpu_release function) and then destroy the vgpu. Will update in the next version.
>

Better to init opregion inside of create vgpu and do proper error
handling there too.

--
Open Source Technology Center, Intel ltd.

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