Re: [PATCH 4/4] drm/virtio: Use IDAs more efficiently

From: Matthew Wilcox
Date: Wed Sep 26 2018 - 12:04:59 EST


On Wed, Sep 26, 2018 at 09:00:31AM -0700, Matthew Wilcox wrote:
> @@ -59,6 +59,7 @@ static int virtio_gpu_context_create(struct virtio_gpu_device *vgdev,
>
> if (handle < 0)
> return handle;
> + handle++;
> virtio_gpu_cmd_context_create(vgdev, handle, nlen, name);
> return handle;
> }

Uh. This line is missing.

- int handle = ida_alloc_min(&vgdev->ctx_id_ida, 1, GFP_KERNEL);
+ int handle = ida_alloc(&vgdev->ctx_id_ida, GFP_KERNEL);

It'll be there in v2 ;-)