On Fri 2020-08-14 08:38:53, Sasha Levin wrote:
> Add support for a Hyper-V based vGPU implementation that exposes the
> DirectX API to Linux userspace.

NAK.

Kernel APIs should be documented. ... in tree and with suitable license.
        
> +int dxgadapter_init(struct dxgadapter *adapter, struct hv_device *hdev)
> +{
> +     int ret = 0;
> +     char s[80];
> +
> +     UNUSED(s);

What is going on here?

> +{
> +     struct dxgprocess_adapter *adapter_info = dxgmem_alloc(process,
> +                                                            
> DXGMEM_PROCESS_ADAPTER,
> +                                                            sizeof
> +                                                            (*adapter_info));

We normally use kernel functions in kernel code.

> +     dxgmutex_unlock(&device->adapter_info->device_list_mutex);

And you should not have private locking primitives, either.

> +bool dxghwqueue_acquire_reference(struct dxghwqueue *hwqueue)
> +{
> +     return refcount_inc_not_zero(&hwqueue->refcount);
> +}

Midlayers are evil.

Best regards,
                                                                        Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) 
http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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