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From: Pavel Machek <pavel@denx.de>
To: Sasha Levin <sashal@kernel.org>
Cc: kys@microsoft.com, haiyangz@microsoft.com,
	sthemmin@microsoft.com, wei.liu@kernel.org,
	gregkh@linuxfoundation.org, iourit@microsoft.com,
	linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org
Subject: Re: [PATCH 1/4] drivers: hv: dxgkrnl: core code
Date: Fri, 21 Aug 2020 15:53:40 +0200	[thread overview]
Message-ID: <20200821135340.GA4067@bug> (raw)
In-Reply-To: <20200814123856.3880009-2-sashal@kernel.org>

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

  parent reply	other threads:[~2020-08-21 13:55 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-14 12:38 [PATCH 0/4] drivers: hv: Microsoft Virtual GPU Driver Sasha Levin
2020-08-14 12:38 ` [PATCH 1/4] drivers: hv: dxgkrnl: core code Sasha Levin
2020-08-14 12:55   ` Greg KH
2020-08-27 23:29     ` Iouri Tarassov
2020-08-28  6:01       ` Greg KH
2020-08-14 12:57   ` Greg KH
2020-08-27 23:45     ` Iouri Tarassov
2020-08-28  6:15       ` Greg KH
2020-08-14 13:04   ` Greg KH
2020-08-28  0:05     ` Iouri Tarassov
2020-08-28  6:12       ` Greg KH
2020-09-03 18:55         ` Iouri Tarassov
2020-09-03 19:32           ` Greg KH
2020-08-14 13:18   ` Wei Liu
2020-08-26 20:20     ` Iouri Tarassov
2020-08-27  0:12     ` Iouri Tarassov
2020-08-27 19:09     ` Iouri Tarassov
2020-08-21 13:53   ` Pavel Machek [this message]
2020-08-28  0:25     ` Iouri Tarassov
2020-08-28  6:17       ` Greg KH
2020-08-28  6:18       ` Greg KH
2020-09-03 21:39         ` Iouri Tarassov
2020-09-04  5:18           ` Greg KH
2020-08-14 12:38 ` [PATCH 2/4] drivers: hv: dxgkrnl: hook up dxgkrnl Sasha Levin
2020-08-14 12:38 ` [PATCH 3/4] drivers: hv: vmbus: " Sasha Levin
2020-08-14 12:38 ` [PATCH 4/4] drivers: hv: dxgkrnl: create a MAINTAINERS entry Sasha Levin
2020-08-14 13:04   ` Greg KH

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