linux-kernel - Re: [PATCH 00/15] misc: nnpi: New PCIe driver for Intel's NNP-I pcie device

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Message-ID: <20210512075141.GA35140@aipg-stp-03.iil.intel.com>
Date:   Wed, 12 May 2021 10:51:41 +0300
From:   Guy Zadicario <guy.zadicario@...el.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, olof@...om.net,
        alexander.shishkin@...ux.intel.com, andriy.shevchenko@...el.com,
        yochai.shefi-simchon@...el.com
Subject: Re: [PATCH 00/15] misc: nnpi: New PCIe driver for Intel's NNP-I pcie
 device

On Wed, May 12, 2021 at 09:27:13AM +0200, Greg KH wrote:
> On Wed, May 12, 2021 at 10:10:31AM +0300, Guy Zadicario wrote:
> > Hi,
> > 
> > The following series is a driver for a new PCIe device from Intel named NNP-I
> > (Nirvana Neural Processor for Inference). NNP-I is a PCIe connected compute
> > device used for acceleration of AI deep learning inference applications in the
> > data-center.
> > 
> > The reason that this driver should be in the kernel is that it aims to serve
> > multiple users and user-space applications which might share the same NNP-I
> > card. Workloads from multiple applications can be processed simultanously by
> > the NNP-I card if enough compute resources exist.
> > 
> > Overview of the NNP-I device, driver structure and ABIs used in the driver is in
> > patch#1, which adds the info as a document as it might be a useful info for
> > anyone trying to understand the driver even past review.
> > 
> > In order to ease the review process, there will be multiple series for the
> > entire driver code. This is the first series, and it implements everything
> > necessary to initialize the NNP-I device and allow a user-space inference
> > application to use it. Other features, which are mostly related to maintenance,
> > device status visibility and error-handling, will be submitted on the next stage.
> > 
> > A basic user-space library and test application which illustrates the flow of
> > an NNP-I inference application can be found here: https://github.com/IntelAI/nnpi-host
> > (This series is enough for the test application to run)
> > 
> > This patchset has gone through internal review inside Intel, the summary of the
> > change log from the internal review follows.
> > 
> > I would appreciate any feedback, questions or comments to this series.
> > 
> > Changes in v22:
> 
> Why is "v22" not in the [PATCH...] part of the subjects here?
> 
> And has there really been 21 other series posted to lkml for this?
> 

This is the first post to lkml. The first 21 versions was sent for
internal review in Intel only.
I could possibly remove the long change log from the cover letter.

Thanks,
Guy.
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