linux-kernel - RE: [EXTERNAL] Re: [PATCH v2 2/5] tools: hv: Add vmbus

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Date:   Thu, 22 Jun 2023 17:46:14 +0000
From:   Saurabh Singh Sengar <ssengar@...rosoft.com>
To:     Greg KH <gregkh@...uxfoundation.org>,
        Saurabh Sengar <ssengar@...ux.microsoft.com>
CC:     KY Srinivasan <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        "wei.liu@...nel.org" <wei.liu@...nel.org>,
        Dexuan Cui <decui@...rosoft.com>,
        "Michael Kelley (LINUX)" <mikelley@...rosoft.com>,
        "corbet@....net" <corbet@....net>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>
Subject: RE: [EXTERNAL] Re: [PATCH v2 2/5] tools: hv: Add vmbus_bufring



> -----Original Message-----
> From: Greg KH <gregkh@...uxfoundation.org>
> Sent: Thursday, June 15, 2023 2:46 AM
> To: Saurabh Sengar <ssengar@...ux.microsoft.com>
> Cc: KY Srinivasan <kys@...rosoft.com>; Haiyang Zhang
> <haiyangz@...rosoft.com>; wei.liu@...nel.org; Dexuan Cui
> <decui@...rosoft.com>; Michael Kelley (LINUX) <mikelley@...rosoft.com>;
> corbet@....net; linux-kernel@...r.kernel.org; linux-hyperv@...r.kernel.org;
> linux-doc@...r.kernel.org
> Subject: [EXTERNAL] Re: [PATCH v2 2/5] tools: hv: Add vmbus_bufring
> 
> On Wed, Jun 14, 2023 at 11:15:09AM -0700, Saurabh Sengar wrote:
> > Common userspace interface for read/write from VMBus ringbuffer.
> > This implementation is open for use by any userspace driver or
> > application seeking direct control over VMBus ring buffers.
> > A significant  part of this code is borrowed from DPDK.
> 
> "  "?
> 
> Anyway, this does not explain what this is at all.
> 
> And if you "borrowed" it from DPDK, that feels odd, are you sure you are
> allowed to do so?

Yes, we have confirmed this with our legal team, as the previous code is
covered under an appropriate open-source license, we are fine to reuse it here.

- Saurabh