netdev - Re: Process for subsystem maintainers to get Hyper-V code out of staging.

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Message-ID: <4D59CCAD.90503@gmail.com>
Date:	Mon, 14 Feb 2011 18:45:33 -0600
From:	Robert Hancock <hancockrwd@...il.com>
To:	Hank Janssen <hjanssen@...rosoft.com>
CC:	"shemminger@...ux-foundation.org" <shemminger@...ux-foundation.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	ide <linux-ide@...r.kernel.org>,
	KY Srinivasan <kys@...rosoft.com>,
	Hashir Abdi <habdi@...rosoft.com>,
	Mike Sterling <Mike.Sterling@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	"gregkh@...e.de\" \"" <gregkh@...e.de>
Subject: Re: Process for subsystem maintainers to get Hyper-V code out of
 staging. - CORRECTED RECIPIENTS

On 02/14/2011 05:42 PM, Hank Janssen wrote:
>
> MY APOLOGIES-I made a typo on James email address. I corrected it and resend.
> Sorry for the double email.
>
>
> Stephen/James/David,
>
> Greetings to you all. As you might be aware, we submitted Hyper-V drivers to the kernel 2009.
> We have been extending these drivers with additional functionality and our primary focus now
> is doing the work needed to exit the staging area.
>
> To give you some background, the following are Hyper-V specific Linux drivers:
>
>                  hv_vmbus           The vmbus driver that is the bridge between guest and the
> 			host
>                  hv_storvsc          The SCSI device driver
>                  hv_blkvsc            The IDE driver

Given that the IDE subsystem (drivers/ide) is currently in 
maintenance-only mode, and isn't used by modern distributions, you 
likely want to make this a libata driver instead.

Though, from what's in current git, it's not clear to me what the HV IDE 
(and SCSI) drivers are attempting to do. Is it really something that 
looks like an IDE controller from the guest OS point of view? If not, 
then having it as an IDE driver would be the wrong thing to do, it 
should be more of a generic block driver. In that case, then, why are 
there both SCSI and IDE drivers in the first place?

>                  hv_netvsc           The network driver
>
> We think our drivers are pretty close to be reviewed by the subsystem maintainers.
>
> We have been  working with Greg on  hv_vmbus, and several other driver issues as it relates to
> exiting staging. And now we are looking for guidance for the other drivers.
>
> 	1. Most important thing of course, did we contact the correct subsystem
> 	    maintainers?
> 		i. IDE/Blkvsc		David Miller
> 		ii. SCSI/Storvsc		James Bottomley
> 		iii. Network/Netvsc	Stephen Hemminger
> 	2. What is the process to submit the code for review?
> 	3. Which mailing list(s) do we need to use for the code reviews
> 	4. I assume normal patch format is required?
> 	5. What additional information is needed
> 	6. Once they leave staging where do they need to go? Because they all
> 	    pretty much come as a package we were thinking drivers/hyperv might
> 	    be a good place.
>
> There are still a few outstanding items we are currently working on. But they should be
> wrapped up shortly. (There are a few remaining FIXME comments in the code we are
> cleaning up as I write this). But if possible we would like to get your feedback even
> as we are addressing the issues we currently know about.
>
> Thanks
>
> Hank.
>
>
>
>
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