netdev - Re: [PATCH v2 1/1] RDMA/mana_ib: Add EQ interrupt support to mana ib driver.

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Message-ID: <ZIdhBtz/++OoyhyR@ziepe.ca>
Date: Mon, 12 Jun 2023 15:16:38 -0300
From: Jason Gunthorpe <jgg@...pe.ca>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Leon Romanovsky <leon@...nel.org>, Wei Hu <weh@...rosoft.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
	"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
	Long Li <longli@...rosoft.com>,
	Ajay Sharma <sharmaajay@...rosoft.com>,
	KY Srinivasan <kys@...rosoft.com>,
	Haiyang Zhang <haiyangz@...rosoft.com>,
	"wei.liu@...nel.org" <wei.liu@...nel.org>,
	Dexuan Cui <decui@...rosoft.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"edumazet@...gle.com" <edumazet@...gle.com>,
	"pabeni@...hat.com" <pabeni@...hat.com>,
	"vkuznets@...hat.com" <vkuznets@...hat.com>,
	"ssengar@...ux.microsoft.com" <ssengar@...ux.microsoft.com>,
	"shradhagupta@...ux.microsoft.com" <shradhagupta@...ux.microsoft.com>
Subject: Re: [PATCH v2 1/1] RDMA/mana_ib: Add EQ interrupt support to mana ib
 driver.

On Mon, Jun 12, 2023 at 10:22:21AM -0700, Jakub Kicinski wrote:
> On Mon, 12 Jun 2023 09:13:49 +0300 Leon Romanovsky wrote:
> > > Thanks for you comment. I am  new to the process. I have a few
> > > questions regarding to this and hope you can help. First of all,
> > > the patch is mostly for IB. Is it possible for the patch to just go
> > > through the RDMA branch, since most of the changes are in RDMA?   
> > 
> > Yes, it can, we (RDMA) will handle it.
> 
> Probably, although it's better to teach them some process sooner
> rather than later?

I've been of the opinion the shared branch process is difficult - we
took a long time to fine tune the process. If you don't fully
understand how to do this with git you can make a real mess of it.

So I would say MS is welcome to use it if they can do it right, but I
wouldn't push them to do so or expect they must to be
successful. Really only Mellanox and Intel seem to have enough churn
to justify it right now.

If they don't use shared branches then they must be responsible to
avoid conflicts, even if that means they have to delay sending patches
for a cycle.

Jason