netdev - Re: [net-next patch v2] bnx2x: Add run-time CNIC support

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Message-ID: <1341924089.27035.7.camel@lb-tlvb-eilong.il.broadcom.com>
Date:	Tue, 10 Jul 2012 15:41:29 +0300
From:	"Eilon Greenstein" <eilong@...adcom.com>
To:	"David Miller" <davem@...emloft.net>
cc:	meravs@...adcom.com, netdev@...r.kernel.org, dmitry@...adcom.com
Subject: Re: [net-next patch v2] bnx2x: Add run-time CNIC support

On Tue, 2012-07-10 at 05:37 -0700, David Miller wrote:
> From: "Eilon Greenstein" <eilong@...adcom.com>
> Date: Tue, 10 Jul 2012 15:33:54 +0300
> 
> > On Tue, 2012-07-10 at 05:21 -0700, David Miller wrote:
> >> Make it really dynamic, and properly configurable at run time, so
> >> people don't have to go through hoops to get the "advantages" you
> >> speak so highly of.
> > 
> > This is possible for the resources, but not for the latency - we cannot
> > change the HW mode once traffic started to run. Why is that so bad to
> > support Kconfig as a working mode like we did thus far? We are using it
> > specifically for users that wants to optimize the kernel, so Kconfig
> > does not sound that bad in that context.
> 
> Sure you can find a way to make this work, you just really aren't
> trying hard enough.
> 
> The current situation is a huge and gross hack.  I'm not letting you
> continue spreading this disease.
> 
> Implement this properly, I really mean it.
> 

OK. Since it blocks the ability to add SR-IOV support, is it acceptable
to submit it as constant enabled for PF and disabled for VF (SR-IOV)?


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