linux-kernel - Re: [BUILD_FAILURE] 2.6.27-git2 - allyesconfig on powerpc selectsCONFIG_INTEL

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Message-ID: <20081013183503.GA28133@cs181140183.pp.htv.fi>
Date:	Mon, 13 Oct 2008 21:35:03 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	Brice Goglin <brice@...i.com>
Cc:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Jeff Garzik <jgarzik@...hat.com>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	linux-kernel@...r.kernel.org, apw@...dowen.org,
	linuxppc-dev@...abs.org, sam@...nborg.org,
	e1000-devel@...ts.sourceforge.net, netdev@...r.kernel.org,
	"Sosnowski, Maciej" <maciej.sosnowski@...el.com>
Subject: Re: [BUILD_FAILURE] 2.6.27-git2 - allyesconfig on powerpc
	selectsCONFIG_INTEL_IOATDMA=y

On Mon, Oct 13, 2008 at 08:21:45PM +0200, Brice Goglin wrote:
> Brandeburg, Jesse wrote:
> > What we want, is myri10ge and ixgbe drivers that can build whether or not CONFIG_INTEL_IOATDMA is enabled.  IF CONFIG_INTEL_IOATDMA *is* enabled (which it should not be on PPC) then there are several cases we want to work:
> > CONFIG_INTEL_IOATDMA=m  ---> CONFIG_IXGBE=[m|n]
> > CONFIG_INTEL_IOATDMA=y  ---> CONFIG_IXGBE=[m|y|n]
> > CONFIG_INTEL_IOATDMA=n  ---> CONFIG_IXGBE=[m|y|n]
> > CONFIG_INTEL_IOATDMA depends on X86
> 
> I am not sure I want to prevent myri10ge=y just because ioatdma=m.
>...

Technically both solutions are possible, which to choose is just a 
policy decision you have to agree on.

In practice it will anyway only rarely matter.

But considering that igb is in a similar situation it would be nice if 
all 3 drivers would handle it the same way.

> Brice

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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