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From: "Frank E. Svendsbøe" <frank.svendsboe@gmail.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org, Wolfgang Denk <wd@denx.de>,
	robert.karl.berger@gmail.com
Subject: Re: kilauea compilation breaks with v3.3 kernel and ELDK 4.2
Date: Mon, 2 Apr 2012 00:14:00 +0200	[thread overview]
Message-ID: <20120401221359.GA31730@gnubox> (raw)
In-Reply-To: <1333152184.30734.3.camel@pasglop>

On Sat, Mar 31, 2012 at 11:03:04AM +1100, Benjamin Herrenschmidt wrote:
> On Sat, 2012-03-31 at 00:53 +0200, Frank Svendsbøe wrote:
> 
> > Hi Josh Boyer,
> > 
> > just wanted to add that I'm experiencing the same problem that Robert
> > reported, but on 8xx instead of 4xx. The mpc8xx does not support the
> > mfdcrx instruction, so maybe it's more to it than just a binutils bug?
> 
> The kernel shouldn't have tried to build that instruction on 8xx, though
> I suppose if it's in arch/powerpc/boot, we are a bit too eager at
> building everything including what's not relevant, we might to be a bit
> more careful at excluding 4xx stuff on a 8xx kernel.
>

Yes. I agree on Wolfgangs statement regarding not building code we
don't want/need. Please explain to me why src-wlib/src-plat in
arch/powerpc/boot/Makefile includes every ppc target...

> Can you give us the exact error ?
>

Yes. The problem is caused by commit 228d550 by Tony Breeds

arch/powerpc/boot/treeboot-currituck.c:50
reg = mfdcrx(DDR3_MR0CF + i);

-- 
Best regards,
Frank

  reply	other threads:[~2012-04-01 22:14 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-21 12:10 kilauea compilation breaks with v3.3 kernel and ELDK 4.2 Robert Berger
2012-03-21 13:29 ` Josh Boyer
2012-03-21 16:25   ` Wolfgang Denk
2012-03-24 23:53     ` Benjamin Herrenschmidt
2012-03-26 13:36       ` Josh Boyer
2012-03-30 22:53         ` Frank Svendsbøe
2012-03-31  0:03           ` Benjamin Herrenschmidt
2012-04-01 22:14             ` Frank E. Svendsbøe [this message]
2012-04-02  2:01               ` Benjamin Herrenschmidt
2012-04-02  6:28                 ` Tony Breeds
2012-04-02  8:37                   ` Frank E. Svendsbøe
2012-05-06 14:37                   ` Robert Berger
2012-05-17 14:37                     ` Frank Svendsbøe
2012-04-02 12:10             ` Josh Boyer
2012-04-02 21:08               ` Benjamin Herrenschmidt
2012-04-02 21:26                 ` Josh Boyer
2012-04-04 19:21               ` Wolfgang Denk
2012-04-05  0:02                 ` Stephen Rothwell
2012-04-05 17:44                   ` Wolfgang Denk
2012-03-21 22:14 ` Tony Breeds
2012-03-21 22:34   ` Wolfgang Denk

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