linux-kernel - Re: [PATCH v2] powerpc: fix for long standing bug noticed by gcc 4.4.0

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Date:	Thu, 23 Apr 2009 08:55:12 -0500
From:	Kumar Gala <galak@...nel.crashing.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Josh Boyer <jwboyer@...ux.vnet.ibm.com>,
	linuxppc-dev@...abs.org, linux-next@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] powerpc: fix for long standing bug noticed by gcc 4.4.0


On Apr 23, 2009, at 7:56 AM, Stephen Rothwell wrote:

> Previous gcc versions didn't notice this because one of the preceding
> #ifs always evaluated to true.
>
> gcc 4.4.0 produced this error:
>
> arch/powerpc/mm/tlb_nohash_low.S:206:6: error: #elif with no  
> expression
>
> Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Acked-by: Josh Boyer <jwboyer@...ux.vnet.ibm.com>
> ---
> arch/powerpc/mm/tlb_nohash_low.S |    2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> v2: fixed up commit message, added Josh'd Ack.

applied to merge.  Picking this up as I'm touching tlb_nohash_low.S w/ 
another "fix".

- k
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