linux-kernel - Re: 2.6.23-rc3-mm1: inlining failures in sound/pci/hda/hda

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Message-ID: <20070822214435.GK30705@stusta.de>
Date:	Wed, 22 Aug 2007 23:44:35 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Mariusz Kozlowski <m.kozlowski@...land.pl>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.23-rc3-mm1: inlining failures in sound/pci/hda/hda_codec.c

On Wed, Aug 22, 2007 at 11:07:33PM +0200, Takashi Iwai wrote:
> At Wed, 22 Aug 2007 22:23:03 +0200,
> Mariusz Kozlowski wrote:
> > 
> > Hello,
> > 
> > 	This is from x86_32 with gcc 3.4.6:
> > 
> >   CC [M]  sound/pci/hda/hda_codec.o
> > sound/pci/hda/hda_codec.c: In function `snd_hda_codec_free':
> > sound/pci/hda/hda_codec.c:517: sorry, unimplemented: inlining failed in call to 'free_hda_cache': function body not available
> > sound/pci/hda/hda_codec.c:534: sorry, unimplemented: called from here
> > sound/pci/hda/hda_codec.c:517: sorry, unimplemented: inlining failed in call to 'free_hda_cache': function body not available
> > sound/pci/hda/hda_codec.c:535: sorry, unimplemented: called from here
> > make[3]: *** [sound/pci/hda/hda_codec.o] Error 1
> > make[2]: *** [sound/pci/hda] Error 2
> > make[1]: *** [sound/pci] Error 2
> > make: *** [sound] Error 2
> 
> Since it doesn't happen with gcc-4.x, this looks like a gcc-3.x
> specific problem.
>...

It happens because gcc doesn't see the whole file without 
unit-at-a-time and we disable unit-at-a-time with gcc 3.4 on i386 due 
to stack usage problems (and older GNU gcc versions don't support 
unit-at-a-time at all).

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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