linux-kernel - Re: Build regressions/improvements in v3.0-rc7 (sound/isa/)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20110727121320.f50b1e6b.rdunlap@xenotime.net>
Date:	Wed, 27 Jul 2011 12:13:20 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Takashi Iwai <tiwai@...e.de>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: Build regressions/improvements in v3.0-rc7 (sound/isa/)

On Mon, 25 Jul 2011 09:10:03 -0700 Randy Dunlap wrote:

> On Mon, 25 Jul 2011 09:37:53 +0200 Takashi Iwai wrote:
> 
> > At Sun, 24 Jul 2011 12:26:24 -0700,
> > Randy Dunlap wrote:
> > > 
> > > On Wed, 13 Jul 2011 21:33:30 +0200 Geert Uytterhoeven wrote:
> > > 
> > > >   + src/sound/isa/ad1816a/ad1816a_lib.c: error: implicit declaration of function 'snd_dma_disable':  => 544
> > > >   + src/sound/isa/ad1816a/ad1816a_lib.c: error: implicit declaration of function 'snd_dma_pointer':  => 302
> > > >   + src/sound/isa/ad1816a/ad1816a_lib.c: error: implicit declaration of function 'snd_dma_program':  => 244
> > > >   + src/sound/isa/es1688/es1688_lib.c: error: implicit declaration of function 'snd_dma_pointer':  => 509
> > > >   + src/sound/isa/es1688/es1688_lib.c: error: implicit declaration of function 'snd_dma_program':  => 417
> > > >   + src/sound/isa/gus/gus_dma.c: error: implicit declaration of function 'snd_dma_disable':  => 177
> > > >   + src/sound/isa/gus/gus_dma.c: error: implicit declaration of function 'snd_dma_program':  => 79
> > > >   + src/sound/isa/gus/gus_pcm.c: error: implicit declaration of function 'snd_dma_pointer':  => 619
> > > >   + src/sound/isa/gus/gus_pcm.c: error: implicit declaration of function 'snd_dma_program':  => 591
> > > >   + src/sound/isa/sb/sb16_main.c: error: implicit declaration of function 'snd_dma_pointer':  => 456
> > > >   + src/sound/isa/sb/sb16_main.c: error: implicit declaration of function 'snd_dma_program':  => 276
> > > >   + src/sound/isa/sb/sb8_main.c: error: implicit declaration of function 'snd_dma_pointer':  => 425
> > > >   + src/sound/isa/sb/sb8_main.c: error: implicit declaration of function 'snd_dma_program':  => 172
> > > >   + src/sound/isa/sscape.c: error: implicit declaration of function 'snd_dma_program':  => 481
> > > >   + src/sound/isa/wss/wss_lib.c: error: implicit declaration of function 'snd_dma_disable':  => 1695
> > > >   + src/sound/isa/wss/wss_lib.c: error: implicit declaration of function 'snd_dma_pointer':  => 1160
> > > >   + src/sound/isa/wss/wss_lib.c: error: implicit declaration of function 'snd_dma_program':  => 1025
> > > 
> > > All of these source files do #include <sound/core.h>,
> > > but these missing/implicit functions are conditional:
> > > 
> > > #ifdef CONFIG_ISA_DMA_API
> > > #define DMA_MODE_NO_ENABLE	0x0100
> > > 
> > > void snd_dma_program(unsigned long dma, unsigned long addr, unsigned int size, unsigned short mode);
> > > void snd_dma_disable(unsigned long dma);
> > > unsigned int snd_dma_pointer(unsigned long dma, unsigned int size);
> > > #endif
> > > 
> > > so should these drivers all depend on ISA_DMA_API ?
> > 
> > Yes, these are ISA sound cards, so they must have CONFIG_ISA and
> > CONFIG_ISA_DMA.  Although CONFIG_SND_SB8_DSP, CONFIG_SND_SB16_DSP
> > and CONFIG_SND_WSS_LIB have no direct dependency, but the drivers
> > selecting these are all in "if SND_ISA" in sound/isa/Kconfig.
> 
> Hm, yes, they are.
> 
> > > or should only pieces of each driver depend on ISA_DMA_API ?
> > 
> > I wonder which configuration makes it possible.
> > Did you see a similar problem with randconfig?
> 
> No.  This parisc allmodconfig file from linux-next builds has
> CONFIG_SND_ISA=y but it does not have CONFIG_ISA_DMA_API enabled.  Weird.
> 
> Geert, do you know how this happens?
> 
> parisc config:  http://kisskb.ellerman.id.au/kisskb/buildresult/4323458/config/
> from this failed build:  http://kisskb.ellerman.id.au/kisskb/buildresult/4323458/

Hi Stephen,
How is CONFIG_ISA_DMA_API enabled in parisc allmodconfig?
I don't see how that happens, and it's causing build errors...

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/