linux-kernel - Re: [PATCH] sound: depend on ZONE

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: <56486417.7090802@plexistor.com>
Date:	Sun, 15 Nov 2015 12:53:11 +0200
From:	Boaz Harrosh <boaz@...xistor.com>
To:	Takashi Iwai <tiwai@...e.de>,
	Dan Williams <dan.j.williams@...el.com>
CC:	linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
	linux-nvdimm@...ts.01.org, Jaroslav Kysela <perex@...ex.cz>,
	Jeff Moyer <jmoyer@...hat.com>,
	Stable Tree <stable@...r.kernel.org>
Subject: Re: [PATCH] sound: depend on ZONE_DMA

On 11/12/2015 10:38 PM, Takashi Iwai wrote:
> On Thu, 12 Nov 2015 21:13:57 +0100,
> Dan Williams wrote:
>>
>> There are several sound drivers that 'select ZONE_DMA'.  This is
>> backwards as ZONE_DMA is an architecture capability exported to drivers.
>> Switch the polarity of the dependency to disable these drivers when the
>> architecture does not support ZONE_DMA.  This was discovered in the
>> context of testing/enabling devm_memremap_pages() which depends on
>> ZONE_DEVICE.  ZONE_DEVICE in turn depends on !ZONE_DMA.
> 
> Makes sense.  I applied it now, thanks.
> 

Please add:
CC: Stable Tree <stable@...r.kernel.org>

Thanks
Boaz

> 
> Takashi
> 
>>
>> Cc: Jaroslav Kysela <perex@...ex.cz>
>> Cc: Takashi Iwai <tiwai@...e.com>
>> Cc: <alsa-devel@...a-project.org>
>> Reported-by: Jeff Moyer <jmoyer@...hat.com>
>> Signed-off-by: Dan Williams <dan.j.williams@...el.com>
>> ---
>>  sound/pci/Kconfig |   24 ++++++++++++------------
>>  1 file changed, 12 insertions(+), 12 deletions(-)
>>
>> diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig
>> index edfc1b8d553e..656ce39bddbc 100644
>> --- a/sound/pci/Kconfig
>> +++ b/sound/pci/Kconfig
>> @@ -25,7 +25,7 @@ config SND_ALS300
>>  	select SND_PCM
>>  	select SND_AC97_CODEC
>>  	select SND_OPL3_LIB
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say 'Y' or 'M' to include support for Avance Logic ALS300/ALS300+
>>  
>> @@ -50,7 +50,7 @@ config SND_ALI5451
>>  	tristate "ALi M5451 PCI Audio Controller"
>>  	select SND_MPU401_UART
>>  	select SND_AC97_CODEC
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y here to include support for the integrated AC97 sound
>>  	  device on motherboards using the ALi M5451 Audio Controller
>> @@ -155,7 +155,7 @@ config SND_AZT3328
>>  	select SND_PCM
>>  	select SND_RAWMIDI
>>  	select SND_AC97_CODEC
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y here to include support for Aztech AZF3328 (PCI168)
>>  	  soundcards.
>> @@ -463,7 +463,7 @@ config SND_EMU10K1
>>  	select SND_HWDEP
>>  	select SND_RAWMIDI
>>  	select SND_AC97_CODEC
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y to include support for Sound Blaster PCI 512, Live!,
>>  	  Audigy and E-mu APS (partially supported) soundcards.
>> @@ -479,7 +479,7 @@ config SND_EMU10K1X
>>  	tristate "Emu10k1X (Dell OEM Version)"
>>  	select SND_AC97_CODEC
>>  	select SND_RAWMIDI
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y here to include support for the Dell OEM version of the
>>  	  Sound Blaster Live!.
>> @@ -513,7 +513,7 @@ config SND_ES1938
>>  	select SND_OPL3_LIB
>>  	select SND_MPU401_UART
>>  	select SND_AC97_CODEC
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y here to include support for soundcards based on ESS Solo-1
>>  	  (ES1938, ES1946, ES1969) chips.
>> @@ -525,7 +525,7 @@ config SND_ES1968
>>  	tristate "ESS ES1968/1978 (Maestro-1/2/2E)"
>>  	select SND_MPU401_UART
>>  	select SND_AC97_CODEC
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y here to include support for soundcards based on ESS Maestro
>>  	  1/2/2E chips.
>> @@ -612,7 +612,7 @@ config SND_ICE1712
>>  	select SND_MPU401_UART
>>  	select SND_AC97_CODEC
>>  	select BITREVERSE
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y here to include support for soundcards based on the
>>  	  ICE1712 (Envy24) chip.
>> @@ -700,7 +700,7 @@ config SND_LX6464ES
>>  config SND_MAESTRO3
>>  	tristate "ESS Allegro/Maestro3"
>>  	select SND_AC97_CODEC
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y here to include support for soundcards based on ESS Maestro 3
>>  	  (Allegro) chips.
>> @@ -806,7 +806,7 @@ config SND_SIS7019
>>  	tristate "SiS 7019 Audio Accelerator"
>>  	depends on X86_32
>>  	select SND_AC97_CODEC
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y here to include support for the SiS 7019 Audio Accelerator.
>>  
>> @@ -818,7 +818,7 @@ config SND_SONICVIBES
>>  	select SND_OPL3_LIB
>>  	select SND_MPU401_UART
>>  	select SND_AC97_CODEC
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y here to include support for soundcards based on the S3
>>  	  SonicVibes chip.
>> @@ -830,7 +830,7 @@ config SND_TRIDENT
>>  	tristate "Trident 4D-Wave DX/NX; SiS 7018"
>>  	select SND_MPU401_UART
>>  	select SND_AC97_CODEC
>> -	select ZONE_DMA
>> +	depends on ZONE_DMA
>>  	help
>>  	  Say Y here to include support for soundcards based on Trident
>>  	  4D-Wave DX/NX or SiS 7018 chips.
>>
>>
> --
> 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/
> 

--
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/