linux-kernel - Re: [PATCH] sound: Add dependency on DMA

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: <20c84fff-13d0-e608-1237-6bc567014cc5@gmail.com>
Date:   Thu, 17 Nov 2016 11:14:52 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     linux-kernel@...r.kernel.org,
        "moderated list:SOUND" <alsa-devel@...a-project.org>,
        arnd@...db.de, Jaroslav Kysela <perex@...ex.cz>
Subject: Re: [PATCH] sound: Add dependency on DMA

On 11/17/2016 11:03 AM, Takashi Iwai wrote:
> On Thu, 17 Nov 2016 19:52:37 +0100,
> Florian Fainelli wrote:
>>
>> Architectures like m32r do not have a proper DMA-API implementation,
>> fixes COMPILE_TEST linking failures for the sounds subsystem.
> 
> What error did you get exactly?
> There are already CONFIG_HAS_DMA dependency in a few places, so I
> wonder what's missing.

They looked like these:

sound/built-in.o: In function `snd_pcm_lib_default_mmap':
(.text+0xbb14): undefined reference to `bad_dma_ops'
sound/built-in.o: In function `snd_pcm_lib_default_mmap':
(.text+0xbb1c): undefined reference to `bad_dma_ops'
sound/built-in.o: In function `snd_pcm_lib_default_mmap':
(.text+0xbb34): undefined reference to `dma_common_mmap'
sound/built-in.o: In function `snd_pcm_lib_default_mmap':
(.text+0xbb34): relocation truncated to fit: R_M32R_26_PCREL_RELA
against undefined symbol `dma_common_mmap'
Makefile:961: recipe for target 'vmlinux' failed

I could probably add an ifdef CONFIG_HAS_DMA just surrounding these
snd_pcm_lib if you think this is more appropriate?
-- 
Florian