linux-kernel - Re: [alsa-devel] future of sounds/oss

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Message-ID: <s5hy3u32lhi.wl-tiwai@suse.de>
Date:   Thu, 11 May 2017 22:21:13 +0200
From:   Takashi Iwai <tiwai@...e.de>
To:     Christoph Hellwig <hch@....de>
Cc:     Jaroslav Kysela <perex@...ex.cz>,
        Linus Torvalds <torvalds@...uxfoundation.org>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [alsa-devel] future of sounds/oss

On Thu, 11 May 2017 11:15:11 +0200,
Christoph Hellwig wrote:
> 
> On Thu, May 11, 2017 at 10:46:47AM +0200, Takashi Iwai wrote:
> > Yeah, I also started looking at it after reading the LWN article.
> > The removal of set_fs() in ALSA part was already finished, and I'm
> > currently brushing up the patches.  It'll be in 4.13 at latest.
> 
> Great!
> 
> > That said, I'd love to drop that legacy stuff; or maybe as a
> > soft-landing, begin with disabling the build of sound/oss in Kconfig.
> > 
> > The latter can be done even for 4.12, if Linus doesn't mind.
> 
> I'd be absolutely in favor of trying that and seeing if anyone
> screams.

Since no one cried against it so far, I'll try to smuggle the
following patch into 4.12.


Takashi

-- 8< --
From: Takashi Iwai <tiwai@...e.de>
Subject: [PATCH] sound: Disable the build of OSS drivers

OSS drivers are left as badly unmaintained, and now we're facing a
problem to clean up the hackish set_fs() usage in their codes.  Since
most of drivers have been covered by ALSA, and the others are dead old
and inactive, let's leave them RIP.

This patch is the first step: disable the build of OSS drivers.
We'll eventually drop the whole codes and clean up later.

Signed-off-by: Takashi Iwai <tiwai@...e.de>
---
 sound/Kconfig | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/sound/Kconfig b/sound/Kconfig
index ee2e69a9ecd1..41eda578d08e 100644
--- a/sound/Kconfig
+++ b/sound/Kconfig
@@ -54,7 +54,8 @@ config SOUND_OSS_CORE_PRECLAIM
 
 	  If unsure, say Y.
 
-source "sound/oss/dmasound/Kconfig"
+### TO-BE-REMOVED
+# source "sound/oss/dmasound/Kconfig"
 
 if !M68K && !UML
 
@@ -112,17 +113,18 @@ source "sound/x86/Kconfig"
 
 endif # SND
 
-menuconfig SOUND_PRIME
-	tristate "Open Sound System (DEPRECATED)"
-	select SOUND_OSS_CORE
-	help
-	  Say 'Y' or 'M' to enable Open Sound System drivers.
-
-if SOUND_PRIME
-
-source "sound/oss/Kconfig"
-
-endif # SOUND_PRIME
+### TO-BE-REMOVED
+# menuconfig SOUND_PRIME
+# 	tristate "Open Sound System (DEPRECATED)"
+# 	select SOUND_OSS_CORE
+# 	help
+# 	  Say 'Y' or 'M' to enable Open Sound System drivers.
+#
+# if SOUND_PRIME
+#
+# source "sound/oss/Kconfig"
+#
+# endif # SOUND_PRIME
 
 endif # !M68K
 
-- 
2.12.2