[bug#53619] [PATCH 0/3] gnu: linux-libre: Build the snd-emu10k1 module.

[Maxim Cournoyer]

Hi Leo,

Leo Famulari <leo@famulari.name> writes:

> On Fri, Jan 28, 2022 at 09:30:34PM -0500, Maxim Cournoyer wrote:
>> Hello Guix,
>> 
>> If like me, you discovered a forgotten Sounblaster Live! from 2000 at the
>> bottom of your desktop and wondered why there was no support for it in the
>> Guix kernel config, this series is for you! ;-).
>> 
>> The last patch is unrelated; I find it convenient to have the current Linux
>> kernel's config exposed as /proc/config.gz, which makes it easy to consult,
>> for example to grep for the CONFIG_SND_EMU10K1 option!
>> 
>> Thank you,
>> 
>> Maxim Cournoyer (3):
>>   linux-libre: Normalize the CONFIG_ZONE_DMA to 'y' in kernel configs.
>>   linux-libre: Build SND_EMU10K1 as a module for x86.
>>   gnu: linux-libre: Expose running kernel config as /proc/config.gz.
>
> The first and third patches LGTM.

Thanks for having a look!

> It seems that the 2nd patch brings a lot of unrelated changes. Can you
> revise it to only add support for your old sound card?

The unrelated changes appear just by running 'make oldconfig' on the
master branch:

--8<---------------cut here---------------start------------->8---
$ guix build linux-libre@5.15 -S
/gnu/store/429863zh1abhyj21kpnxkalsv5q5bhi4-linux-libre-5.15.16-guix.tar.xz
maxim@hurd ~$ tar xf 
/gnu/store/429863zh1abhyj21kpnxkalsv5q5bhi4-linux-libre-5.15.16-guix.tar.xz -C 
/tmp
maxim@hurd ~$ cd /tmp/linux-5.15.16/
maxim@hurd /tmp/linux-5.15.16$ cp 
~/src/guix/gnu/packages/aux-files/linux-libre/5.15-x86_64.conf .config
maxim@hurd /tmp/linux-5.15.16$ guix shell -D linux-libre ncurses
maxim@hurd /tmp/linux-5.15.16 [env]$ make oldconfig
  HOSTCC  scripts/basic/fixdep
  HOSTCC  scripts/kconfig/conf.o
  HOSTCC  scripts/kconfig/confdata.o
  HOSTCC  scripts/kconfig/expr.o
  LEX     scripts/kconfig/lexer.lex.c
  YACC    scripts/kconfig/parser.tab.[ch]
  HOSTCC  scripts/kconfig/lexer.lex.o
  HOSTCC  scripts/kconfig/menu.o
  HOSTCC  scripts/kconfig/parser.tab.o
  HOSTCC  scripts/kconfig/preprocess.o
  HOSTCC  scripts/kconfig/symbol.o
  HOSTCC  scripts/kconfig/util.o
  HOSTLD  scripts/kconfig/conf
*
* Restart config...
*
*
* Bootup logo
*
Bootup logo (LOGO) [Y/n/?] y
  Standard black and white Linux logo (LOGO_LINUX_MONO) [N/y/?] n
  Standard 16-color Linux logo (LOGO_LINUX_VGA16) [N/y/?] n
  Standard 224-color Linux logo (LOGO_LINUX_CLUT224) [N/y/?] n
  224-color Linux-libre logo (LOGO_LIBRE_CLUT224) [Y/n/?] (NEW) n
#
# configuration written to .config
#
maxim@hurd /tmp/linux-5.15.16 [env]$ make oldconfig^C
(reverse-i-search)`diff': cp e796b33.^Cff 
~/src/guix-master/gnu/packages/patches/jami-memory-usage.patch
(reverse-i-search)`diff': __emacs_complete_pre_command;  echo -n 
"^[^[pwd=${PWD}^[^[";__EMACS_COMPLETE_WRAPPER='COMP_LINE='\''cp 
f5e4619.diff'\''; COMP_POINT=$(( 1 + ${#COMP_LINE} )); COMP_CWORD=1; 
COMP_WORDS=( cp f5e4619.diff ); _longopt cp f5e4619.^Cff cp' compgen -F 
__emacs_complete_wrapper -- f5e4619.diff 2>/dev/null
maxim@hurd /tmp/linux-5.15.16 [env]$ diff -u .config{.old,}
--- .config.old 2022-01-29 22:21:49.011196075 -0500
+++ .config     2022-01-29 22:22:16.774374081 -0500
@@ -1,20 +1,19 @@
 #
 # Automatically generated file; DO NOT EDIT.
-# Linux/x86 5.15.5 Kernel Configuration
+# Linux/x86 5.15.16-gnu Kernel Configuration
 #
-CONFIG_CC_VERSION_TEXT="gcc (GCC) 11.2.0"
+CONFIG_CC_VERSION_TEXT="gcc (GCC) 10.3.0"
 CONFIG_CC_IS_GCC=y
-CONFIG_GCC_VERSION=110200
+CONFIG_GCC_VERSION=100300
 CONFIG_CLANG_VERSION=0
 CONFIG_AS_IS_GNU=y
-CONFIG_AS_VERSION=23400
+CONFIG_AS_VERSION=23700
 CONFIG_LD_IS_BFD=y
-CONFIG_LD_VERSION=23400
+CONFIG_LD_VERSION=23700
 CONFIG_LLD_VERSION=0
 CONFIG_CC_CAN_LINK=y
 CONFIG_CC_CAN_LINK_STATIC=y
 CONFIG_CC_HAS_ASM_GOTO=y
-CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y
 CONFIG_CC_HAS_ASM_INLINE=y
 CONFIG_CC_HAS_NO_PROFILE_FN_ATTR=y
 CONFIG_IRQ_WORK=y
@@ -6763,6 +6762,7 @@
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
 # CONFIG_LOGO_LINUX_CLUT224 is not set
+# CONFIG_LOGO_LIBRE_CLUT224 is not set
 # end of Graphics support
 
 CONFIG_SOUND=m
@@ -8776,7 +8776,6 @@
 CONFIG_THINKPAD_ACPI_VIDEO=y
 CONFIG_THINKPAD_ACPI_HOTKEY_POLL=y
 CONFIG_THINKPAD_LMI=m
-CONFIG_X86_PLATFORM_DRIVERS_INTEL=y
 CONFIG_INTEL_ATOMISP2_PDX86=y
 CONFIG_INTEL_ATOMISP2_LED=m
 CONFIG_INTEL_SAR_INT1092=m
@@ -10322,8 +10321,6 @@
 CONFIG_STACKLEAK_RUNTIME_DISABLE=y
 CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
 # CONFIG_INIT_ON_FREE_DEFAULT_ON is not set
-CONFIG_CC_HAS_ZERO_CALL_USED_REGS=y
-# CONFIG_ZERO_CALL_USED_REGS is not set
 # end of Memory initialization
 # end of Kernel hardening options
 # end of Security options
@@ -10806,8 +10803,6 @@
 CONFIG_ARCH_HAS_UBSAN_SANITIZE_ALL=y
 # CONFIG_UBSAN is not set
 CONFIG_HAVE_ARCH_KCSAN=y
-CONFIG_HAVE_KCSAN_COMPILER=y
-# CONFIG_KCSAN is not set
 # end of Generic Kernel Debugging Instruments
 
 CONFIG_DEBUG_KERNEL=y
--8<---------------cut here---------------end--------------->8---

They appear to me as KConfig changes in the newer releases that weren't
propagated to the config files checked.  I've currently running a
reconfigure system on the kernel with an Soundblaster Audigy 2 sound
card; works well :-).

--8<---------------cut here---------------start------------->8---
$ zgrep EMU10K1 /proc/config.gz 
CONFIG_GAMEPORT_EMU10K1=m
CONFIG_SND_EMU10K1=m
CONFIG_SND_EMU10K1_SEQ=m
# CONFIG_SND_EMU10K1X is not set
--8<---------------cut here---------------end--------------->8---

Thanks,

Maxim