Re: [PATCH v3] Remove silentoldconfig from help and docs; fix kconfig/conf's help

From: Masahiro Yamada
Date: Sat Jan 27 2018 - 20:41:44 EST


2018-01-27 7:59 GMT+09:00 Marc Herbert <marc.herbert@xxxxxxxxx>:
> As explained by Michal Marek at https://lkml.org/lkml/2011/8/31/189
> silentoldconfig has become a misnomer. It has become an internal interface
> so remove it from "make help" and Documentation/ to stop confusing people
> using it as seen for instance at
> https://chromium-review.googlesource.com/835632 Don't remove it from
> kconfig/Makefile yet not to break any (other) tool using it.
>
> On the other hand, correct and expand its description in the help of
> the (internal) scripts/kconfig/conf.c
>
> Signed-off-by: Marc Herbert <marc.herbert@xxxxxxxxx>
> ---
> v2: rewordings (Masahiro)
> v3: remove from Documentation/ too. Add warning comments in source.
>
> Documentation/admin-guide/README.rst | 5 -----
> scripts/kconfig/Makefile | 7 ++++---
> scripts/kconfig/conf.c | 6 ++++--
> 3 files changed, 8 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/admin-guide/README.rst b/Documentation/admin-guide/README.rst
> index 63066db39910..af5a437198d0 100644
> --- a/Documentation/admin-guide/README.rst
> +++ b/Documentation/admin-guide/README.rst
> @@ -170,11 +170,6 @@ Configuring the kernel
> your existing ./.config file and asking about
> new config symbols.
>
> - "make silentoldconfig"
> - Like above, but avoids cluttering the screen
> - with questions already answered.
> - Additionally updates the dependencies.
> -
> "make olddefconfig"
> Like above, but sets new symbols to their default
> values without prompting.
> diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
> index df6469fd3dcc..a460f9f7b733 100644
> --- a/scripts/kconfig/Makefile
> +++ b/scripts/kconfig/Makefile
> @@ -34,6 +34,8 @@ config: $(obj)/conf
> nconfig: $(obj)/nconf
> $< $(silent) $(Kconfig)
>
> +# This has become an internal implementation detail and is now deprecated
> +# for external use.
> silentoldconfig: $(obj)/conf
> $(Q)mkdir -p include/config include/generated
> $(Q)test -e include/generated/autoksyms.h || \
> @@ -142,7 +144,6 @@ help:
> @echo ' oldconfig - Update current config utilising a provided .config as base'
> @echo ' localmodconfig - Update current config disabling modules not loaded'
> @echo ' localyesconfig - Update current config converting local mods to core'
> - @echo ' silentoldconfig - Same as oldconfig, but quietly, additionally update deps'
> @echo ' defconfig - New config with default from ARCH supplied defconfig'
> @echo ' savedefconfig - Save current config as ./defconfig (minimal config)'
> @echo ' allnoconfig - New config where all options are answered with no'
> @@ -151,8 +152,8 @@ help:
> @echo ' alldefconfig - New config with all symbols set to default'
> @echo ' randconfig - New config with random answer to all options'
> @echo ' listnewconfig - List new options'
> - @echo ' olddefconfig - Same as silentoldconfig but sets new symbols to their'
> - @echo ' default value'
> + @echo ' olddefconfig - Same as oldconfig but sets new symbols to their'
> + @echo ' default value without prompting'
> @echo ' kvmconfig - Enable additional options for kvm guest kernel support'
> @echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support'
> @echo ' tinyconfig - Configure the tiniest possible kernel'
> diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
> index a8a97efd3dfc..a309ccec1000 100644
> --- a/scripts/kconfig/conf.c
> +++ b/scripts/kconfig/conf.c
> @@ -457,6 +457,7 @@ static void check_conf(struct menu *menu)
> static struct option long_opts[] = {
> {"oldaskconfig", no_argument, NULL, oldaskconfig},
> {"oldconfig", no_argument, NULL, oldconfig},
> + /* Has become a misnomer, "syncconfig" would be more accurate */

I removed this line (since nobody is sure about the future),
then applied to linux-kbuild/kconfig. Thanks!



> {"silentoldconfig", no_argument, NULL, silentoldconfig},
> {"defconfig", optional_argument, NULL, defconfig},
> {"savedefconfig", required_argument, NULL, savedefconfig},
> @@ -484,8 +485,9 @@ static void conf_usage(const char *progname)
> printf(" --listnewconfig List new options\n");
> printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
> printf(" --oldconfig Update a configuration using a provided .config as base\n");
> - printf(" --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n");
> - printf(" --olddefconfig Same as silentoldconfig but sets new symbols to their default value\n");
> + printf(" --silentoldconfig Similar to oldconfig but generates configuration in\n"
> + " include/{generated/,config/} (oldconfig used to be more verbose)\n");
> + printf(" --olddefconfig Same as oldconfig but sets new symbols to their default value\n");
> printf(" --oldnoconfig An alias of olddefconfig\n");
> printf(" --defconfig <file> New config with default defined in <file>\n");
> printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
> --
> 2.13.6
>
> --
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--
Best Regards
Masahiro Yamada