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Date: Wed, 28 Feb 2018 06:43:39 +0100
From: Ulf Magnusson <ulfalizer@...il.com>
To: Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc: Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
Marc Herbert <marc.herbert@...el.com>,
Sam Ravnborg <sam@...nborg.org>,
"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Jonathan Corbet <corbet@....net>,
Michal Marek <michal.lkml@...kovi.net>
Subject: Re: [PATCH v2 6/6] kconfig: rename silentoldconfig to syncconfig
On Wed, Feb 28, 2018 at 6:41 AM, Ulf Magnusson <ulfalizer@...il.com> wrote:
> On Wed, Feb 28, 2018 at 09:15:26AM +0900, Masahiro Yamada wrote:
>> As commit cedd55d49dee ("kconfig: Remove silentoldconfig from help
>> and docs; fix kconfig/conf's help") mentioned, 'silentoldconfig' is a
>> historical misnomer. That commit removed it from help and docs since
>> it is an internal interface. If so, it should be allowed to rename
>> it to something more intuitive. 'syncconfig' is the one I came up
>> with because it updates the .config if necessary, then synchronize
>> other files with it.
>>
>> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
>> ---
>>
>> Changes in v2:
>> - newly added
>>
>> Documentation/kbuild/kconfig.txt | 2 +-
>> Makefile | 2 +-
>> scripts/kconfig/Makefile | 4 ++--
>> scripts/kconfig/conf.c | 20 ++++++++++----------
>> 4 files changed, 14 insertions(+), 14 deletions(-)
>>
>> diff --git a/Documentation/kbuild/kconfig.txt b/Documentation/kbuild/kconfig.txt
>> index bbc99c0..7233118 100644
>> --- a/Documentation/kbuild/kconfig.txt
>> +++ b/Documentation/kbuild/kconfig.txt
>> @@ -119,7 +119,7 @@ Examples:
>> 15% of tristates will be set to 'y', 15% to 'm', 70% to 'n'
>>
>> ______________________________________________________________________
>> -Environment variables for 'silentoldconfig'
>> +Environment variables for 'syncconfig'
>>
>> KCONFIG_NOSILENTUPDATE
>> --------------------------------------------------
>> diff --git a/Makefile b/Makefile
>> index 8706bf2..ea23d9b 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -598,7 +598,7 @@ $(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
>> # include/generated/ and include/config/. Update them if .config is newer than
>> # include/config/auto.conf (which mirrors .config).
>> include/config/%.conf: $(KCONFIG_CONFIG) include/config/auto.conf.cmd
>> - $(Q)$(MAKE) -f $(srctree)/Makefile silentoldconfig
>> + $(Q)$(MAKE) -f $(srctree)/Makefile syncconfig
>> else
>> # external modules needs include/generated/autoconf.h and include/config/auto.conf
>> # but do not care if they are up-to-date. Use auto.conf to trigger the test
>> diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
>> index bf9289a..988258a 100644
>> --- a/scripts/kconfig/Makefile
>> +++ b/scripts/kconfig/Makefile
>> @@ -3,7 +3,7 @@
>> # Kernel configuration targets
>> # These targets are used from top-level makefile
>>
>> -PHONY += xconfig gconfig menuconfig config silentoldconfig update-po-config \
>> +PHONY += xconfig gconfig menuconfig config syncconfig update-po-config \
>> localmodconfig localyesconfig
>>
>> ifdef KBUILD_KCONFIG
>> @@ -36,7 +36,7 @@ nconfig: $(obj)/nconf
>>
>> # This has become an internal implementation detail and is now deprecated
>> # for external use.
>> -silentoldconfig: $(obj)/conf
>> +syncconfig: $(obj)/conf
>> $(Q)mkdir -p include/config include/generated
>> $(Q)test -e include/generated/autoksyms.h || \
>> touch include/generated/autoksyms.h
>> diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
>> index 11a4e45..4e08121 100644
>> --- a/scripts/kconfig/conf.c
>> +++ b/scripts/kconfig/conf.c
>> @@ -23,7 +23,7 @@ static void check_conf(struct menu *menu);
>>
>> enum input_mode {
>> oldaskconfig,
>> - silentoldconfig,
>> + syncconfig,
>> oldconfig,
>> allnoconfig,
>> allyesconfig,
>> @@ -100,7 +100,7 @@ static int conf_askvalue(struct symbol *sym, const char *def)
>>
>> switch (input_mode) {
>> case oldconfig:
>> - case silentoldconfig:
>> + case syncconfig:
>> if (sym_has_value(sym)) {
>> printf("%s\n", def);
>> return 0;
>> @@ -293,7 +293,7 @@ static int conf_choice(struct menu *menu)
>> printf("[1-%d?]: ", cnt);
>> switch (input_mode) {
>> case oldconfig:
>> - case silentoldconfig:
>> + case syncconfig:
>> if (!is_new) {
>> cnt = def;
>> printf("%d\n", cnt);
>> @@ -441,7 +441,7 @@ static void check_conf(struct menu *menu)
>> static struct option long_opts[] = {
>> {"oldaskconfig", no_argument, NULL, oldaskconfig},
>> {"oldconfig", no_argument, NULL, oldconfig},
>> - {"silentoldconfig", no_argument, NULL, silentoldconfig},
>> + {"syncconfig", no_argument, NULL, syncconfig},
>> {"defconfig", optional_argument, NULL, defconfig},
>> {"savedefconfig", required_argument, NULL, savedefconfig},
>> {"allnoconfig", no_argument, NULL, allnoconfig},
>> @@ -468,8 +468,8 @@ 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 Similar to oldconfig but generates configuration in\n"
>> - " include/{generated/,config/} (oldconfig used to be more verbose)\n");
>> + printf(" --syncconfig Similar to oldconfig but generates configuration in\n"
>> + " include/{generated/,config/}\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");
>> @@ -501,7 +501,7 @@ int main(int ac, char **av)
>> }
>> input_mode = (enum input_mode)opt;
>> switch (opt) {
>> - case silentoldconfig:
>> + case syncconfig:
>> sync_kconfig = 1;
>> break;
>> case defconfig:
>> @@ -583,7 +583,7 @@ int main(int ac, char **av)
>> }
>> break;
>> case savedefconfig:
>> - case silentoldconfig:
>> + case syncconfig:
>> case oldaskconfig:
>> case oldconfig:
>> case listnewconfig:
>> @@ -667,7 +667,7 @@ int main(int ac, char **av)
>> /* fall through */
>> case oldconfig:
>> case listnewconfig:
>> - case silentoldconfig:
>> + case syncconfig:
>> /* Update until a loop caused no more changes */
>> do {
>> conf_cnt = 0;
>> @@ -680,7 +680,7 @@ int main(int ac, char **av)
>> }
>>
>> if (sync_kconfig) {
>> - /* silentoldconfig is used during the build so we shall update autoconf.
>> + /* syncconfig is used during the build so we shall update autoconf.
>> * All other commands are only used to generate a config.
>> */
>> if (conf_get_changed() && conf_write(NULL)) {
>> --
>> 2.7.4
>>
>
> I wonder if it might be helpful to keep the silentoldconfig target for a
> while and have it just fail with a message like the following:
>
> silentoldconfig has been renamed to syncconfig and is now an
> internal implementation detail. What you probably want is
> oldconfig.
>
> Going on Google and https://lkml.org/lkml/2018/2/12/1084, there might be
> quite a lot of scripts and the like that call silentoldconfig.
>
> Alternatively, it could call through to syncconfig and also generate a
> warning that it's about to removed (like for olddefconfig).
*oldnoconfig
Cheers,
Ulf
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