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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-06 22:07:28 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-06-06 22:07:28 +0300 |
commit | b170290c2836c40ab565736ba37681eb3dfd79b8 (patch) | |
tree | 4c98213b0fdd0726dc5223f7556c3f64facbb933 /scripts | |
parent | cff11abeca78aa782378401ca2800bd2194aa14e (diff) | |
parent | bcfefb61cd2bc86329915a4074f7b4c48b00b33a (diff) |
Merge tag 'kconfig-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kconfig updates from Masahiro Yamada:
- allow only 'config', 'comment', 'if' statements inside 'choice' since
the other statements are not sensible inside 'choice' and should be
grammatical error
- support LMC_KEEP env variable for 'make local{yes,mod}config' to
preserve some CONFIG options
- deprecate 'make kvmconfig' and 'make xenconfig' in favor of
'make kvm_guest.config' and 'make xen.config'
- code cleanups
* tag 'kconfig-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kconfig: announce removal of 'kvmconfig' and 'xenconfig' shorthands
streamline_config.pl: add LMC_KEEP to preserve some kconfigs
kconfig: allow only 'config', 'comment', and 'if' inside 'choice'
kconfig: tests: remove randconfig test for choice in choice
kconfig: do not assign a variable in the return statement
kconfig: do not use OR-assignment for zero-cleared structure
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/kconfig/Makefile | 11 | ||||
-rw-r--r-- | scripts/kconfig/menu.c | 3 | ||||
-rw-r--r-- | scripts/kconfig/parser.y | 30 | ||||
-rwxr-xr-x | scripts/kconfig/streamline_config.pl | 21 | ||||
-rw-r--r-- | scripts/kconfig/symbol.c | 2 | ||||
-rw-r--r-- | scripts/kconfig/tests/rand_nested_choice/Kconfig | 35 | ||||
-rw-r--r-- | scripts/kconfig/tests/rand_nested_choice/__init__.py | 17 | ||||
-rw-r--r-- | scripts/kconfig/tests/rand_nested_choice/expected_stdout0 | 2 | ||||
-rw-r--r-- | scripts/kconfig/tests/rand_nested_choice/expected_stdout1 | 4 | ||||
-rw-r--r-- | scripts/kconfig/tests/rand_nested_choice/expected_stdout2 | 5 |
10 files changed, 46 insertions, 84 deletions
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile index c9d0a4a8efb3..426881ea954f 100644 --- a/scripts/kconfig/Makefile +++ b/scripts/kconfig/Makefile @@ -96,11 +96,13 @@ configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/c PHONY += kvmconfig kvmconfig: kvm_guest.config - @: + @echo >&2 "WARNING: 'make $@' will be removed after Linux 5.10" + @echo >&2 " Please use 'make $<' instead." PHONY += xenconfig xenconfig: xen.config - @: + @echo >&2 "WARNING: 'make $@' will be removed after Linux 5.10" + @echo >&2 " Please use 'make $<' instead." PHONY += tinyconfig tinyconfig: @@ -123,7 +125,9 @@ help: @echo ' gconfig - Update current config utilising a GTK+ based front-end' @echo ' oldconfig - Update current config utilising a provided .config as base' @echo ' localmodconfig - Update current config disabling modules not loaded' + @echo ' except those preserved by LMC_KEEP environment variable' @echo ' localyesconfig - Update current config converting local mods to core' + @echo ' except those preserved by LMC_KEEP environment variable' @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' @@ -137,9 +141,6 @@ help: @echo ' helpnewconfig - List new options and help text' @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' - @echo ' support' @echo ' tinyconfig - Configure the tiniest possible kernel' @echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)' diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index e436ba44c9c5..a5fbd6ccc006 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -65,7 +65,8 @@ void menu_add_entry(struct symbol *sym) struct menu *menu_add_menu(void) { last_entry_ptr = ¤t_entry->list; - return current_menu = current_entry; + current_menu = current_entry; + return current_menu; } void menu_end_menu(void) diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y index 708b6c4b13ca..190f1117f35a 100644 --- a/scripts/kconfig/parser.y +++ b/scripts/kconfig/parser.y @@ -119,20 +119,24 @@ mainmenu_stmt: T_MAINMENU T_WORD_QUOTE T_EOL stmt_list: /* empty */ - | stmt_list common_stmt + | stmt_list assignment_stmt | stmt_list choice_stmt + | stmt_list comment_stmt + | stmt_list config_stmt + | stmt_list if_stmt | stmt_list menu_stmt + | stmt_list menuconfig_stmt + | stmt_list source_stmt | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); } | stmt_list error T_EOL { zconf_error("invalid statement"); } ; -common_stmt: - if_stmt - | comment_stmt - | config_stmt - | menuconfig_stmt - | source_stmt - | assignment_stmt +stmt_list_in_choice: + /* empty */ + | stmt_list_in_choice comment_stmt + | stmt_list_in_choice config_stmt + | stmt_list_in_choice if_stmt_in_choice + | stmt_list_in_choice error T_EOL { zconf_error("invalid statement"); } ; /* config/menuconfig entry */ @@ -254,7 +258,7 @@ choice_end: end } }; -choice_stmt: choice_entry choice_block choice_end +choice_stmt: choice_entry stmt_list_in_choice choice_end ; choice_option_list: @@ -305,11 +309,6 @@ default: | T_DEF_BOOL { $$ = S_BOOLEAN; } | T_DEF_TRISTATE { $$ = S_TRISTATE; } -choice_block: - /* empty */ - | choice_block common_stmt -; - /* if entry */ if_entry: T_IF expr T_EOL @@ -331,6 +330,9 @@ if_end: end if_stmt: if_entry stmt_list if_end ; +if_stmt_in_choice: if_entry stmt_list_in_choice if_end +; + /* menu entry */ menu: T_MENU T_WORD_QUOTE T_EOL diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl index e2f8504f5a2d..19857d18d814 100755 --- a/scripts/kconfig/streamline_config.pl +++ b/scripts/kconfig/streamline_config.pl @@ -143,6 +143,7 @@ my %depends; my %selects; my %prompts; my %objects; +my %config2kfile; my $var; my $iflevel = 0; my @ifdeps; @@ -201,6 +202,7 @@ sub read_kconfig { if (/^\s*(menu)?config\s+(\S+)\s*$/) { $state = "NEW"; $config = $2; + $config2kfile{"CONFIG_$config"} = $kconfig; # Add depends for 'if' nesting for (my $i = 0; $i < $iflevel; $i++) { @@ -591,6 +593,20 @@ while ($repeat) { } my %setconfigs; +my @preserved_kconfigs = split(/:/,$ENV{LMC_KEEP}); + +sub in_preserved_kconfigs { + my $kconfig = $config2kfile{$_[0]}; + if (!defined($kconfig)) { + return 0; + } + foreach my $excl (@preserved_kconfigs) { + if($kconfig =~ /^$excl/) { + return 1; + } + } + return 0; +} # Finally, read the .config file and turn off any module enabled that # we could not find a reason to keep enabled. @@ -644,6 +660,11 @@ foreach my $line (@config_file) { } if (/^(CONFIG.*)=(m|y)/) { + if (in_preserved_kconfigs($1)) { + dprint "Preserve config $1"; + print; + next; + } if (defined($configs{$1})) { if ($localyesconfig) { $setconfigs{$1} = 'y'; diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index 3dc81397d003..9363e37b8870 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -831,7 +831,7 @@ struct symbol *sym_lookup(const char *name, int flags) memset(symbol, 0, sizeof(*symbol)); symbol->name = new_name; symbol->type = S_UNKNOWN; - symbol->flags |= flags; + symbol->flags = flags; symbol->next = symbol_hash[hash]; symbol_hash[hash] = symbol; diff --git a/scripts/kconfig/tests/rand_nested_choice/Kconfig b/scripts/kconfig/tests/rand_nested_choice/Kconfig deleted file mode 100644 index 8350de7f732b..000000000000 --- a/scripts/kconfig/tests/rand_nested_choice/Kconfig +++ /dev/null @@ -1,35 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 - -choice - prompt "choice" - -config A - bool "A" - -config B - bool "B" - -if B -choice - prompt "sub choice" - -config C - bool "C" - -config D - bool "D" - -if D -choice - prompt "subsub choice" - -config E - bool "E" - -endchoice -endif # D - -endchoice -endif # B - -endchoice diff --git a/scripts/kconfig/tests/rand_nested_choice/__init__.py b/scripts/kconfig/tests/rand_nested_choice/__init__.py deleted file mode 100644 index 9e4b2db53581..000000000000 --- a/scripts/kconfig/tests/rand_nested_choice/__init__.py +++ /dev/null @@ -1,17 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -""" -Set random values recursively in nested choices. - -Kconfig can create a choice-in-choice structure by using 'if' statement. -randconfig should correctly set random choice values. - -Related Linux commit: 3b9a19e08960e5cdad5253998637653e592a3c29 -""" - - -def test(conf): - for i in range(20): - assert conf.randconfig() == 0 - assert (conf.config_contains('expected_stdout0') or - conf.config_contains('expected_stdout1') or - conf.config_contains('expected_stdout2')) diff --git a/scripts/kconfig/tests/rand_nested_choice/expected_stdout0 b/scripts/kconfig/tests/rand_nested_choice/expected_stdout0 deleted file mode 100644 index 05450f3d4eb5..000000000000 --- a/scripts/kconfig/tests/rand_nested_choice/expected_stdout0 +++ /dev/null @@ -1,2 +0,0 @@ -CONFIG_A=y -# CONFIG_B is not set diff --git a/scripts/kconfig/tests/rand_nested_choice/expected_stdout1 b/scripts/kconfig/tests/rand_nested_choice/expected_stdout1 deleted file mode 100644 index 37ab29584157..000000000000 --- a/scripts/kconfig/tests/rand_nested_choice/expected_stdout1 +++ /dev/null @@ -1,4 +0,0 @@ -# CONFIG_A is not set -CONFIG_B=y -CONFIG_C=y -# CONFIG_D is not set diff --git a/scripts/kconfig/tests/rand_nested_choice/expected_stdout2 b/scripts/kconfig/tests/rand_nested_choice/expected_stdout2 deleted file mode 100644 index 849ff47e9848..000000000000 --- a/scripts/kconfig/tests/rand_nested_choice/expected_stdout2 +++ /dev/null @@ -1,5 +0,0 @@ -# CONFIG_A is not set -CONFIG_B=y -# CONFIG_C is not set -CONFIG_D=y -CONFIG_E=y |