From a9b722847872d43595d072d7fd550f08fe6764fd Mon Sep 17 00:00:00 2001 From: Anders Roxell Date: Mon, 12 Nov 2018 09:38:55 +0100 Subject: scripts/kconfig/merge_config: don't redefine 'y' to 'm' In today's merge_config.sh the order of the config fragment files dictates the output of a config option. With this approach we will get different .config files depending on the order of the config fragment files. So doing something like: $ ./merge/kconfig/merge_config.sh selftest.config drm.config Where selftest.config defines DRM=y and drm.config defines DRM=m, the result will be "DRM=m". Rework to add a switch to get builtin '=y' precedence over modules '=m', this will result in "DRM=y". If we do something like this: $ ./merge/kconfig/merge_config.sh -y selftest.config drm.config Suggested-by: Arnd Bergmann Signed-off-by: Anders Roxell Signed-off-by: Masahiro Yamada --- scripts/kconfig/merge_config.sh | 37 +++++++++++++++++++++++++++++-------- 1 file changed, 29 insertions(+), 8 deletions(-) diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh index 0ef906499646..9b89791b202c 100755 --- a/scripts/kconfig/merge_config.sh +++ b/scripts/kconfig/merge_config.sh @@ -22,6 +22,7 @@ clean_up() { rm -f $TMP_FILE + rm -f $MERGE_FILE exit } trap clean_up HUP INT TERM @@ -32,6 +33,7 @@ usage() { echo " -m only merge the fragments, do not execute the make command" echo " -n use allnoconfig instead of alldefconfig" echo " -r list redundant entries when merging fragments" + echo " -y make builtin have precedence over modules" echo " -O dir to put generated output files. Consider setting \$KCONFIG_CONFIG instead." echo echo "Used prefix: '$CONFIG_PREFIX'. You can redefine it with \$CONFIG_ environment variable." @@ -40,6 +42,7 @@ usage() { RUNMAKE=true ALLTARGET=alldefconfig WARNREDUN=false +BUILTIN=false OUTPUT=. CONFIG_PREFIX=${CONFIG_-CONFIG_} @@ -64,6 +67,11 @@ while true; do shift continue ;; + "-y") + BUILTIN=true + shift + continue + ;; "-O") if [ -d $2 ];then OUTPUT=$(echo $2 | sed 's/\/*$//') @@ -106,32 +114,45 @@ SED_CONFIG_EXP1="s/^\(${CONFIG_PREFIX}[a-zA-Z0-9_]*\)=.*/\1/p" SED_CONFIG_EXP2="s/^# \(${CONFIG_PREFIX}[a-zA-Z0-9_]*\) is not set$/\1/p" TMP_FILE=$(mktemp ./.tmp.config.XXXXXXXXXX) +MERGE_FILE=$(mktemp ./.merge_tmp.config.XXXXXXXXXX) echo "Using $INITFILE as base" cat $INITFILE > $TMP_FILE # Merge files, printing warnings on overridden values -for MERGE_FILE in $MERGE_LIST ; do - echo "Merging $MERGE_FILE" - if [ ! -r "$MERGE_FILE" ]; then - echo "The merge file '$MERGE_FILE' does not exist. Exit." >&2 +for ORIG_MERGE_FILE in $MERGE_LIST ; do + echo "Merging $ORIG_MERGE_FILE" + if [ ! -r "$ORIG_MERGE_FILE" ]; then + echo "The merge file '$ORIG_MERGE_FILE' does not exist. Exit." >&2 exit 1 fi + cat $ORIG_MERGE_FILE > $MERGE_FILE CFG_LIST=$(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $MERGE_FILE) for CFG in $CFG_LIST ; do grep -q -w $CFG $TMP_FILE || continue PREV_VAL=$(grep -w $CFG $TMP_FILE) NEW_VAL=$(grep -w $CFG $MERGE_FILE) - if [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then - echo Value of $CFG is redefined by fragment $MERGE_FILE: + BUILTIN_FLAG=false + if [ "$BUILTIN" = "true" ] && [ "${NEW_VAL#CONFIG_*=}" = "m" ] && [ "${PREV_VAL#CONFIG_*=}" = "y" ]; then + echo Previous value: $PREV_VAL + echo New value: $NEW_VAL + echo -y passed, will not demote y to m + echo + BUILTIN_FLAG=true + elif [ "x$PREV_VAL" != "x$NEW_VAL" ] ; then + echo Value of $CFG is redefined by fragment $ORIG_MERGE_FILE: echo Previous value: $PREV_VAL echo New value: $NEW_VAL echo elif [ "$WARNREDUN" = "true" ]; then - echo Value of $CFG is redundant by fragment $MERGE_FILE: + echo Value of $CFG is redundant by fragment $ORIG_MERGE_FILE: + fi + if [ "$BUILTIN_FLAG" = "false" ]; then + sed -i "/$CFG[ =]/d" $TMP_FILE + else + sed -i "/$CFG[ =]/d" $MERGE_FILE fi - sed -i "/$CFG[ =]/d" $TMP_FILE done cat $MERGE_FILE >> $TMP_FILE done -- cgit v1.2.3 From 75889e9be78febab9991f9c07fdf09d128562bf5 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 30 Nov 2018 18:15:48 +0900 Subject: kconfig: remove unneeded setsym label in conf_read_simple() The two 'goto setsym' statements are reachable only when sym == NULL. The code below the 'setsym:' label does nothing when sym == NULL since there is just one if-block guarded by 'if (sym && ...)'. Hence, 'goto setsym' can be replaced with 'continue'. Signed-off-by: Masahiro Yamada --- scripts/kconfig/confdata.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 91d0a5c014ac..1e35529d4eeb 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -363,7 +363,7 @@ load: sym = sym_find(line + 2 + strlen(CONFIG_)); if (!sym) { sym_add_change_count(1); - goto setsym; + continue; } } else { sym = sym_lookup(line + 2 + strlen(CONFIG_), 0); @@ -397,7 +397,7 @@ load: sym = sym_find(line + strlen(CONFIG_)); if (!sym) { sym_add_change_count(1); - goto setsym; + continue; } } else { sym = sym_lookup(line + strlen(CONFIG_), 0); @@ -416,7 +416,7 @@ load: continue; } -setsym: + if (sym && sym_is_choice_value(sym)) { struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); switch (sym->def[def].tri) { -- cgit v1.2.3 From 0849d212e39523e2289c2a6d685b899f944746eb Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 30 Nov 2018 18:15:49 +0900 Subject: kconfig: rename conf_split_config() to conf_touch_deps() According to commit 2e3646e51b2d ("kconfig: integrate split config into silentoldconfig"), this function was named after split-include tool, which used to exist in old versions of Linux. Setting aside the historical reason, rename it into a more intuitive name. This function touches timestamp files under include/config/ in order to interact with the fixdep tool. Signed-off-by: Masahiro Yamada --- scripts/kconfig/confdata.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 1e35529d4eeb..4c76d561d383 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -906,7 +906,7 @@ static int conf_write_dep(const char *name) return 0; } -static int conf_split_config(void) +static int conf_touch_deps(void) { const char *name; char path[PATH_MAX+1]; @@ -1028,7 +1028,7 @@ int conf_write_autoconf(int overwrite) conf_write_dep("include/config/auto.conf.cmd"); - if (conf_split_config()) + if (conf_touch_deps()) return 1; out = fopen(".tmpconfig", "w"); -- cgit v1.2.3 From 1508fec82e394149212aca836dd925d7e8fa3228 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 30 Nov 2018 18:15:50 +0900 Subject: kconfig: split out code touching a file to conf_touch_dep() conf_touch_deps() iterates over symbols, touching corresponding include/config/*.h files as needed. Split the part that touches a single file into a new helper so it can be reused. The new helper, conf_touch_dep(), takes a symbol name as a parameter, and touches the corresponding include/config/*.h file. Signed-off-by: Masahiro Yamada --- scripts/kconfig/confdata.c | 92 ++++++++++++++++++++++++---------------------- 1 file changed, 49 insertions(+), 43 deletions(-) diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 4c76d561d383..39dfe463de15 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -74,6 +74,47 @@ static int make_parent_dir(const char *path) return 0; } +static char depfile_path[PATH_MAX]; +static size_t depfile_prefix_len; + +/* touch depfile for symbol 'name' */ +static int conf_touch_dep(const char *name) +{ + int fd, ret; + const char *s; + char *d, c; + + /* check overflow: prefix + name + ".h" + '\0' must fit in buffer. */ + if (depfile_prefix_len + strlen(name) + 3 > sizeof(depfile_path)) + return -1; + + d = depfile_path + depfile_prefix_len; + s = name; + + while ((c = *s++)) + *d++ = (c == '_') ? '/' : tolower(c); + strcpy(d, ".h"); + + /* Assume directory path already exists. */ + fd = open(depfile_path, O_WRONLY | O_CREAT | O_TRUNC, 0644); + if (fd == -1) { + if (errno != ENOENT) + return -1; + + ret = make_parent_dir(depfile_path); + if (ret) + return ret; + + /* Try it again. */ + fd = open(depfile_path, O_WRONLY | O_CREAT | O_TRUNC, 0644); + if (fd == -1) + return -1; + } + close(fd); + + return 0; +} + struct conf_printer { void (*print_symbol)(FILE *, struct symbol *, const char *, void *); void (*print_comment)(FILE *, const char *, void *); @@ -909,21 +950,16 @@ static int conf_write_dep(const char *name) static int conf_touch_deps(void) { const char *name; - char path[PATH_MAX+1]; - char *s, *d, c; struct symbol *sym; - int res, i, fd; + int res, i; + + strcpy(depfile_path, "include/config/"); + depfile_prefix_len = strlen(depfile_path); name = conf_get_autoconfig_name(); conf_read_simple(name, S_DEF_AUTO); sym_calc_value(modules_sym); - if (make_parent_dir("include/config/foo.h")) - return 1; - if (chdir("include/config")) - return 1; - - res = 0; for_all_symbols(i, sym) { sym_calc_value(sym); if ((sym->flags & SYMBOL_NO_WRITE) || !sym->name) @@ -975,42 +1011,12 @@ static int conf_touch_deps(void) * different from 'no'). */ - /* Replace all '_' and append ".h" */ - s = sym->name; - d = path; - while ((c = *s++)) { - c = tolower(c); - *d++ = (c == '_') ? '/' : c; - } - strcpy(d, ".h"); - - /* Assume directory path already exists. */ - fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); - if (fd == -1) { - if (errno != ENOENT) { - res = 1; - break; - } - - if (make_parent_dir(path)) { - res = 1; - goto out; - } - - /* Try it again. */ - fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); - if (fd == -1) { - res = 1; - break; - } - } - close(fd); + res = conf_touch_dep(sym->name); + if (res) + return res; } -out: - if (chdir("../..")) - return 1; - return res; + return 0; } int conf_write_autoconf(int overwrite) -- cgit v1.2.3 From 2aabbed6774f231c57f8ae6bc4f856fb2a75cd6a Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 30 Nov 2018 18:15:51 +0900 Subject: kconfig: remove S_OTHER symbol type and correct dependency tracking The S_OTHER type could be set only when conf_read_simple() is reading include/config/auto.conf file. For example, CONFIG_FOO=y exists in include/config/auto.conf but it is missing from the currently parsed Kconfig files, sym_lookup() allocates a new symbol, and sets its type to S_OTHER. Strangely, it will be set to S_STRING by conf_set_sym_val() a few lines below while it is obviously bool or tristate type. On the other hand, when CONFIG_BAR="bar" is being dropped from include/config/auto.conf, its type remains S_OTHER. Because for_all_symbols() omits S_OTHER symbols, conf_touch_deps() misses to touch include/config/bar.h This behavior has been a pretty mystery for me, and digging the git histroy did not help. At least, touching depfiles is broken for string type symbols. I removed S_OTHER entirely, and reimplemented it more simply. If CONFIG_FOO was visible in the previous syncconfig, but is missing now, what we want to do is quite simple; just call conf_touch_dep() to touch include/config/foo.h instead of allocating a new symbol data. Signed-off-by: Masahiro Yamada --- scripts/kconfig/confdata.c | 33 ++++++++++++++------------------- scripts/kconfig/expr.h | 4 ++-- scripts/kconfig/symbol.c | 3 --- 3 files changed, 16 insertions(+), 24 deletions(-) diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c index 39dfe463de15..9ef135735cfa 100644 --- a/scripts/kconfig/confdata.c +++ b/scripts/kconfig/confdata.c @@ -227,14 +227,6 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p) conf_warning("symbol value '%s' invalid for %s", p, sym->name); return 1; - case S_OTHER: - if (*p != '"') { - for (p2 = p; *p2 && !isspace(*p2); p2++) - ; - sym->type = S_STRING; - goto done; - } - /* fall through */ case S_STRING: if (*p++ != '"') break; @@ -253,7 +245,6 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p) /* fall through */ case S_INT: case S_HEX: - done: if (sym_string_valid(sym, p)) { sym->def[def].val = xstrdup(p); sym->flags |= def_flags; @@ -434,17 +425,22 @@ load: if (*p2 == '\r') *p2 = 0; } - if (def == S_DEF_USER) { - sym = sym_find(line + strlen(CONFIG_)); - if (!sym) { + + sym = sym_find(line + strlen(CONFIG_)); + if (!sym) { + if (def == S_DEF_AUTO) + /* + * Reading from include/config/auto.conf + * If CONFIG_FOO previously existed in + * auto.conf but it is missing now, + * include/config/foo.h must be touched. + */ + conf_touch_dep(line + strlen(CONFIG_)); + else sym_add_change_count(1); - continue; - } - } else { - sym = sym_lookup(line + strlen(CONFIG_), 0); - if (sym->type == S_UNKNOWN) - sym->type = S_OTHER; + continue; } + if (sym->flags & def_flags) { conf_warning("override: reassigning to symbol %s", sym->name); } @@ -710,7 +706,6 @@ static void conf_write_symbol(FILE *fp, struct symbol *sym, const char *str; switch (sym->type) { - case S_OTHER: case S_UNKNOWN: break; case S_STRING: diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h index 7c329e179007..2b7e222b0784 100644 --- a/scripts/kconfig/expr.h +++ b/scripts/kconfig/expr.h @@ -62,7 +62,7 @@ struct symbol_value { }; enum symbol_type { - S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING, S_OTHER + S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING }; /* enum values are used as index to symbol.def[] */ @@ -131,7 +131,7 @@ struct symbol { struct expr_value implied; }; -#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER) +#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) #define SYMBOL_CONST 0x0001 /* symbol is const */ #define SYMBOL_CHECK 0x0008 /* used during dependency checking */ diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index 703b9b899ee9..2e6bf362d164 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -61,8 +61,6 @@ const char *sym_type_name(enum symbol_type type) return "string"; case S_UNKNOWN: return "unknown"; - case S_OTHER: - break; } return "???"; } @@ -757,7 +755,6 @@ const char *sym_get_string_default(struct symbol *sym) return str; case S_STRING: return str; - case S_OTHER: case S_UNKNOWN: break; } -- cgit v1.2.3 From 0cbe3ac439bfe3e6d0f65b006044f84ce7f3e4d0 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Fri, 30 Nov 2018 18:15:52 +0900 Subject: kconfig: remove k_invalid from expr_parse_string() return type The only possibility of k_invalid being returned was when expr_parse_sting() parsed S_OTHER type symbol. This actually never happened, and this is even clearer since S_OTHER has gone. Clean up unreachable code. Signed-off-by: Masahiro Yamada --- scripts/kconfig/expr.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c index e1a39e90841d..57ebf71291a7 100644 --- a/scripts/kconfig/expr.c +++ b/scripts/kconfig/expr.c @@ -980,7 +980,6 @@ enum string_value_kind { k_string, k_signed, k_unsigned, - k_invalid }; union string_value { @@ -1011,13 +1010,10 @@ static enum string_value_kind expr_parse_string(const char *str, val->u = strtoull(str, &tail, 16); kind = k_unsigned; break; - case S_STRING: - case S_UNKNOWN: + default: val->s = strtoll(str, &tail, 0); kind = k_signed; break; - default: - return k_invalid; } return !errno && !*tail && tail > str && isxdigit(tail[-1]) ? kind : k_string; @@ -1073,13 +1069,7 @@ tristate expr_calc_value(struct expr *e) if (k1 == k_string || k2 == k_string) res = strcmp(str1, str2); - else if (k1 == k_invalid || k2 == k_invalid) { - if (e->type != E_EQUAL && e->type != E_UNEQUAL) { - printf("Cannot compare \"%s\" and \"%s\"\n", str1, str2); - return no; - } - res = strcmp(str1, str2); - } else if (k1 == k_unsigned || k2 == k_unsigned) + else if (k1 == k_unsigned || k2 == k_unsigned) res = (lval.u > rval.u) - (lval.u < rval.u); else /* if (k1 == k_signed && k2 == k_signed) */ res = (lval.s > rval.s) - (lval.s < rval.s); -- cgit v1.2.3 From 77c1c0fa8b1477c5799bdad65026ea5ff676da44 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:44 +0900 Subject: kconfig: fix file name and line number of warn_ignored_character() Currently, warn_ignore_character() displays invalid file name and line number. The lexer should use current_file->name and yylineno, while the parser should use zconf_curname() and zconf_lineno(). This difference comes from that the lexer is always going ahead of the parser. The parser needs to look ahead one token to make a shift/reduce decision, so the lexer is requested to scan more text from the input file. This commit fixes the warning message from warn_ignored_character(). [Test Code] ----(Kconfig begin)---- / -----(Kconfig end)----- [Output] Before the fix: :0:warning: ignoring unsupported character '/' After the fix: Kconfig:1:warning: ignoring unsupported character '/' Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.l | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 25bd2b89fe3f..eeac64ccc730 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -73,7 +73,7 @@ static void warn_ignored_character(char chr) { fprintf(stderr, "%s:%d:warning: ignoring unsupported character '%c'\n", - zconf_curname(), zconf_lineno(), chr); + current_file->name, yylineno, chr); } %} -- cgit v1.2.3 From fbac5977d81cb2b2b7e37b11c459055d9585273c Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:45 +0900 Subject: kconfig: fix memory leak when EOF is encountered in quotation An unterminated string literal followed by new line is passed to the parser (with "multi-line strings not supported" warning shown), then handled properly there. On the other hand, an unterminated string literal at end of file is never passed to the parser, then results in memory leak. [Test Code] ----------(Kconfig begin)---------- source "Kconfig.inc" config A bool "a" -----------(Kconfig end)----------- --------(Kconfig.inc begin)-------- config B bool "b\No new line at end of file ---------(Kconfig.inc end)--------- [Summary from Valgrind] Before the fix: LEAK SUMMARY: definitely lost: 16 bytes in 1 blocks ... After the fix: LEAK SUMMARY: definitely lost: 0 bytes in 0 blocks ... Eliminate the memory leak path by handling this case. Of course, such a Kconfig file is wrong already, so I will add an error message later. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.l | 2 ++ 1 file changed, 2 insertions(+) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index eeac64ccc730..c2f577d71964 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -221,6 +221,8 @@ n [A-Za-z0-9_-] } <> { BEGIN(INITIAL); + yylval.string = text; + return T_WORD_QUOTE; } } -- cgit v1.2.3 From 413cd19d81fd675c6932abf91fe2b54d5ae72c7d Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:46 +0900 Subject: kconfig: require T_EOL to reduce visible statement All line-oriented statements should be reduced when seeing a T_EOL token. I guess missing T_EOL for the "visible" statement is just a mistake. This commit decreases one shift/reduce conflict. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.y | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 22fceb264cf5..c28f1a8f721d 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -31,7 +31,7 @@ struct symbol *symbol_hash[SYMBOL_HASHSIZE]; static struct menu *current_menu, *current_entry; %} -%expect 30 +%expect 29 %union { @@ -461,7 +461,7 @@ visibility_list: | visibility_list T_EOL ; -visible: T_VISIBLE if_expr +visible: T_VISIBLE if_expr T_EOL { menu_add_visibility($2); }; -- cgit v1.2.3 From be3c8075978a420b6eae944250bf336aa11d4964 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:47 +0900 Subject: kconfig: remove unneeded pattern matching to whitespaces Whitespaces are consumed in the COMMAND state anyway. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.l | 6 ------ 1 file changed, 6 deletions(-) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index c2f577d71964..709b774f2404 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -88,12 +88,6 @@ n [A-Za-z0-9_-] return T_EOL; } [ \t]*#.* - - -[ \t]+ { - BEGIN(COMMAND); -} - . { unput(yytext[0]); BEGIN(COMMAND); -- cgit v1.2.3 From 21c5ecf60472be9f1b5bfe0b94870bef93db4202 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:48 +0900 Subject: kconfig: refactor pattern matching in STRING state Here, similar matching patters are duplicated in order to look ahead the '\n' character. If the next character is '\n', the lexer returns T_WORD_QUOTE because it must be prepared to return T_EOL at the next match. Use unput('\n') trick to reduce the code duplication. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.l | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 709b774f2404..b7bc164fdf00 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -182,19 +182,9 @@ n [A-Za-z0-9_-] { "$".* append_expanded_string(yytext); - [^$'"\\\n]+/\n { - append_string(yytext, yyleng); - yylval.string = text; - return T_WORD_QUOTE; - } [^$'"\\\n]+ { append_string(yytext, yyleng); } - \\.?/\n { - append_string(yytext + 1, yyleng - 1); - yylval.string = text; - return T_WORD_QUOTE; - } \\.? { append_string(yytext + 1, yyleng - 1); } @@ -210,8 +200,10 @@ n [A-Za-z0-9_-] fprintf(stderr, "%s:%d:warning: multi-line strings not supported\n", zconf_curname(), zconf_lineno()); + unput('\n'); BEGIN(INITIAL); - return T_EOL; + yylval.string = text; + return T_WORD_QUOTE; } <> { BEGIN(INITIAL); -- cgit v1.2.3 From cc66bca775eeb81ef24456338bcd97e2e780c236 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:49 +0900 Subject: kconfig: fix ambiguous grammar in terms of new lines This commit decreases 8 shift/reduce conflicts. A certain amount of grammatical ambiguity comes from how to reduce excessive T_EOL tokens. Let's take a look at the example code below: 1 config A 2 bool "a" 3 4 depends on B 5 6 config B 7 def_bool y The line 3 is melt into "config_option_list", but the line 5 can be either a part of "config_option_list" or "common_stmt" by itself. Currently, the lexer converts '\n' to T_EOL verbatim. In Kconfig, a new line works as a statement terminator, but new lines in empty lines are not critical since empty lines (or lines that contain only whitespaces/comments) are just no-op. If the lexer simply discards no-op lines, the parser will not be bothered by excessive T_EOL tokens. Of course, this means we are shifting the complexity from the parser to the lexer, but it is much easier than tackling on shift/reduce conflicts. I introduced the second stage lexer to tweak the behavior. Discard T_EOL if the previous token is T_EOL or T_HELPTEXT. Two T_EOL tokens in a row is meaningless. T_HELPTEXT is a special token that is reduced without T_EOL. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.l | 21 +++++++++++++++++++++ scripts/kconfig/zconf.y | 18 +++--------------- 2 files changed, 24 insertions(+), 15 deletions(-) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index b7bc164fdf00..847ba4248092 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -16,6 +16,8 @@ #include "lkc.h" +#define YY_DECL static int yylex1(void) + #define START_STRSIZE 16 static struct { @@ -23,6 +25,7 @@ static struct { int lineno; } current_pos; +static int prev_token = T_EOL; static char *text; static int text_size, text_asize; @@ -268,6 +271,24 @@ n [A-Za-z0-9_-] } %% + +/* second stage lexer */ +int yylex(void) +{ + int token; + +repeat: + token = yylex1(); + + /* Do not pass unneeded T_EOL to the parser. */ + if ((prev_token == T_EOL || prev_token == T_HELPTEXT) && token == T_EOL) + goto repeat; + + prev_token = token; + + return token; +} + static char *expand_token(const char *in, size_t n) { char *out; diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index c28f1a8f721d..02bfc62ba92c 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -31,7 +31,7 @@ struct symbol *symbol_hash[SYMBOL_HASHSIZE]; static struct menu *current_menu, *current_entry; %} -%expect 29 +%expect 21 %union { @@ -111,9 +111,7 @@ static struct menu *current_menu, *current_entry; %} %% -input: nl start | start; - -start: mainmenu_stmt stmt_list | stmt_list; +input: mainmenu_stmt stmt_list | stmt_list; /* mainmenu entry */ @@ -141,8 +139,7 @@ option_name: ; common_stmt: - T_EOL - | if_stmt + if_stmt | comment_stmt | config_stmt | menuconfig_stmt @@ -193,7 +190,6 @@ config_option_list: | config_option_list depends | config_option_list help | config_option_list option_error - | config_option_list T_EOL ; config_option: T_TYPE prompt_stmt_opt T_EOL @@ -293,7 +289,6 @@ choice_option_list: | choice_option_list choice_option | choice_option_list depends | choice_option_list help - | choice_option_list T_EOL | choice_option_list option_error ; @@ -443,7 +438,6 @@ help: help_start T_HELPTEXT depends_list: /* empty */ | depends_list depends - | depends_list T_EOL | depends_list option_error ; @@ -458,7 +452,6 @@ depends: T_DEPENDS T_ON expr T_EOL visibility_list: /* empty */ | visibility_list visible - | visibility_list T_EOL ; visible: T_VISIBLE if_expr T_EOL @@ -484,11 +477,6 @@ end: T_ENDMENU T_EOL { $$ = $1; } | T_ENDIF T_EOL { $$ = $1; } ; -nl: - T_EOL - | nl T_EOL -; - if_expr: /* empty */ { $$ = NULL; } | T_IF expr { $$ = $2; } ; -- cgit v1.2.3 From 0bcc547ec4b03a0b66615694561cce9c5a9a1014 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:50 +0900 Subject: kconfig: clean up EOF handling in the lexer A new file should always start in the INITIAL state. When the lexer bumps into EOF, the lexer must get back to the INITIAL state anyway. Remove the redundant <> pattern in the PARAM state. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.l | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 847ba4248092..9038e9736bf0 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -178,9 +178,6 @@ n [A-Za-z0-9_-] \\\n ; [[:blank:]]+ . warn_ignored_character(*yytext); - <> { - BEGIN(INITIAL); - } } { @@ -262,6 +259,8 @@ n [A-Za-z0-9_-] } <> { + BEGIN(INITIAL); + if (current_file) { zconf_endfile(); return T_EOL; -- cgit v1.2.3 From 723679339d087d79e36c0af67f4be84d866fee20 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:51 +0900 Subject: kconfig: warn no new line at end of file It would be nice to warn if a new line is missing at end of file. We could do this by checkpatch.pl for arbitrary files, but new line is rather essential as a statement terminator in Kconfig. The warning message looks like this: kernel/Kconfig.preempt:60:warning: no new line at end of file Currently, kernel/Kconfig.preempt is the only file with no new line at end of file. Fix it. I know there are some false negative cases. For example, no warning is displayed when the last line contains some whitespaces/comments, but no new line. Yet, this commit works well for most cases. Signed-off-by: Masahiro Yamada --- kernel/Kconfig.preempt | 2 +- scripts/kconfig/zconf.l | 4 ++++ 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt index cd1655122ec0..0fee5fe6c899 100644 --- a/kernel/Kconfig.preempt +++ b/kernel/Kconfig.preempt @@ -57,4 +57,4 @@ config PREEMPT endchoice config PREEMPT_COUNT - bool \ No newline at end of file + bool diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 9038e9736bf0..8e856f9e6da9 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -261,6 +261,10 @@ n [A-Za-z0-9_-] <> { BEGIN(INITIAL); + if (prev_token != T_EOL && prev_token != T_HELPTEXT) + fprintf(stderr, "%s:%d:warning: no new line at end of file\n", + current_file->name, yylineno); + if (current_file) { zconf_endfile(); return T_EOL; -- cgit v1.2.3 From 6900ae9eeee397436df25ef51835a8b27865d46d Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:52 +0900 Subject: kconfig: remove grammatically ambiguous "unexpected option" diagnostic This commit decreases 15 shift/reduce conflicts. The location of this error recovery is ambiguous. For example, there are two ways to interpret the following code: 1 config FOO 2 bool "foo" [A] Both lines are reduced together into a config_stmt. [B] The only line 1 is reduced into a config_stmt, and the line 2 matches to "option_name error T_EOL" Of course, we expect [A], but [B] could be grammatically possible. Kconfig has no terminator for a config block. So, we cannot detect its end until we see a non-property keyword. People often insert a blank line between two config blocks, but it is just a coding convention. Blank lines are actually allowed anywhere in Kconfig files. The real error is when a property keyword appears right after "endif", "endchoice", "endmenu", "source", "comment", or variable assignment. Instead of fixing the grammatical ambiguity, I chose to simply remove this error recovery. The difference is unexpected option "bool" ... is turned into a more generic message: invalid statement Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.y | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 02bfc62ba92c..cef6123228c0 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -31,7 +31,7 @@ struct symbol *symbol_hash[SYMBOL_HASHSIZE]; static struct menu *current_menu, *current_entry; %} -%expect 21 +%expect 6 %union { @@ -94,7 +94,6 @@ static struct menu *current_menu, *current_entry; %type expr %type if_expr %type end -%type option_name %type if_entry menu_entry choice_entry %type symbol_option_arg word_opt assign_val @@ -127,17 +126,9 @@ stmt_list: | stmt_list menu_stmt | stmt_list end { zconf_error("unexpected end statement"); } | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); } - | stmt_list option_name error T_EOL -{ - zconf_error("unexpected option \"%s\"", $2->name); -} | stmt_list error T_EOL { zconf_error("invalid statement"); } ; -option_name: - T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_IMPLY | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE -; - common_stmt: if_stmt | comment_stmt -- cgit v1.2.3 From 2f60e46e605a9bcd8dc4fe7745b5576084900850 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:53 +0900 Subject: kconfig: remove grammatically ambiguous option_error This commit decreases 6 shift/reduce conflicts, and finally achieves conflict-free parser. Since Kconfig has no terminator for a config block, detecting the end of config_stmt is not easy. For example, there are two ways for handling the error in the following code: 1 config FOO 2 = [A] Print "unknown option" error, assuming the line 2 is a part of config_option_list [B] Print "invalid statement", assuming the line 1 is reduced into a config_stmt by itself Bison actually chooses [A] because it performs the shift rather than the reduction where both are possible. However, there is no reason to choose one over the other. Let's remove the option_error, and let it fall back to [B]. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.y | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index cef6123228c0..a92f167e8267 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -31,7 +31,6 @@ struct symbol *symbol_hash[SYMBOL_HASHSIZE]; static struct menu *current_menu, *current_entry; %} -%expect 6 %union { @@ -138,12 +137,6 @@ common_stmt: | assignment_stmt ; -option_error: - T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); } - | error T_EOL { zconf_error("invalid option"); } -; - - /* config/menuconfig entry */ config_entry_start: T_CONFIG nonconst_symbol T_EOL @@ -180,7 +173,6 @@ config_option_list: | config_option_list symbol_option | config_option_list depends | config_option_list help - | config_option_list option_error ; config_option: T_TYPE prompt_stmt_opt T_EOL @@ -280,7 +272,6 @@ choice_option_list: | choice_option_list choice_option | choice_option_list depends | choice_option_list help - | choice_option_list option_error ; choice_option: T_PROMPT prompt if_expr T_EOL @@ -429,7 +420,6 @@ help: help_start T_HELPTEXT depends_list: /* empty */ | depends_list depends - | depends_list option_error ; depends: T_DEPENDS T_ON expr T_EOL -- cgit v1.2.3 From 4891796c6f83bb3be5567b3053428a40329d7e37 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:54 +0900 Subject: kconfig: remove redundant if_block rule The code block surrounded by "if" ... "endif" is stmt_list. Remove the redundant if_block symbol entirely. Remove "stmt_list: stmt_list end" rule as well since it would obviously cause conflicts. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.y | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index a92f167e8267..dcbf6439ace9 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -123,7 +123,6 @@ stmt_list: | stmt_list common_stmt | stmt_list choice_stmt | stmt_list menu_stmt - | stmt_list end { zconf_error("unexpected end statement"); } | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); } | stmt_list error T_EOL { zconf_error("invalid statement"); } ; @@ -330,14 +329,7 @@ if_end: end } }; -if_stmt: if_entry if_block if_end -; - -if_block: - /* empty */ - | if_block common_stmt - | if_block menu_stmt - | if_block choice_stmt +if_stmt: if_entry stmt_list if_end ; /* menu entry */ -- cgit v1.2.3 From 94d4e1b6021b8d63274c9961c70f95dd2b43e6fb Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:55 +0900 Subject: kconfig: remove redundant menu_block rule The code block surrounded by "menu" ... "endmenu" is stmt_list. Remove the redundant menu_block symbol entirely. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.y | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-) diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index dcbf6439ace9..eeb449bd5869 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -354,14 +354,7 @@ menu_end: end } }; -menu_stmt: menu_entry menu_block menu_end -; - -menu_block: - /* empty */ - | menu_block common_stmt - | menu_block menu_stmt - | menu_block choice_stmt +menu_stmt: menu_entry stmt_list menu_end ; source_stmt: T_SOURCE prompt T_EOL -- cgit v1.2.3 From 1f31be9ec0a9d59053fb3d78591f6dd7a64a174e Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:56 +0900 Subject: kconfig: loosen the order of "visible" and "depends on" in menu entry Currently, "visible" and "depends on", if defined in a menu entry, must appear in that order. The real example is in drivers/media/tuners/Kconfig: menu "Customize TV tuners" visible if depends on ... is fine, but you cannot change the property order like this: menu "Customize TV tuners" depends on visible if Kconfig does not require a specific order of properties. In this case, menu_add_visibility(() and menu_add_dep() are orthogonal. Loosen this unreasonable restriction. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.y | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index eeb449bd5869..7cc824454e54 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -341,7 +341,7 @@ menu: T_MENU prompt T_EOL printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); }; -menu_entry: menu visibility_list depends_list +menu_entry: menu menu_option_list { $$ = menu_add_menu(); }; @@ -357,6 +357,12 @@ menu_end: end menu_stmt: menu_entry stmt_list menu_end ; +menu_option_list: + /* empty */ + | menu_option_list visible + | menu_option_list depends +; + source_stmt: T_SOURCE prompt T_EOL { printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2); @@ -414,12 +420,6 @@ depends: T_DEPENDS T_ON expr T_EOL }; /* visibility option */ - -visibility_list: - /* empty */ - | visibility_list visible -; - visible: T_VISIBLE if_expr T_EOL { menu_add_visibility($2); -- cgit v1.2.3 From 4b5ec81bfeda09bda9cd8f545226c65291e4952b Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:57 +0900 Subject: kconfig: rename depends_list to comment_option_list Now the comment_stmt is the only user of depends_list. Rename it to comment_option_list Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.y | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 7cc824454e54..7a4bc5826723 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -379,7 +379,12 @@ comment: T_COMMENT prompt T_EOL printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno()); }; -comment_stmt: comment depends_list +comment_stmt: comment comment_option_list +; + +comment_option_list: + /* empty */ + | comment_option_list depends ; /* help option */ @@ -408,11 +413,6 @@ help: help_start T_HELPTEXT /* depends option */ -depends_list: - /* empty */ - | depends_list depends -; - depends: T_DEPENDS T_ON expr T_EOL { menu_add_dep($3); -- cgit v1.2.3 From a01e5d242d932f67f2657ceb0d76be777cd05a04 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:58 +0900 Subject: kconfig: remove redundant token defines These are already defined as %left. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.y | 5 ----- 1 file changed, 5 deletions(-) diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 7a4bc5826723..020454bcdf94 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -69,11 +69,6 @@ static struct menu *current_menu, *current_entry; %token T_ON %token T_WORD %token T_WORD_QUOTE -%token T_UNEQUAL -%token T_LESS -%token T_LESS_EQUAL -%token T_GREATER -%token T_GREATER_EQUAL %token T_CLOSE_PAREN %token T_OPEN_PAREN %token T_EOL -- cgit v1.2.3 From 3c8f317d4cf15e7a67457cfdd1e63182a34bcb69 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:00:59 +0900 Subject: kconfig: use distinct tokens for type and default properties This commit removes kconf_id::stype to prepare for the entire removal of kconf_id.c To simplify the lexer, I want keywords straight-mapped to tokens. Signed-off-by: Masahiro Yamada --- scripts/kconfig/kconf_id.c | 16 ++++++------ scripts/kconfig/lkc.h | 1 - scripts/kconfig/zconf.y | 62 +++++++++++++++++++++++++++++----------------- 3 files changed, 47 insertions(+), 32 deletions(-) diff --git a/scripts/kconfig/kconf_id.c b/scripts/kconfig/kconf_id.c index b3e0ea0ac732..ec2c011f9e62 100644 --- a/scripts/kconfig/kconf_id.c +++ b/scripts/kconfig/kconf_id.c @@ -15,15 +15,15 @@ static struct kconf_id kconf_id_array[] = { { "endif", T_ENDIF, TF_COMMAND }, { "depends", T_DEPENDS, TF_COMMAND }, { "optional", T_OPTIONAL, TF_COMMAND }, - { "default", T_DEFAULT, TF_COMMAND, S_UNKNOWN }, + { "default", T_DEFAULT, TF_COMMAND }, + { "def_bool", T_DEF_BOOL, TF_COMMAND }, + { "def_tristate", T_DEF_TRISTATE, TF_COMMAND }, { "prompt", T_PROMPT, TF_COMMAND }, - { "tristate", T_TYPE, TF_COMMAND, S_TRISTATE }, - { "def_tristate", T_DEFAULT, TF_COMMAND, S_TRISTATE }, - { "bool", T_TYPE, TF_COMMAND, S_BOOLEAN }, - { "def_bool", T_DEFAULT, TF_COMMAND, S_BOOLEAN }, - { "int", T_TYPE, TF_COMMAND, S_INT }, - { "hex", T_TYPE, TF_COMMAND, S_HEX }, - { "string", T_TYPE, TF_COMMAND, S_STRING }, + { "bool", T_BOOL, TF_COMMAND }, + { "tristate", T_TRISTATE, TF_COMMAND }, + { "int", T_INT, TF_COMMAND }, + { "hex", T_HEX, TF_COMMAND }, + { "string", T_STRING, TF_COMMAND }, { "select", T_SELECT, TF_COMMAND }, { "imply", T_IMPLY, TF_COMMAND }, { "range", T_RANGE, TF_COMMAND }, diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index 9eb7c837cd8f..b6bbcd1dda2b 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -50,7 +50,6 @@ struct kconf_id { const char *name; int token; unsigned int flags; - enum symbol_type stype; }; extern int yylineno; diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 020454bcdf94..19fa333e9aa1 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -40,6 +40,7 @@ static struct menu *current_menu, *current_entry; struct expr *expr; struct menu *menu; const struct kconf_id *id; + enum symbol_type type; enum variable_flavor flavor; } @@ -59,8 +60,6 @@ static struct menu *current_menu, *current_entry; %token T_DEPENDS %token T_OPTIONAL %token T_PROMPT -%token T_TYPE -%token T_DEFAULT %token T_SELECT %token T_IMPLY %token T_RANGE @@ -69,8 +68,16 @@ static struct menu *current_menu, *current_entry; %token T_ON %token T_WORD %token T_WORD_QUOTE +%token T_BOOL %token T_CLOSE_PAREN +%token T_DEFAULT +%token T_DEF_BOOL +%token T_DEF_TRISTATE +%token T_HEX +%token T_INT %token T_OPEN_PAREN +%token T_STRING +%token T_TRISTATE %token T_EOL %token T_VARIABLE %token T_ASSIGN @@ -85,6 +92,7 @@ static struct menu *current_menu, *current_entry; %type prompt %type nonconst_symbol %type symbol +%type type logic_type default %type expr %type if_expr %type end @@ -169,12 +177,12 @@ config_option_list: | config_option_list help ; -config_option: T_TYPE prompt_stmt_opt T_EOL +config_option: type prompt_stmt_opt T_EOL { - menu_set_type($1->stype); + menu_set_type($1); printd(DEBUG_PARSE, "%s:%d:type(%u)\n", zconf_curname(), zconf_lineno(), - $1->stype); + $1); }; config_option: T_PROMPT prompt if_expr T_EOL @@ -183,14 +191,14 @@ config_option: T_PROMPT prompt if_expr T_EOL printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno()); }; -config_option: T_DEFAULT expr if_expr T_EOL +config_option: default expr if_expr T_EOL { menu_add_expr(P_DEFAULT, $2, $3); - if ($1->stype != S_UNKNOWN) - menu_set_type($1->stype); + if ($1 != S_UNKNOWN) + menu_set_type($1); printd(DEBUG_PARSE, "%s:%d:default(%u)\n", zconf_curname(), zconf_lineno(), - $1->stype); + $1); }; config_option: T_SELECT nonconst_symbol if_expr T_EOL @@ -274,15 +282,11 @@ choice_option: T_PROMPT prompt if_expr T_EOL printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno()); }; -choice_option: T_TYPE prompt_stmt_opt T_EOL +choice_option: logic_type prompt_stmt_opt T_EOL { - if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) { - menu_set_type($1->stype); - printd(DEBUG_PARSE, "%s:%d:type(%u)\n", - zconf_curname(), zconf_lineno(), - $1->stype); - } else - YYERROR; + menu_set_type($1); + printd(DEBUG_PARSE, "%s:%d:type(%u)\n", + zconf_curname(), zconf_lineno(), $1); }; choice_option: T_OPTIONAL T_EOL @@ -293,14 +297,26 @@ choice_option: T_OPTIONAL T_EOL choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL { - if ($1->stype == S_UNKNOWN) { - menu_add_symbol(P_DEFAULT, $2, $3); - printd(DEBUG_PARSE, "%s:%d:default\n", - zconf_curname(), zconf_lineno()); - } else - YYERROR; + menu_add_symbol(P_DEFAULT, $2, $3); + printd(DEBUG_PARSE, "%s:%d:default\n", + zconf_curname(), zconf_lineno()); }; +type: + logic_type + | T_INT { $$ = S_INT; } + | T_HEX { $$ = S_HEX; } + | T_STRING { $$ = S_STRING; } + +logic_type: + T_BOOL { $$ = S_BOOLEAN; } + | T_TRISTATE { $$ = S_TRISTATE; } + +default: + T_DEFAULT { $$ = S_UNKNOWN; } + | T_DEF_BOOL { $$ = S_BOOLEAN; } + | T_DEF_TRISTATE { $$ = S_TRISTATE; } + choice_block: /* empty */ | choice_block common_stmt -- cgit v1.2.3 From ce2164ab58316e27180034112f97608a764f5b37 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:01:00 +0900 Subject: kconfig: refactor scanning and parsing "option" properties For the keywords "modules", "defconfig_list", and "allnoconfig_y", the lexer should pass specific tokens instead of generic T_WORD. This simplifies both the lexer and the parser. Signed-off-by: Masahiro Yamada --- scripts/kconfig/kconf_id.c | 3 --- scripts/kconfig/lkc.h | 9 +++------ scripts/kconfig/menu.c | 43 ++++++++++++++++++++----------------------- scripts/kconfig/zconf.l | 3 +++ scripts/kconfig/zconf.y | 35 +++++++++++++++-------------------- 5 files changed, 41 insertions(+), 52 deletions(-) diff --git a/scripts/kconfig/kconf_id.c b/scripts/kconfig/kconf_id.c index ec2c011f9e62..f8b222cc8b87 100644 --- a/scripts/kconfig/kconf_id.c +++ b/scripts/kconfig/kconf_id.c @@ -30,9 +30,6 @@ static struct kconf_id kconf_id_array[] = { { "visible", T_VISIBLE, TF_COMMAND }, { "option", T_OPTION, TF_COMMAND }, { "on", T_ON, TF_PARAM }, - { "modules", T_OPT_MODULES, TF_OPTION }, - { "defconfig_list", T_OPT_DEFCONFIG_LIST, TF_OPTION }, - { "allnoconfig_y", T_OPT_ALLNOCONFIG_Y, TF_OPTION }, }; #define KCONF_ID_ARRAY_SIZE (sizeof(kconf_id_array)/sizeof(struct kconf_id)) diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index b6bbcd1dda2b..5f4880a12246 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -32,7 +32,6 @@ static inline const char *CONFIG_prefix(void) #define TF_COMMAND 0x0001 #define TF_PARAM 0x0002 -#define TF_OPTION 0x0004 enum conf_def_mode { def_default, @@ -42,10 +41,6 @@ enum conf_def_mode { def_random }; -#define T_OPT_MODULES 1 -#define T_OPT_DEFCONFIG_LIST 2 -#define T_OPT_ALLNOCONFIG_Y 4 - struct kconf_id { const char *name; int token; @@ -90,7 +85,9 @@ void menu_add_visibility(struct expr *dep); struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep); void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep); void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep); -void menu_add_option(int token, char *arg); +void menu_add_option_modules(void); +void menu_add_option_defconfig_list(void); +void menu_add_option_allnoconfig_y(void); void menu_finalize(struct menu *parent); void menu_set_type(int type); diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index 4cf15d449c05..7e2b2c938d7b 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -195,29 +195,26 @@ void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep) menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep); } -void menu_add_option(int token, char *arg) -{ - switch (token) { - case T_OPT_MODULES: - if (modules_sym) - zconf_error("symbol '%s' redefines option 'modules'" - " already defined by symbol '%s'", - current_entry->sym->name, - modules_sym->name - ); - modules_sym = current_entry->sym; - break; - case T_OPT_DEFCONFIG_LIST: - if (!sym_defconfig_list) - sym_defconfig_list = current_entry->sym; - else if (sym_defconfig_list != current_entry->sym) - zconf_error("trying to redefine defconfig symbol"); - sym_defconfig_list->flags |= SYMBOL_NO_WRITE; - break; - case T_OPT_ALLNOCONFIG_Y: - current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y; - break; - } +void menu_add_option_modules(void) +{ + if (modules_sym) + zconf_error("symbol '%s' redefines option 'modules' already defined by symbol '%s'", + current_entry->sym->name, modules_sym->name); + modules_sym = current_entry->sym; +} + +void menu_add_option_defconfig_list(void) +{ + if (!sym_defconfig_list) + sym_defconfig_list = current_entry->sym; + else if (sym_defconfig_list != current_entry->sym) + zconf_error("trying to redefine defconfig symbol"); + sym_defconfig_list->flags |= SYMBOL_NO_WRITE; +} + +void menu_add_option_allnoconfig_y(void) +{ + current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y; } static int menu_validate_number(struct symbol *sym, struct symbol *sym2) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 8e856f9e6da9..30380790bab4 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -140,6 +140,9 @@ n [A-Za-z0-9_-] } { + "modules" return T_MODULES; + "defconfig_list" return T_DEFCONFIG_LIST; + "allnoconfig_y" return T_ALLNOCONFIG_Y; "&&" return T_AND; "||" return T_OR; "(" return T_OPEN_PAREN; diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 19fa333e9aa1..e482000bb93e 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -64,18 +64,21 @@ static struct menu *current_menu, *current_entry; %token T_IMPLY %token T_RANGE %token T_VISIBLE -%token T_OPTION %token T_ON %token T_WORD %token T_WORD_QUOTE +%token T_ALLNOCONFIG_Y %token T_BOOL %token T_CLOSE_PAREN %token T_DEFAULT +%token T_DEFCONFIG_LIST %token T_DEF_BOOL %token T_DEF_TRISTATE %token T_HEX %token T_INT +%token T_MODULES %token T_OPEN_PAREN +%token T_OPTION %token T_STRING %token T_TRISTATE %token T_EOL @@ -97,7 +100,7 @@ static struct menu *current_menu, *current_entry; %type if_expr %type end %type if_entry menu_entry choice_entry -%type symbol_option_arg word_opt assign_val +%type word_opt assign_val %destructor { fprintf(stderr, "%s:%d: missing end statement for this entry\n", @@ -172,7 +175,6 @@ menuconfig_stmt: menuconfig_entry_start config_option_list config_option_list: /* empty */ | config_option_list config_option - | config_option_list symbol_option | config_option_list depends | config_option_list help ; @@ -219,27 +221,20 @@ config_option: T_RANGE symbol symbol if_expr T_EOL printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno()); }; -symbol_option: T_OPTION symbol_option_list T_EOL -; +config_option: T_OPTION T_MODULES T_EOL +{ + menu_add_option_modules(); +}; -symbol_option_list: - /* empty */ - | symbol_option_list T_WORD symbol_option_arg +config_option: T_OPTION T_DEFCONFIG_LIST T_EOL { - const struct kconf_id *id = kconf_id_lookup($2, strlen($2)); - if (id && id->flags & TF_OPTION) { - menu_add_option(id->token, $3); - free($3); - } - else - zconfprint("warning: ignoring unknown option %s", $2); - free($2); + menu_add_option_defconfig_list(); }; -symbol_option_arg: - /* empty */ { $$ = NULL; } - | T_EQUAL prompt { $$ = $2; } -; +config_option: T_OPTION T_ALLNOCONFIG_Y T_EOL +{ + menu_add_option_allnoconfig_y(); +}; /* choice entry */ -- cgit v1.2.3 From c3d228713b10e6dd1bd44853168cec8e23ae7e0f Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:01:01 +0900 Subject: kconfig: use specific tokens instead of T_ASSIGN for assignments Currently, the lexer returns T_ASSIGN for all of =, :=, and += associating yylval with the flavor. I want to make the generated lexer as simple as possible. So, the lexer should convert keywords to tokens without thinking about the meaning. = -> T_EQUAL := -> T_COLON_EQUAL += -> T_PLUS_EQUAL Unfortunately, Kconfig uses = instead of == for the equal operator. So, the same token T_EQUAL is used for assignment and comparison. The parser can still distinguish them from the context. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.l | 6 +++--- scripts/kconfig/zconf.y | 12 ++++++++++-- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index 30380790bab4..b1a71f612c11 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -118,9 +118,9 @@ n [A-Za-z0-9_-] return T_VARIABLE; free(yylval.string); } - "=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_RECURSIVE; return T_ASSIGN; } - ":=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_SIMPLE; return T_ASSIGN; } - "+=" { BEGIN(ASSIGN_VAL); yylval.flavor = VAR_APPEND; return T_ASSIGN; } + "=" { BEGIN(ASSIGN_VAL); return T_EQUAL; } + ":=" { BEGIN(ASSIGN_VAL); return T_COLON_EQUAL; } + "+=" { BEGIN(ASSIGN_VAL); return T_PLUS_EQUAL; } [[:blank:]]+ . warn_ignored_character(*yytext); \n { diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index e482000bb93e..3b7ebd363e7e 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -70,6 +70,7 @@ static struct menu *current_menu, *current_entry; %token T_ALLNOCONFIG_Y %token T_BOOL %token T_CLOSE_PAREN +%token T_COLON_EQUAL %token T_DEFAULT %token T_DEFCONFIG_LIST %token T_DEF_BOOL @@ -79,11 +80,11 @@ static struct menu *current_menu, *current_entry; %token T_MODULES %token T_OPEN_PAREN %token T_OPTION +%token T_PLUS_EQUAL %token T_STRING %token T_TRISTATE %token T_EOL %token T_VARIABLE -%token T_ASSIGN %token T_ASSIGN_VAL %left T_OR @@ -101,6 +102,7 @@ static struct menu *current_menu, *current_entry; %type end %type if_entry menu_entry choice_entry %type word_opt assign_val +%type assign_op %destructor { fprintf(stderr, "%s:%d: missing end statement for this entry\n", @@ -478,7 +480,13 @@ word_opt: /* empty */ { $$ = NULL; } /* assignment statement */ -assignment_stmt: T_VARIABLE T_ASSIGN assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); } +assignment_stmt: T_VARIABLE assign_op assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); } + +assign_op: + T_EQUAL { $$ = VAR_RECURSIVE; } + | T_COLON_EQUAL { $$ = VAR_SIMPLE; } + | T_PLUS_EQUAL { $$ = VAR_APPEND; } +; assign_val: /* empty */ { $$ = xstrdup(""); }; -- cgit v1.2.3 From 171a515d080327b861d5e5fc9bbfa77f10cfddd7 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:01:02 +0900 Subject: kconfig: use T_WORD instead of T_VARIABLE for variables There is no grammatical ambiguity by using T_WORD for variables. The parser can distinguish variables from symbols from the context. Signed-off-by: Masahiro Yamada --- scripts/kconfig/zconf.l | 4 ++-- scripts/kconfig/zconf.y | 3 +-- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l index b1a71f612c11..f8bd84714e00 100644 --- a/scripts/kconfig/zconf.l +++ b/scripts/kconfig/zconf.l @@ -109,13 +109,13 @@ n [A-Za-z0-9_-] } alloc_string(yytext, yyleng); yylval.string = text; - return T_VARIABLE; + return T_WORD; } ({n}|$)+ { /* this token includes at least one '$' */ yylval.string = expand_token(yytext, yyleng); if (strlen(yylval.string)) - return T_VARIABLE; + return T_WORD; free(yylval.string); } "=" { BEGIN(ASSIGN_VAL); return T_EQUAL; } diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 3b7ebd363e7e..2127f1d65170 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -84,7 +84,6 @@ static struct menu *current_menu, *current_entry; %token T_STRING %token T_TRISTATE %token T_EOL -%token T_VARIABLE %token T_ASSIGN_VAL %left T_OR @@ -480,7 +479,7 @@ word_opt: /* empty */ { $$ = NULL; } /* assignment statement */ -assignment_stmt: T_VARIABLE assign_op assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); } +assignment_stmt: T_WORD assign_op assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); } assign_op: T_EQUAL { $$ = VAR_RECURSIVE; } -- cgit v1.2.3 From 48547bd23d0eeb2cf3a63ed588b46236eac5f2c3 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:01:03 +0900 Subject: microblaze: surround string default in Kconfig with double quotes I guess this is a constant value instead of a symbol. Signed-off-by: Masahiro Yamada Acked-by: Michal Simek --- arch/microblaze/Kconfig.platform | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/microblaze/Kconfig.platform b/arch/microblaze/Kconfig.platform index f7f1739c11b9..7361974417dc 100644 --- a/arch/microblaze/Kconfig.platform +++ b/arch/microblaze/Kconfig.platform @@ -65,6 +65,6 @@ config XILINX_MICROBLAZE0_USE_FPU config XILINX_MICROBLAZE0_HW_VER string "Core version number" - default 7.10.d + default "7.10.d" endmenu -- cgit v1.2.3 From 8636a1f9677db4f883f29a072f401303acfc2edd Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Tue, 11 Dec 2018 20:01:04 +0900 Subject: treewide: surround Kconfig file paths with double quotes The Kconfig lexer supports special characters such as '.' and '/' in the parameter context. In my understanding, the reason is just to support bare file paths in the source statement. I do not see a good reason to complicate Kconfig for the room of ambiguity. The majority of code already surrounds file paths with double quotes, and it makes sense since file paths are constant string literals. Make it treewide consistent now. Signed-off-by: Masahiro Yamada Acked-by: Wolfram Sang Acked-by: Geert Uytterhoeven Acked-by: Ingo Molnar --- arch/arm/Kconfig | 2 +- arch/arm/kvm/Kconfig | 2 +- arch/arm64/Kconfig | 2 +- arch/arm64/kvm/Kconfig | 2 +- arch/ia64/Kconfig | 2 +- arch/m68k/Kconfig | 6 +++--- arch/mips/kvm/Kconfig | 2 +- arch/openrisc/Kconfig | 2 +- arch/powerpc/Kconfig | 4 ++-- arch/powerpc/kvm/Kconfig | 2 +- arch/riscv/Kconfig | 2 +- arch/s390/Kconfig | 2 +- arch/s390/kvm/Kconfig | 2 +- arch/sh/Kconfig | 2 +- arch/sparc/Kconfig | 2 +- arch/x86/Kconfig | 2 +- arch/x86/kvm/Kconfig | 2 +- block/Kconfig | 2 +- crypto/Kconfig | 4 ++-- drivers/crypto/Kconfig | 2 +- drivers/gpu/drm/i915/Kconfig | 2 +- drivers/hwmon/Kconfig | 2 +- drivers/i2c/Kconfig | 6 +++--- drivers/pps/Kconfig | 4 ++-- drivers/ras/Kconfig | 2 +- drivers/thermal/Kconfig | 2 +- drivers/w1/Kconfig | 4 ++-- lib/Kconfig.debug | 4 ++-- security/Kconfig | 16 ++++++++-------- security/integrity/Kconfig | 4 ++-- 30 files changed, 47 insertions(+), 47 deletions(-) diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 91be74d8df65..0a7faf82250e 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -910,7 +910,7 @@ config PLAT_VERSATILE source "arch/arm/firmware/Kconfig" -source arch/arm/mm/Kconfig +source "arch/arm/mm/Kconfig" config IWMMXT bool "Enable iWMMXt support" diff --git a/arch/arm/kvm/Kconfig b/arch/arm/kvm/Kconfig index e2bd35b6780c..3f5320f46de2 100644 --- a/arch/arm/kvm/Kconfig +++ b/arch/arm/kvm/Kconfig @@ -55,6 +55,6 @@ config KVM_ARM_HOST ---help--- Provides host support for ARM processors. -source drivers/vhost/Kconfig +source "drivers/vhost/Kconfig" endif # VIRTUALIZATION diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 787d7850e064..04e525fc5a0f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -782,7 +782,7 @@ config NEED_PER_CPU_EMBED_FIRST_CHUNK config HOLES_IN_ZONE def_bool y -source kernel/Kconfig.hz +source "kernel/Kconfig.hz" config ARCH_SUPPORTS_DEBUG_PAGEALLOC def_bool y diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig index 47b23bf617c7..a3f85624313e 100644 --- a/arch/arm64/kvm/Kconfig +++ b/arch/arm64/kvm/Kconfig @@ -61,6 +61,6 @@ config KVM_ARM_PMU config KVM_INDIRECT_VECTORS def_bool KVM && (HARDEN_BRANCH_PREDICTOR || HARDEN_EL2_VECTORS) -source drivers/vhost/Kconfig +source "drivers/vhost/Kconfig" endif # VIRTUALIZATION diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 36773def6920..0ef105ac40f6 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -261,7 +261,7 @@ config HZ endif if !IA64_HP_SIM -source kernel/Kconfig.hz +source "kernel/Kconfig.hz" endif config IA64_BRL_EMU diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig index 1bc9f1ba759a..6f18c45f7703 100644 --- a/arch/m68k/Kconfig +++ b/arch/m68k/Kconfig @@ -123,11 +123,11 @@ config BOOTINFO_PROC menu "Platform setup" -source arch/m68k/Kconfig.cpu +source "arch/m68k/Kconfig.cpu" -source arch/m68k/Kconfig.machine +source "arch/m68k/Kconfig.machine" -source arch/m68k/Kconfig.bus +source "arch/m68k/Kconfig.bus" endmenu diff --git a/arch/mips/kvm/Kconfig b/arch/mips/kvm/Kconfig index 76b93a9c8c9b..c36930226b7b 100644 --- a/arch/mips/kvm/Kconfig +++ b/arch/mips/kvm/Kconfig @@ -72,6 +72,6 @@ config KVM_MIPS_DEBUG_COP0_COUNTERS If unsure, say N. -source drivers/vhost/Kconfig +source "drivers/vhost/Kconfig" endif # VIRTUALIZATION diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig index 285f7d05c8ed..d765b4a5e05f 100644 --- a/arch/openrisc/Kconfig +++ b/arch/openrisc/Kconfig @@ -139,7 +139,7 @@ config SMP If you don't know what to do here, say N. -source kernel/Kconfig.hz +source "kernel/Kconfig.hz" config OPENRISC_NO_SPR_SR_DSX bool "use SPR_SR_DSX software emulation" if OR1K_1200 diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 8be31261aec8..e1307d66c76b 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -393,7 +393,7 @@ config HIGHMEM bool "High memory support" depends on PPC32 -source kernel/Kconfig.hz +s