Kbuild fixes for v4.16

- suppress sparse warnings about unknown attributes
 
 - fix typos and stale comments
 
 - fix build error of arch/sh
 
 - fix wrong use of ld-option vs cc-ldoption
 
 - remove redundant GCC_PLUGINS_CFLAGS assignment
 
 - fix another memory leak of Kconfig
 
 - fix line number in error messages of Kconfig
 
 - do not write confusing CONFIG_DEFCONFIG_LIST out to .config
 
 - add xstrdup() to Kconfig to handle memory shortage errors
 
 - show also a Debian package name if ncurses is missing
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Merge tag 'kbuild-fixes-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - suppress sparse warnings about unknown attributes

 - fix typos and stale comments

 - fix build error of arch/sh

 - fix wrong use of ld-option vs cc-ldoption

 - remove redundant GCC_PLUGINS_CFLAGS assignment

 - fix another memory leak of Kconfig

 - fix line number in error messages of Kconfig

 - do not write confusing CONFIG_DEFCONFIG_LIST out to .config

 - add xstrdup() to Kconfig to handle memory shortage errors

 - show also a Debian package name if ncurses is missing

* tag 'kbuild-fixes-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  MAINTAINERS: take over Kconfig maintainership
  kconfig: fix line number in recursive inclusion error message
  Coccinelle: memdup: Fix typo in warning messages
  kconfig: Update ncurses package names for menuconfig
  kbuild/kallsyms: trivial typo fix
  kbuild: test --build-id linker flag by ld-option instead of cc-ldoption
  kbuild: drop superfluous GCC_PLUGINS_CFLAGS assignment
  kconfig: Don't leak choice names during parsing
  sh: fix build error for empty CONFIG_BUILTIN_DTB_SOURCE
  kconfig: set SYMBOL_AUTO to the symbol marked with defconfig_list
  kconfig: add xstrdup() helper
  kbuild: disable sparse warnings about unknown attributes
  Makefile: Fix lying comment re. silentoldconfig
This commit is contained in:
Linus Torvalds 2018-03-03 10:37:01 -08:00
commit 0eb3412a68
15 changed files with 40 additions and 27 deletions

View File

@ -7602,8 +7602,10 @@ F: mm/kasan/
F: scripts/Makefile.kasan
KCONFIG
M: Masahiro Yamada <yamada.masahiro@socionext.com>
T: git git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git kconfig
L: linux-kbuild@vger.kernel.org
S: Orphan
S: Maintained
F: Documentation/kbuild/kconfig-language.txt
F: scripts/kconfig/

View File

@ -388,7 +388,7 @@ PYTHON = python
CHECK = sparse
CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ \
-Wbitwise -Wno-return-void $(CF)
-Wbitwise -Wno-return-void -Wno-unknown-attribute $(CF)
NOSTDINC_FLAGS =
CFLAGS_MODULE =
AFLAGS_MODULE =
@ -584,10 +584,9 @@ ifeq ($(KBUILD_EXTMOD),)
# To avoid any implicit rule to kick in, define an empty command
$(KCONFIG_CONFIG) include/config/auto.conf.cmd: ;
# If .config is newer than include/config/auto.conf, someone tinkered
# with it and forgot to run make oldconfig.
# if auto.conf.cmd is missing then we are probably in a cleaned tree so
# we execute the config step to be sure to catch updated Kconfig files
# The actual configuration files used during the build are stored in
# 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
else
@ -862,8 +861,7 @@ KBUILD_AFLAGS += $(ARCH_AFLAGS) $(KAFLAGS)
KBUILD_CFLAGS += $(ARCH_CFLAGS) $(KCFLAGS)
# Use --build-id when available.
LDFLAGS_BUILD_ID := $(patsubst -Wl$(comma)%,%,\
$(call cc-ldoption, -Wl$(comma)--build-id,))
LDFLAGS_BUILD_ID := $(call ld-option, --build-id)
KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)

View File

@ -1 +1,3 @@
obj-$(CONFIG_USE_BUILTIN_DTB) += $(patsubst "%",%,$(CONFIG_BUILTIN_DTB_SOURCE)).dtb.o
ifneq ($(CONFIG_BUILTIN_DTB_SOURCE),"")
obj-y += $(patsubst "%",%,$(CONFIG_BUILTIN_DTB_SOURCE)).dtb.o
endif

View File

@ -56,10 +56,10 @@ statement S;
p << r.p;
@@
coccilib.org.print_todo(p[0], "WARNING opportunity for kmemdep")
coccilib.org.print_todo(p[0], "WARNING opportunity for kmemdup")
@script:python depends on report@
p << r.p;
@@
coccilib.report.print_report(p[0], "WARNING opportunity for kmemdep")
coccilib.report.print_report(p[0], "WARNING opportunity for kmemdup")

View File

@ -595,7 +595,7 @@ static void optimize_result(void)
* original char code */
if (!best_table_len[i]) {
/* find the token with the breates profit value */
/* find the token with the best profit value */
best = find_best_token();
if (token_profit[best] == 0)
break;

View File

@ -178,7 +178,7 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
case S_HEX:
done:
if (sym_string_valid(sym, p)) {
sym->def[def].val = strdup(p);
sym->def[def].val = xstrdup(p);
sym->flags |= def_flags;
} else {
if (def != S_DEF_AUTO)

View File

@ -101,7 +101,7 @@ static struct message *message__new(const char *msg, char *option,
if (self->files == NULL)
goto out_fail;
self->msg = strdup(msg);
self->msg = xstrdup(msg);
if (self->msg == NULL)
goto out_fail_msg;

View File

@ -115,6 +115,7 @@ int file_write_dep(const char *name);
void *xmalloc(size_t size);
void *xcalloc(size_t nmemb, size_t size);
void *xrealloc(void *p, size_t size);
char *xstrdup(const char *s);
struct gstr {
size_t len;

View File

@ -55,7 +55,8 @@ EOF
echo " *** required header files." 1>&2
echo " *** 'make menuconfig' requires the ncurses libraries." 1>&2
echo " *** " 1>&2
echo " *** Install ncurses (ncurses-devel) and try again." 1>&2
echo " *** Install ncurses (ncurses-devel or libncurses-dev " 1>&2
echo " *** depending on your distribution) and try again." 1>&2
echo " *** " 1>&2
exit 1
fi

View File

@ -212,6 +212,7 @@ void menu_add_option(int token, char *arg)
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_AUTO;
break;
case T_OPT_ENV:
prop_add_env(arg);

View File

@ -183,7 +183,7 @@ static void sym_validate_range(struct symbol *sym)
sprintf(str, "%lld", val2);
else
sprintf(str, "0x%llx", val2);
sym->curr.val = strdup(str);
sym->curr.val = xstrdup(str);
}
static void sym_set_changed(struct symbol *sym)
@ -849,7 +849,7 @@ struct symbol *sym_lookup(const char *name, int flags)
: !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE))))
return symbol;
}
new_name = strdup(name);
new_name = xstrdup(name);
} else {
new_name = NULL;
hash = 0;

View File

@ -154,3 +154,14 @@ void *xrealloc(void *p, size_t size)
fprintf(stderr, "Out of memory.\n");
exit(1);
}
char *xstrdup(const char *s)
{
char *p;
p = strdup(s);
if (p)
return p;
fprintf(stderr, "Out of memory.\n");
exit(1);
}

View File

@ -332,16 +332,12 @@ void zconf_nextfile(const char *name)
"Inclusion path:\n current file : '%s'\n",
zconf_curname(), zconf_lineno(),
zconf_curname());
iter = current_file->parent;
while (iter && \
strcmp(iter->name,current_file->name)) {
iter = current_file;
do {
iter = iter->parent;
fprintf(stderr, " included from: '%s:%d'\n",
iter->name, iter->lineno - 1);
iter = iter->parent;
}
if (iter)
fprintf(stderr, " included from: '%s:%d'\n",
iter->name, iter->lineno+1);
} while (strcmp(iter->name, current_file->name));
exit(1);
}
}

View File

@ -127,7 +127,7 @@ no_mainmenu_stmt: /* empty */
* later regardless of whether it comes from the 'prompt' in
* mainmenu_stmt or here
*/
menu_add_prompt(P_MENU, strdup("Linux Kernel Configuration"), NULL);
menu_add_prompt(P_MENU, xstrdup("Linux Kernel Configuration"), NULL);
};
@ -276,6 +276,7 @@ choice: T_CHOICE word_opt T_EOL
sym->flags |= SYMBOL_AUTO;
menu_add_entry(sym);
menu_add_expr(P_CHOICE, NULL, NULL);
free($2);
printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
};

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@ -246,7 +246,7 @@ else
fi;
# final build of init/
${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init GCC_PLUGINS_CFLAGS="${GCC_PLUGINS_CFLAGS}"
${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init
archive_builtin