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Merge tag 'kbuild-fixes-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

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Pull Kbuild fixes from Masahiro Yamada:

 - Fix module versioning broken on some architectures

 - Make dummy-tools enable CONFIG_PPC_LONG_DOUBLE_128

 - Remove -Wformat-zero-length, which has no warning instance

 - Fix the order between drivers and libs in modules.order

 - Fix false-positive warnings in clang-analyzer

* tag 'kbuild-fixes-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  scripts/clang-tools: Remove DeprecatedOrUnsafeBufferHandling check
  kbuild: fix the modules order between drivers and libs
  scripts/Makefile.extrawarn: Do not disable clang's -Wformat-zero-length
  kbuild: dummy-tools: pretend we understand __LONG_DOUBLE_128__
  modpost: fix module versioning when a symbol lacks valid CRC
This commit is contained in:
Linus Torvalds
2022-08-20 14:55:38 -07:00
parent 16b3d851c0 4be72c1b9f
commit 15b3f48a43
5 changed files with 5 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Makefile
+2 -4
View File
@@ -1113,13 +1113,11 @@ vmlinux-alldirs := $(sort $(vmlinux-dirs) Documentation \
$(patsubst %/,%,$(filter %/, $(core-) \
$(drivers-) $(libs-))))
subdir-modorder := $(addsuffix modules.order,$(filter %/, \
$(core-y) $(core-m) $(libs-y) $(libs-m) \
$(drivers-y) $(drivers-m)))
build-dirs := $(vmlinux-dirs)
clean-dirs := $(vmlinux-alldirs)
subdir-modorder := $(addsuffix /modules.order, $(build-dirs))
# Externally visible symbols (used by link-vmlinux.sh)
KBUILD_VMLINUX_OBJS := $(head-y) $(patsubst %/,%/built-in.a, $(core-y))
KBUILD_VMLINUX_OBJS += $(addsuffix built-in.a, $(filter %/, $(libs-y)))
scripts/Makefile.extrawarn
-1
View File
@@ -49,7 +49,6 @@ ifdef CONFIG_CC_IS_CLANG
KBUILD_CFLAGS += -Wno-initializer-overrides
KBUILD_CFLAGS += -Wno-format
KBUILD_CFLAGS += -Wno-sign-compare
KBUILD_CFLAGS += -Wno-format-zero-length
KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast)
KBUILD_CFLAGS += -Wno-tautological-constant-out-of-range-compare
KBUILD_CFLAGS += $(call cc-disable-warning, unaligned-access)
scripts/clang-tools/run-clang-tools.py
+1
View File
@@ -51,6 +51,7 @@ def run_analysis(entry):
checks += "linuxkernel-*"
else:
checks += "clang-analyzer-*"
checks += ",-clang-analyzer-security.insecureAPI.DeprecatedOrUnsafeBufferHandling"
p = subprocess.run(["clang-tidy", "-p", args.path, checks, entry["file"]],
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
scripts/dummy-tools/gcc
+1 -1
View File
@@ -59,7 +59,7 @@ fi
if arg_contain -E "$@"; then
# For scripts/cc-version.sh; This emulates GCC 20.0.0
if arg_contain - "$@"; then
sed -n '/^GCC/{s/__GNUC__/20/; s/__GNUC_MINOR__/0/; s/__GNUC_PATCHLEVEL__/0/; p;}'
sed -n '/^GCC/{s/__GNUC__/20/; s/__GNUC_MINOR__/0/; s/__GNUC_PATCHLEVEL__/0/; p;}; s/__LONG_DOUBLE_128__/1/ p'
exit 0
else
echo "no input files" >&2
scripts/mod/modpost.c
+1 -3
View File
@@ -2021,13 +2021,11 @@ static void add_exported_symbols(struct buffer *buf, struct module *mod)
/* record CRCs for exported symbols */
buf_printf(buf, "\n");
list_for_each_entry(sym, &mod->exported_symbols, list) {
if (!sym->crc_valid) {
if (!sym->crc_valid)
warn("EXPORT symbol \"%s\" [%s%s] version generation failed, symbol will not be versioned.\n"
"Is \"%s\" prototyped in <asm/asm-prototypes.h>?\n",
sym->name, mod->name, mod->is_vmlinux ? "" : ".ko",
sym->name);
continue;
}
buf_printf(buf, "SYMBOL_CRC(%s, 0x%08x, \"%s\");\n",
sym->name, sym->crc, sym->is_gpl_only ? "_gpl" : "");