Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'kbuild-ms-extensions-6.19' into kbuild-next
Shared branch between Kbuild and other trees for enabling '-fms-extensions' for 6.19
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Nicolas Schier <nsc@kernel.org>
+29
-15
+3
Makefile
+3
Makefile
···
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# perform bounds checking.
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KBUILD_CFLAGS += $(call cc-option, -fstrict-flex-arrays=3)
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1064
+
# Allow including a tagged struct or union anonymously in another struct/union.
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KBUILD_CFLAGS += -fms-extensions
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+
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# disable invalid "can't wrap" optimizations for signed / pointers
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KBUILD_CFLAGS += -fno-strict-overflow
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+2
-1
arch/arm64/kernel/vdso32/Makefile
+2
-1
arch/arm64/kernel/vdso32/Makefile
···
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$(filter -Werror,$(KBUILD_CPPFLAGS)) \
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-Werror-implicit-function-declaration \
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-Wno-format-security \
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-
-std=gnu11
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+
-std=gnu11 -fms-extensions
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VDSO_CFLAGS += -O2
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# Some useful compiler-dependent flags from top-level Makefile
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VDSO_CFLAGS += $(call cc32-option,-Wno-pointer-sign)
···
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VDSO_CFLAGS += $(call cc32-option,-Werror=strict-prototypes)
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VDSO_CFLAGS += -Werror=date-time
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VDSO_CFLAGS += $(call cc32-option,-Werror=incompatible-pointer-types)
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VDSO_CFLAGS += $(if $(CONFIG_CC_IS_CLANG),-Wno-microsoft-anon-tag)
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# Compile as THUMB2 or ARM. Unwinding via frame-pointers in THUMB2 is
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# unreliable.
+1
-1
arch/loongarch/vdso/Makefile
+1
-1
arch/loongarch/vdso/Makefile
···
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cflags-vdso := $(ccflags-vdso) \
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-isystem $(shell $(CC) -print-file-name=include) \
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$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
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-
-std=gnu11 -O2 -g -fno-strict-aliasing -fno-common -fno-builtin \
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+
-std=gnu11 -fms-extensions -O2 -g -fno-strict-aliasing -fno-common -fno-builtin \
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-fno-stack-protector -fno-jump-tables -DDISABLE_BRANCH_PROFILING \
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$(call cc-option, -fno-asynchronous-unwind-tables) \
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$(call cc-option, -fno-stack-protector)
+1
-1
arch/parisc/boot/compressed/Makefile
+1
-1
arch/parisc/boot/compressed/Makefile
···
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ifndef CONFIG_64BIT
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KBUILD_CFLAGS += -mfast-indirect-calls
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endif
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-
KBUILD_CFLAGS += -std=gnu11
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KBUILD_CFLAGS += -std=gnu11 -fms-extensions
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LDFLAGS_vmlinux := -X -e startup --as-needed -T
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$(obj)/vmlinux: $(obj)/vmlinux.lds $(addprefix $(obj)/, $(OBJECTS)) $(LIBGCC) FORCE
+2
-1
arch/powerpc/boot/Makefile
+2
-1
arch/powerpc/boot/Makefile
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BOOTCPPFLAGS += -isystem $(shell $(BOOTCC) -print-file-name=include)
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BOOTCFLAGS := $(BOOTTARGETFLAGS) \
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-
-std=gnu11 \
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+
-std=gnu11 -fms-extensions \
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-Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
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-fno-strict-aliasing -O2 \
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-msoft-float -mno-altivec -mno-vsx \
···
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ifdef CONFIG_CC_IS_CLANG
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BOOTCFLAGS += $(CLANG_FLAGS)
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BOOTCFLAGS += -Wno-microsoft-anon-tag
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BOOTAFLAGS += $(CLANG_FLAGS)
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endif
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+2
-1
arch/s390/Makefile
+2
-1
arch/s390/Makefile
···
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ifndef CONFIG_AS_IS_LLVM
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KBUILD_AFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),$(aflags_dwarf))
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endif
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-
KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -O2 -mpacked-stack -std=gnu11
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+
KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -O2 -mpacked-stack -std=gnu11 -fms-extensions
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KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY
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KBUILD_CFLAGS_DECOMPRESSOR += -D__DECOMPRESSOR
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KBUILD_CFLAGS_DECOMPRESSOR += -Wno-pointer-sign
···
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KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
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KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
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KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_CC_NO_ARRAY_BOUNDS),-Wno-array-bounds)
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+
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_CC_IS_CLANG),-Wno-microsoft-anon-tag)
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UTS_MACHINE := s390x
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STACK_SIZE := $(if $(CONFIG_KASAN),65536,$(if $(CONFIG_KMSAN),65536,16384))
+2
-1
arch/s390/purgatory/Makefile
+2
-1
arch/s390/purgatory/Makefile
···
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$(obj)/mem.o: $(srctree)/arch/s390/lib/mem.S FORCE
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$(call if_changed_rule,as_o_S)
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16
-
KBUILD_CFLAGS := -std=gnu11 -fno-strict-aliasing -Wall -Wstrict-prototypes
16
+
KBUILD_CFLAGS := -std=gnu11 -fms-extensions -fno-strict-aliasing -Wall -Wstrict-prototypes
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KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare
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KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding
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KBUILD_CFLAGS += -Os -m64 -msoft-float -fno-common
···
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KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
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KBUILD_CFLAGS += -D__DISABLE_EXPORTS
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KBUILD_CFLAGS += $(CLANG_FLAGS)
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+
KBUILD_CFLAGS += $(if $(CONFIG_CC_IS_CLANG),-Wno-microsoft-anon-tag)
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KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
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KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS))
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KBUILD_AFLAGS += -D__DISABLE_EXPORTS
+3
-1
arch/x86/Makefile
+3
-1
arch/x86/Makefile
···
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# How to compile the 16-bit code. Note we always compile for -march=i386;
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# that way we can complain to the user if the CPU is insufficient.
51
-
REALMODE_CFLAGS := -std=gnu11 -m16 -g -Os -DDISABLE_BRANCH_PROFILING -D__DISABLE_EXPORTS \
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+
REALMODE_CFLAGS := -std=gnu11 -fms-extensions -m16 -g -Os \
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+
-DDISABLE_BRANCH_PROFILING -D__DISABLE_EXPORTS \
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-Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
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-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
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-mno-mmx -mno-sse $(call cc-option,-fcf-protection=none)
···
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REALMODE_CFLAGS += $(CLANG_FLAGS)
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ifdef CONFIG_CC_IS_CLANG
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REALMODE_CFLAGS += -Wno-gnu
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+
REALMODE_CFLAGS += -Wno-microsoft-anon-tag
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endif
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export REALMODE_CFLAGS
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+5
-2
arch/x86/boot/compressed/Makefile
+5
-2
arch/x86/boot/compressed/Makefile
···
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# avoid errors with '-march=i386', and future flags may depend on the target to
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# be valid.
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KBUILD_CFLAGS := -m$(BITS) -O2 $(CLANG_FLAGS)
28
-
KBUILD_CFLAGS += -std=gnu11
28
+
KBUILD_CFLAGS += -std=gnu11 -fms-extensions
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KBUILD_CFLAGS += -fno-strict-aliasing -fPIE
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KBUILD_CFLAGS += -Wundef
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KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
···
36
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KBUILD_CFLAGS += -ffreestanding -fshort-wchar
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KBUILD_CFLAGS += -fno-stack-protector
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KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
39
-
KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
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+
ifdef CONFIG_CC_IS_CLANG
40
+
KBUILD_CFLAGS += -Wno-gnu
41
+
KBUILD_CFLAGS += -Wno-microsoft-anon-tag
42
+
endif
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KBUILD_CFLAGS += -Wno-pointer-sign
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KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
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KBUILD_CFLAGS += -D__DISABLE_EXPORTS
+2
-2
drivers/firmware/efi/libstub/Makefile
+2
-2
drivers/firmware/efi/libstub/Makefile
···
11
11
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cflags-$(CONFIG_X86_32) := -march=i386
13
13
cflags-$(CONFIG_X86_64) := -mcmodel=small
14
-
cflags-$(CONFIG_X86) += -m$(BITS) -D__KERNEL__ -std=gnu11 \
14
+
cflags-$(CONFIG_X86) += -m$(BITS) -D__KERNEL__ -std=gnu11 -fms-extensions \
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15
-fPIC -fno-strict-aliasing -mno-red-zone \
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-mno-mmx -mno-sse -fshort-wchar \
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17
-Wno-pointer-sign \
18
18
$(call cc-disable-warning, address-of-packed-member) \
19
-
$(call cc-disable-warning, gnu) \
19
+
$(if $(CONFIG_CC_IS_CLANG),-Wno-gnu -Wno-microsoft-anon-tag) \
20
20
-fno-asynchronous-unwind-tables \
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$(CLANG_FLAGS)
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+3
-3
fs/jfs/jfs_incore.h
+3
-3
fs/jfs/jfs_incore.h
···
76
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struct {
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unchar _unused[16]; /* 16: */
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dxd_t _dxd; /* 16: */
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-
/* _inline may overflow into _inline_ea when needed */
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+
/* _inline_sym may overflow into _inline_ea when needed */
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/* _inline_ea may overlay the last part of
81
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* file._xtroot if maxentry = XTROOTINITSLOT
82
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*/
83
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union {
84
84
struct {
85
85
/* 128: inline symlink */
86
-
unchar _inline[128];
86
+
unchar _inline_sym[128];
87
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/* 128: inline extended attr */
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88
unchar _inline_ea[128];
89
89
};
···
101
101
#define i_imap u.file._imap
102
102
#define i_dirtable u.dir._table
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103
#define i_dtroot u.dir._dtroot
104
-
#define i_inline u.link._inline
104
+
#define i_inline u.link._inline_sym
105
105
#define i_inline_ea u.link._inline_ea
106
106
#define i_inline_all u.link._inline_all
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107
+3
-1
scripts/Makefile.extrawarn
+3
-1
scripts/Makefile.extrawarn
···
28
28
KBUILD_CFLAGS-$(CONFIG_CC_NO_ARRAY_BOUNDS) += -Wno-array-bounds
29
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30
30
ifdef CONFIG_CC_IS_CLANG
31
-
# The kernel builds with '-std=gnu11' so use of GNU extensions is acceptable.
31
+
# The kernel builds with '-std=gnu11' and '-fms-extensions' so use of GNU and
32
+
# Microsoft extensions is acceptable.
32
33
KBUILD_CFLAGS += -Wno-gnu
34
+
KBUILD_CFLAGS += -Wno-microsoft-anon-tag
33
35
34
36
# Clang checks for overflow/truncation with '%p', while GCC does not:
35
37
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111219