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- A fix for cross-compiling the compressed stub on arm64 with clang

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Merge tag 'x86_build_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 build fix from Borislav Petkov:
 "A fix for cross-compiling the compressed stub on arm64 with clang"

* tag 'x86_build_for_v5.17_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot/compressed: Move CLANG_FLAGS to beginning of KBUILD_CFLAGS
This commit is contained in:
Linus Torvalds 2022-01-10 10:18:58 -08:00
commit 3c6d405666
1 changed files with 5 additions and 2 deletions
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7
arch/x86/boot/compressed/Makefile
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@ -28,7 +28,11 @@ KCOV_INSTRUMENT := n
targets := vmlinux vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma \
vmlinux.bin.xz vmlinux.bin.lzo vmlinux.bin.lz4 vmlinux.bin.zst
KBUILD_CFLAGS := -m$(BITS) -O2
# CLANG_FLAGS must come before any cc-disable-warning or cc-option calls in
# case of cross compiling, as it has the '--target=' flag, which is needed to
# avoid errors with '-march=i386', and future flags may depend on the target to
# be valid.
KBUILD_CFLAGS := -m$(BITS) -O2 $(CLANG_FLAGS)
KBUILD_CFLAGS += -fno-strict-aliasing -fPIE
KBUILD_CFLAGS += -Wundef
KBUILD_CFLAGS += -DDISABLE_BRANCH_PROFILING
@ -47,7 +51,6 @@ KBUILD_CFLAGS += -D__DISABLE_EXPORTS
# Disable relocation relaxation in case the link is not PIE.
KBUILD_CFLAGS += $(call as-option,-Wa$(comma)-mrelax-relocations=no)
KBUILD_CFLAGS += -include $(srctree)/include/linux/hidden.h
KBUILD_CFLAGS += $(CLANG_FLAGS)
# sev.c indirectly inludes inat-table.h which is generated during
# compilation and stored in $(objtree). Add the directory to the includes so