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authorLinus Torvalds <torvalds@linux-foundation.org>2020-12-06 10:31:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-06 10:31:39 -0800
commite6585a493921991653be1fd65c3aa3fb90b000ae (patch)
tree9fc8109e80a72d66a9ee392f29694f9bf973a24e /arch/arm
parent12c0ab6658dea4709189c3730d2431c52808428e (diff)
parent7d32358be8acb119dcfe39b6cf67ec6d94bf1fe7 (diff)
downloadlinux-e6585a493921991653be1fd65c3aa3fb90b000ae.tar.bz2
Merge tag 'kbuild-fixes-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada: - Move -Wcast-align to W=3, which tends to be false-positive and there is no tree-wide solution. - Pass -fmacro-prefix-map to KBUILD_CPPFLAGS because it is a preprocessor option and makes sense for .S files as well. - Disable -gdwarf-2 for Clang's integrated assembler to avoid warnings. - Disable --orphan-handling=warn for LLD 10.0.1 to avoid warnings. - Fix undesirable line breaks in *.mod files. * tag 'kbuild-fixes-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: avoid split lines in .mod files kbuild: Disable CONFIG_LD_ORPHAN_WARN for ld.lld 10.0.1 kbuild: Hoist '--orphan-handling' into Kconfig Kbuild: do not emit debug info for assembly with LLVM_IAS=1 kbuild: use -fmacro-prefix-map for .S sources Makefile.extrawarn: move -Wcast-align to W=3
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/Makefile4
-rw-r--r--arch/arm/boot/compressed/Makefile4
3 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index fe2f17eb2b50..002e0cf025f5 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -35,6 +35,7 @@ config ARM
select ARCH_USE_CMPXCHG_LOCKREF
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
select ARCH_WANT_IPC_PARSE_VERSION
+ select ARCH_WANT_LD_ORPHAN_WARN
select BINFMT_FLAT_ARGVP_ENVP_ON_STACK
select BUILDTIME_TABLE_SORT if MMU
select CLONE_BACKWARDS
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 4d76eab2b22d..e15f76ca2887 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -16,10 +16,6 @@ LDFLAGS_vmlinux += --be8
KBUILD_LDFLAGS_MODULE += --be8
endif
-# We never want expected sections to be placed heuristically by the
-# linker. All sections should be explicitly named in the linker script.
-LDFLAGS_vmlinux += $(call ld-option, --orphan-handling=warn)
-
GZFLAGS :=-9
#KBUILD_CFLAGS +=-pipe
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 47f001ca5499..e1567418a2b1 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -129,7 +129,9 @@ LDFLAGS_vmlinux += --no-undefined
# Delete all temporary local symbols
LDFLAGS_vmlinux += -X
# Report orphan sections
-LDFLAGS_vmlinux += $(call ld-option, --orphan-handling=warn)
+ifdef CONFIG_LD_ORPHAN_WARN
+LDFLAGS_vmlinux += --orphan-handling=warn
+endif
# Next argument is a linker script
LDFLAGS_vmlinux += -T