The patch titled
Subject: Revert "arm64: vdso: Fix compilation with clang older than 8"
has been added to the -mm tree. Its filename is
revert-arm64-vdso-fix-compilation-with-clang-older-than-8.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/revert-arm64-vdso-fix-compilation-with-clang-older-than-8.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/revert-arm64-vdso-fix-compilation-with-clang-older-than-8.patch
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------------------------------------------------------
From: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Subject: Revert "arm64: vdso: Fix compilation with clang older than 8"
This reverts commit 3acf4be235280f14d838581a750532219d67facc.
The minimum supported version of clang is clang 10.0.1.
Link: https://lkml.kernel.org/r/20200902225911.209899-5-ndesaulniers@xxxxxxxxxx
Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Suggested-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>
Reviewed-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
Cc: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Cc: Fangrui Song <maskray@xxxxxxxxxx>
Cc: Marco Elver <elver@xxxxxxxxxx>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx>
Cc: Sedat Dilek <sedat.dilek@xxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Cc: Masahiro Yamada <masahiroy@xxxxxxxxxx>
Cc: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/arm64/kernel/vdso/Makefile | 7 -------
1 file changed, 7 deletions(-)
--- a/arch/arm64/kernel/vdso/Makefile~revert-arm64-vdso-fix-compilation-with-clang-older-than-8
+++ a/arch/arm64/kernel/vdso/Makefile
@@ -43,13 +43,6 @@ ifneq ($(c-gettimeofday-y),)
CFLAGS_vgettimeofday.o += -include $(c-gettimeofday-y)
endif
-# Clang versions less than 8 do not support -mcmodel=tiny
-ifeq ($(CONFIG_CC_IS_CLANG), y)
- ifeq ($(shell test $(CONFIG_CLANG_VERSION) -lt 80000; echo $$?),0)
- CFLAGS_REMOVE_vgettimeofday.o += -mcmodel=tiny
- endif
-endif
-
# Disable gcov profiling for VDSO code
GCOV_PROFILE := n
_
Patches currently in -mm which might be from ndesaulniers@xxxxxxxxxx are
maintainers-add-llvm-maintainers.patch
lib-stringc-implement-stpcpy.patch
compiler-clang-add-build-check-for-clang-1001.patch
revert-kbuild-disable-clangs-default-use-of-fmerge-all-constants.patch
revert-arm64-bti-require-clang-=-1001-for-in-kernel-bti-support.patch
revert-arm64-vdso-fix-compilation-with-clang-older-than-8.patch
partially-revert-arm-8905-1-emit-__gnu_mcount_nc-when-using-clang-1000-or-newer.patch
compiler-gcc-improve-version-error.patch
