The patch titled
Subject: Partially revert "ARM: 8905/1: Emit __gnu_mcount_nc when using Clang 10.0.0 or newer"
has been added to the -mm tree. Its filename is
partially-revert-arm-8905-1-emit-__gnu_mcount_nc-when-using-clang-1000-or-newer.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/partially-revert-arm-8905-1-emit-__gnu_mcount_nc-when-using-clang-1000-or-newer.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/partially-revert-arm-8905-1-emit-__gnu_mcount_nc-when-using-clang-1000-or-newer.patch
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------------------------------------------------------
From: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Subject: Partially revert "ARM: 8905/1: Emit __gnu_mcount_nc when using Clang 10.0.0 or newer"
This partially reverts commit b0fe66cf095016e0b238374c10ae366e1f087d11.
The minimum supported version of clang is now clang 10.0.1. We still
want to pass -meabi=gnu.
Link: https://lkml.kernel.org/r/20200902225911.209899-6-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/arm/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/Kconfig~partially-revert-arm-8905-1-emit-__gnu_mcount_nc-when-using-clang-1000-or-newer
+++ a/arch/arm/Kconfig
@@ -83,7 +83,7 @@ config ARM
select HAVE_FAST_GUP if ARM_LPAE
select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL
select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG
- select HAVE_FUNCTION_TRACER if !XIP_KERNEL && (CC_IS_GCC || CLANG_VERSION >= 100000)
+ select HAVE_FUNCTION_TRACER if !XIP_KERNEL
select HAVE_GCC_PLUGINS
select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7)
select HAVE_IDE if PCI || ISA || PCMCIA
_
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
