+ revert-arm64-bti-require-clang-=-1001-for-in-kernel-bti-support.patch added to -mm tree

+ revert-arm64-bti-require-clang-=-1001-for-in-kernel-bti-support.patch added to -mm tree

[akpm]

The patch titled
     Subject: Revert "arm64: bti: Require clang >= 10.0.1 for in-kernel BTI support"
has been added to the -mm tree.  Its filename is
     revert-arm64-bti-require-clang-=-1001-for-in-kernel-bti-support.patch

This patch should soon appear at
    https://ozlabs.org/~akpm/mmots/broken-out/revert-arm64-bti-require-clang-%3D-1001-for-in-kernel-bti-support.patch
and later at
    https://ozlabs.org/~akpm/mmotm/broken-out/revert-arm64-bti-require-clang-%3D-1001-for-in-kernel-bti-support.patch

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------------------------------------------------------
From: Nick Desaulniers <ndesaulniers@google.com>
Subject: Revert "arm64: bti: Require clang >= 10.0.1 for in-kernel BTI support"

This reverts commit b9249cba25a5dce5de87e5404503a5e11832c2dd.

The minimum supported version of clang is now 10.0.1.

Link: https://lkml.kernel.org/r/20200902225911.209899-4-ndesaulniers@google.com
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Suggested-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Marco Elver <elver@google.com>
Cc: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Masahiro Yamada <masahiroy@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 arch/arm64/Kconfig |    2 --
 1 file changed, 2 deletions(-)

--- a/arch/arm64/Kconfig~revert-arm64-bti-require-clang-=-1001-for-in-kernel-bti-support
+++ a/arch/arm64/Kconfig
@@ -1630,8 +1630,6 @@ config ARM64_BTI_KERNEL
 	depends on CC_HAS_BRANCH_PROT_PAC_RET_BTI
 	# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94697
 	depends on !CC_IS_GCC || GCC_VERSION >= 100100
-	# https://reviews.llvm.org/rGb8ae3fdfa579dbf366b1bb1cbfdbf8c51db7fa55
-	depends on !CC_IS_CLANG || CLANG_VERSION >= 100001
 	depends on !(CC_IS_CLANG && GCOV_KERNEL)
 	depends on (!FUNCTION_GRAPH_TRACER || DYNAMIC_FTRACE_WITH_REGS)
 	help
_

Patches currently in -mm which might be from ndesaulniers@google.com 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