linux-kernel - [PATCH RFC 3/6] arch/Kconfig: Remove CLANG_VERSION check in HAS_LTO

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Message-Id: <20211129165803.470795-4-nathan@kernel.org>
Date:   Mon, 29 Nov 2021 09:58:00 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Miguel Ojeda <ojeda@...nel.org>,
        Sami Tolvanen <samitolvanen@...gle.com>,
        Tom Stellard <tstellar@...hat.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        Jakub Kicinski <kuba@...nel.org>, cki-project@...hat.com,
        kernelci@...ups.io, llvm@...ts.linux.dev,
        linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>
Subject: [PATCH RFC 3/6] arch/Kconfig: Remove CLANG_VERSION check in HAS_LTO_CLANG

The minimum supported version of LLVM has been raised to 11.0.0, meaning
this check is always true, so it can be dropped.

Signed-off-by: Nathan Chancellor <nathan@...nel.org>
---
 arch/Kconfig | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/Kconfig b/arch/Kconfig
index d3c4ab249e9c..86e071f693ce 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -648,8 +648,7 @@ config ARCH_SUPPORTS_LTO_CLANG_THIN
 
 config HAS_LTO_CLANG
 	def_bool y
-	# Clang >= 11: https://github.com/ClangBuiltLinux/linux/issues/510
-	depends on CC_IS_CLANG && CLANG_VERSION >= 110000 && LD_IS_LLD && AS_IS_LLVM
+	depends on CC_IS_CLANG && LD_IS_LLD && AS_IS_LLVM
 	depends on $(success,$(NM) --help | head -n 1 | grep -qi llvm)
 	depends on $(success,$(AR) --help | head -n 1 | grep -qi llvm)
 	depends on ARCH_SUPPORTS_LTO_CLANG
-- 
2.34.1