linux-kernel - [PATCH v2 10/12] lib/Kconfig.debug: Drop CLANG_VERSION check from DEBUG_INFO_DWARF_TOOLCHAIN

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Message-Id: <20250821-bump-min-llvm-ver-15-v2-10-635f3294e5f0@kernel.org>
Date: Thu, 21 Aug 2025 14:15:47 -0700
From: Nathan Chancellor <nathan@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Arnd Bergmann <arnd@...db.de>, Kees Cook <kees@...nel.org>, 
 Nick Desaulniers <nick.desaulniers+lkml@...il.com>, 
 Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, 
 llvm@...ts.linux.dev, patches@...ts.linux.dev, 
 Nathan Chancellor <nathan@...nel.org>
Subject: [PATCH v2 10/12] lib/Kconfig.debug: Drop CLANG_VERSION check from
 DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT

Now that the minimum supported version of LLVM for building the kernel
has been bumped to 15.0.0, the CLANG_VERSION check for older than 14.0.0
is always false, so remove it.

Reviewed-by: Kees Cook <kees@...nel.org>
Signed-off-by: Nathan Chancellor <nathan@...nel.org>
---
 lib/Kconfig.debug | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index dc0e0c6ed075..6c12852e77c8 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -259,7 +259,7 @@ config DEBUG_INFO_NONE
 config DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT
 	bool "Rely on the toolchain's implicit default DWARF version"
 	select DEBUG_INFO
-	depends on !CC_IS_CLANG || AS_IS_LLVM || CLANG_VERSION < 140000 || (AS_IS_GNU && AS_VERSION >= 23502 && AS_HAS_NON_CONST_ULEB128)
+	depends on !CC_IS_CLANG || AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502 && AS_HAS_NON_CONST_ULEB128)
 	help
 	  The implicit default version of DWARF debug info produced by a
 	  toolchain changes over time.

-- 
2.50.1