From: Nathan Chancellor Date: Sun, 17 May 2026 23:05:12 +0000 (-1000) Subject: riscv: Drop tautological condition from TOOLCHAIN_NEEDS_OLD_ISA_SPEC X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=7e279976cf2a233b875cc22108b26476bdf70b51;p=thirdparty%2Fkernel%2Flinux.git riscv: Drop tautological condition from TOOLCHAIN_NEEDS_OLD_ISA_SPEC Now that the minimum supported version of LLVM for building the kernel has been raised to 17.0.1, the Clang dependency part of CONFIG_TOOLCHAIN_NEEDS_OLD_ISA_SPEC is always false, so it can be removed. Adjust the help text to remove mention of Clang < 17, as it is irrelevant for the kernel after the minimum supported bump. Acked-by: Paul Walmsley # arch/riscv Link: https://patch.msgid.link/20260517-bump-minimum-supported-llvm-version-to-17-v2-9-b3b8cda46bdd@kernel.org Signed-off-by: Nathan Chancellor --- diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 7ffbf6032b612..c742c42fd39b5 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -873,19 +873,18 @@ config TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI and Zifencei are supported in binutils from version 2.36 onwards. To make life easier, and avoid forcing toolchains that default to a newer ISA spec to version 2.2, relax the check to binutils >= 2.36. - For clang < 17 or GCC < 11.3.0, for which this is not possible or need - special treatment, this is dealt with in TOOLCHAIN_NEEDS_OLD_ISA_SPEC. + For GCC < 11.3.0, for which this is not possible or need special + treatment, this is dealt with in TOOLCHAIN_NEEDS_OLD_ISA_SPEC. config TOOLCHAIN_NEEDS_OLD_ISA_SPEC def_bool y depends on TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI - # https://github.com/llvm/llvm-project/commit/22e199e6afb1263c943c0c0d4498694e15bf8a16 # https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=d29f5d6ab513c52fd872f532c492e35ae9fd6671 - depends on (CC_IS_CLANG && CLANG_VERSION < 170000) || (CC_IS_GCC && GCC_VERSION < 110300) + depends on CC_IS_GCC && GCC_VERSION < 110300 help - Certain versions of clang and GCC do not support zicsr and zifencei via - -march. This option causes an older ISA spec compatible with these older - versions of clang and GCC to be passed to GAS, which has the same result + Certain versions of GCC do not support zicsr and zifencei via -march. + This option causes an older ISA spec compatible with these older + versions of GCC to be passed to GAS, which has the same result as passing zicsr and zifencei to -march. config FPU