ARM: Select ARCH_USES_CFI_GENERIC_LLVM_PASS

Prior to clang 22.0.0 [1], ARM did not have an architecture specific
kCFI bundle lowering in the backend, which may cause issues. Select
CONFIG_ARCH_USES_CFI_GENERIC_LLVM_PASS to enable use of __nocfi_generic.

Link: d130f40264 [1]
Link: https://github.com/ClangBuiltLinux/linux/issues/2124
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://patch.msgid.link/20251025-idpf-fix-arm-kcfi-build-error-v1-2-ec57221153ae@kernel.org
Signed-off-by: Kees Cook <kees@kernel.org>
This commit is contained in:
Nathan Chancellor 2025-10-25 21:53:19 +01:00 committed by Kees Cook
parent 39c89ee6e9
commit 1ed9e6b100

View File

@ -44,6 +44,8 @@ config ARM
select ARCH_USE_BUILTIN_BSWAP
select ARCH_USE_CMPXCHG_LOCKREF
select ARCH_USE_MEMTEST
# https://github.com/llvm/llvm-project/commit/d130f402642fba3d065aacb506cb061c899558de
select ARCH_USES_CFI_GENERIC_LLVM_PASS if CLANG_VERSION < 220000
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
select ARCH_WANT_GENERAL_HUGETLB
select ARCH_WANT_IPC_PARSE_VERSION