diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/Kconfig | 11 | ||||
| -rw-r--r-- | arch/arm64/Kconfig | 6 | ||||
| -rw-r--r-- | arch/mips/Kconfig | 2 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/inst.h | 4 | ||||
| -rw-r--r-- | arch/riscv/Kconfig | 21 | ||||
| -rw-r--r-- | arch/riscv/Makefile | 9 | ||||
| -rw-r--r-- | arch/s390/kernel/vmlinux.lds.S | 10 |
8 files changed, 20 insertions, 44 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 5440616f0774..ebe08b9186ad 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -1523,7 +1523,6 @@ config RANDOMIZE_KSTACK_OFFSET bool "Support for randomizing kernel stack offset on syscall entry" if EXPERT default y depends on HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET - depends on INIT_STACK_NONE || !CC_IS_CLANG || CLANG_VERSION >= 140000 help The kernel stack offset can be randomized (after pt_regs) by roughly 5 bits of entropy, frustrating memory corruption diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index f84aa52731a4..2a124c92e4f6 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -166,15 +166,12 @@ config ARM <http://www.arm.linux.org.uk/>. config ARM_HAS_GROUP_RELOCS - def_bool y - depends on !LD_IS_LLD || LLD_VERSION >= 140000 - depends on !COMPILE_TEST + def_bool !COMPILE_TEST help Whether or not to use R_ARM_ALU_PC_Gn or R_ARM_LDR_PC_Gn group - relocations, which have been around for a long time, but were not - supported in LLD until version 14. The combined range is -/+ 256 MiB, - which is usually sufficient, but not for allyesconfig, so we disable - this feature when doing compile testing. + relocations. The combined range is -/+ 256 MiB, which is usually + sufficient, but not for allyesconfig, so we disable this feature + when doing compile testing. config ARM_DMA_USE_IOMMU bool diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index b3e13f67d598..ab4160d33340 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1495,8 +1495,7 @@ choice config CPU_BIG_ENDIAN bool "Build big-endian kernel" - # https://github.com/llvm/llvm-project/commit/1379b150991f70a5782e9a143c2ba5308da1161c - depends on (AS_IS_GNU || AS_VERSION >= 150000) && BROKEN + depends on BROKEN help Say Y if you plan on running a kernel with a big-endian userspace. @@ -2327,8 +2326,7 @@ config STACKPROTECTOR_PER_TASK config UNWIND_PATCH_PAC_INTO_SCS bool "Enable shadow call stack dynamically using code patching" - # needs Clang with https://github.com/llvm/llvm-project/commit/de07cde67b5d205d58690be012106022aea6d2b3 incorporated - depends on CC_IS_CLANG && CLANG_VERSION >= 150000 + depends on CC_IS_CLANG depends on ARM64_PTR_AUTH_KERNEL && CC_HAS_BRANCH_PROT_PAC_RET depends on SHADOW_CALL_STACK select UNWIND_TABLES diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 608e01ed6cff..32d2d701c684 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -6,7 +6,7 @@ config MIPS select ARCH_BINFMT_ELF_STATE if MIPS_FP_SUPPORT select ARCH_HAS_CPU_CACHE_ALIASING select ARCH_HAS_CPU_FINALIZE_INIT - select ARCH_HAS_CURRENT_STACK_POINTER if !CC_IS_CLANG || CLANG_VERSION >= 140000 + select ARCH_HAS_CURRENT_STACK_POINTER select ARCH_HAS_DEBUG_VIRTUAL if !64BIT select ARCH_HAS_DMA_OPS if MACH_JAZZ select ARCH_HAS_FORTIFY_SOURCE diff --git a/arch/powerpc/include/asm/inst.h b/arch/powerpc/include/asm/inst.h index 684d3f453282..ffa82167c860 100644 --- a/arch/powerpc/include/asm/inst.h +++ b/arch/powerpc/include/asm/inst.h @@ -143,10 +143,6 @@ static inline int __copy_inst_from_kernel_nofault(ppc_inst_t *inst, u32 *src) { unsigned int val, suffix; -/* See https://github.com/ClangBuiltLinux/linux/issues/1521 */ -#if defined(CONFIG_CC_IS_CLANG) && CONFIG_CLANG_VERSION < 140000 - val = suffix = 0; -#endif __get_kernel_nofault(&val, src, u32, Efault); if (IS_ENABLED(CONFIG_PPC64) && get_op(val) == OP_PREFIX) { __get_kernel_nofault(&suffix, src + 1, u32, Efault); diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 2181dde50d6e..6eb9db8017b8 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -66,9 +66,8 @@ config RISCV select ARCH_SUPPORTS_DEBUG_PAGEALLOC if MMU select ARCH_SUPPORTS_HUGE_PFNMAP if TRANSPARENT_HUGEPAGE select ARCH_SUPPORTS_HUGETLBFS if MMU - # LLD >= 14: https://github.com/llvm/llvm-project/issues/50505 - select ARCH_SUPPORTS_LTO_CLANG if LLD_VERSION >= 140000 && CMODEL_MEDANY - select ARCH_SUPPORTS_LTO_CLANG_THIN if LLD_VERSION >= 140000 + select ARCH_SUPPORTS_LTO_CLANG if CMODEL_MEDANY + select ARCH_SUPPORTS_LTO_CLANG_THIN select ARCH_SUPPORTS_MSEAL_SYSTEM_MAPPINGS if 64BIT && MMU select ARCH_SUPPORTS_PAGE_TABLE_CHECK if MMU select ARCH_SUPPORTS_PER_VMA_LOCK if MMU @@ -249,15 +248,9 @@ config HAVE_SHADOW_CALL_STACK # https://github.com/riscv-non-isa/riscv-elf-psabi-doc/commit/a484e843e6eeb51f0cb7b8819e50da6d2444d769 depends on $(ld-option,--no-relax-gp) -config RISCV_USE_LINKER_RELAXATION - def_bool y - # https://github.com/llvm/llvm-project/commit/6611d58f5bbcbec77262d392e2923e1d680f6985 - depends on !LD_IS_LLD || LLD_VERSION >= 150000 - # https://github.com/llvm/llvm-project/commit/bbc0f99f3bc96f1db16f649fc21dd18e5b0918f6 config ARCH_HAS_BROKEN_DWARF5 def_bool y - depends on RISCV_USE_LINKER_RELAXATION # https://github.com/llvm/llvm-project/commit/1df5ea29b43690b6622db2cad7b745607ca4de6a depends on AS_IS_LLVM && AS_VERSION < 180000 # https://github.com/llvm/llvm-project/commit/7ffabb61a5569444b5ac9322e22e5471cc5e4a77 @@ -621,7 +614,7 @@ config TOOLCHAIN_HAS_V default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64imv) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32imv) - depends on LLD_VERSION >= 140000 || LD_VERSION >= 23800 + depends on LD_IS_LLD || LD_VERSION >= 23800 depends on AS_HAS_OPTION_ARCH config RISCV_ISA_V @@ -721,7 +714,7 @@ config TOOLCHAIN_HAS_ZBB default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbb) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbb) - depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900 + depends on LD_IS_LLD || LD_VERSION >= 23900 depends on AS_HAS_OPTION_ARCH # This symbol indicates that the toolchain supports all v1.0 vector crypto @@ -736,7 +729,7 @@ config TOOLCHAIN_HAS_ZBA default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zba) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zba) - depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900 + depends on LD_IS_LLD || LD_VERSION >= 23900 depends on AS_HAS_OPTION_ARCH config RISCV_ISA_ZBA @@ -771,7 +764,7 @@ config TOOLCHAIN_HAS_ZBC default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbc) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbc) - depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900 + depends on LD_IS_LLD || LD_VERSION >= 23900 depends on AS_HAS_OPTION_ARCH config RISCV_ISA_ZBC @@ -794,7 +787,7 @@ config TOOLCHAIN_HAS_ZBKB default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbkb) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbkb) - depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900 + depends on LD_IS_LLD || LD_VERSION >= 23900 depends on AS_HAS_OPTION_ARCH config RISCV_ISA_ZBKB diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index df57654a615e..ecf2fcce2d92 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -46,17 +46,10 @@ else KBUILD_LDFLAGS += -melf32lriscv endif -ifndef CONFIG_RISCV_USE_LINKER_RELAXATION - KBUILD_CFLAGS += -mno-relax - KBUILD_AFLAGS += -mno-relax -ifndef CONFIG_AS_IS_LLVM - KBUILD_CFLAGS += -Wa,-mno-relax - KBUILD_AFLAGS += -Wa,-mno-relax -endif # LLVM has an issue with target-features and LTO: https://github.com/llvm/llvm-project/issues/59350 # Ensure it is aware of linker relaxation with LTO, otherwise relocations may # be incorrect: https://github.com/llvm/llvm-project/issues/65090 -else ifeq ($(CONFIG_LTO_CLANG),y) +ifeq ($(CONFIG_LTO_CLANG),y) KBUILD_LDFLAGS += -mllvm -mattr=+c -mllvm -mattr=+relax endif diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 1c606dfa595d..feecf1a6ddb4 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -209,6 +209,11 @@ SECTIONS . = ALIGN(PAGE_SIZE); _end = . ; + /* Debugging sections. */ + STABS_DEBUG + DWARF_DEBUG + ELF_DETAILS + /* * uncompressed image info used by the decompressor * it should match struct vmlinux_info @@ -239,11 +244,6 @@ SECTIONS #endif } :NONE - /* Debugging sections. */ - STABS_DEBUG - DWARF_DEBUG - ELF_DETAILS - /* * Make sure that the .got.plt is either completely empty or it * contains only the three reserved double words. |