diff options
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index a7b57dd42c26..5f8a5d84dbbe 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -18,6 +18,9 @@ config KEXEC_CORE select CRASH_CORE bool +config KEXEC_ELF + bool + config HAVE_IMA_KEXEC bool @@ -103,7 +106,7 @@ config STATIC_KEYS_SELFTEST config OPTPROBES def_bool y depends on KPROBES && HAVE_OPTPROBES - select TASKS_RCU if PREEMPT + select TASKS_RCU if PREEMPTION config KPROBES_ON_FTRACE def_bool y @@ -289,6 +292,13 @@ config ARCH_32BIT_OFF_T still support 32-bit off_t. This option is enabled for all such architectures explicitly. +config HAVE_ASM_MODVERSIONS + bool + help + This symbol should be selected by an architecure if it provides + <asm/asm-prototypes.h> to support the module versioning for symbols + exported from assembly code. + config HAVE_REGS_AND_STACK_ACCESS_API bool help @@ -696,6 +706,17 @@ config HAVE_ARCH_COMPAT_MMAP_BASES and vice-versa 32-bit applications to call 64-bit mmap(). Required for applications doing different bitness syscalls. +# This allows to use a set of generic functions to determine mmap base +# address by giving priority to top-down scheme only if the process +# is not in legacy mode (compat task, unlimited stack size or +# sysctl_legacy_va_layout). +# Architecture that selects this option can provide its own version of: +# - STACK_RND_MASK +config ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT + bool + depends on MMU + select ARCH_HAS_ELF_RANDOMIZE + config HAVE_COPY_THREAD_TLS bool help @@ -790,9 +811,6 @@ config COMPAT_32BIT_TIME This is relevant on all 32-bit architectures, and 64-bit architectures as part of compat syscall handling. -config ARCH_NO_COHERENT_DMA_MMAP - bool - config ARCH_NO_PREEMPT bool @@ -925,6 +943,23 @@ config LOCK_EVENT_COUNTS the chance of application behavior change because of timing differences. The counts are reported via debugfs. +# Select if the architecture has support for applying RELR relocations. +config ARCH_HAS_RELR + bool + +config RELR + bool "Use RELR relocation packing" + depends on ARCH_HAS_RELR && TOOLS_SUPPORT_RELR + default y + help + Store the kernel's dynamic relocations in the RELR relocation packing + format. Requires a compatible linker (LLD supports this feature), as + well as compatible NM and OBJCOPY utilities (llvm-nm and llvm-objcopy + are compatible). + +config ARCH_HAS_MEM_ENCRYPT + bool + source "kernel/gcov/Kconfig" source "scripts/gcc-plugins/Kconfig" |