diff options
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 5b71e0bc2ffa..3f5bf55050e8 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -186,6 +186,10 @@ config ARM64 select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_CONTIGUOUS select HAVE_DYNAMIC_FTRACE + select HAVE_DYNAMIC_FTRACE_WITH_ARGS \ + if $(cc-option,-fpatchable-function-entry=2) + select HAVE_DYNAMIC_FTRACE_WITH_DIRECT_CALLS \ + if DYNAMIC_FTRACE_WITH_ARGS && DYNAMIC_FTRACE_WITH_CALL_OPS select HAVE_DYNAMIC_FTRACE_WITH_CALL_OPS \ if (DYNAMIC_FTRACE_WITH_ARGS && !CFI_CLANG && \ !CC_OPTIMIZE_FOR_SIZE) @@ -363,6 +367,20 @@ config ARCH_PROC_KCORE_TEXT config BROKEN_GAS_INST def_bool !$(as-instr,1:\n.inst 0\n.rept . - 1b\n\nnop\n.endr\n) +config BUILTIN_RETURN_ADDRESS_STRIPS_PAC + bool + # Clang's __builtin_return_adddress() strips the PAC since 12.0.0 + # https://reviews.llvm.org/D75044 + default y if CC_IS_CLANG && (CLANG_VERSION >= 120000) + # GCC's __builtin_return_address() strips the PAC since 11.1.0, + # and this was backported to 10.2.0, 9.4.0, 8.5.0, but not earlier + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94891 + default y if CC_IS_GCC && (GCC_VERSION >= 110100) + default y if CC_IS_GCC && (GCC_VERSION >= 100200) && (GCC_VERSION < 110000) + default y if CC_IS_GCC && (GCC_VERSION >= 90400) && (GCC_VERSION < 100000) + default y if CC_IS_GCC && (GCC_VERSION >= 80500) && (GCC_VERSION < 90000) + default n + config KASAN_SHADOW_OFFSET hex depends on KASAN_GENERIC || KASAN_SW_TAGS |