arm64: Improve HAVE_DYNAMIC_FTRACE_WITH_REGS selection for clang

[sfrench/cifs-2.6.git] / arch / arm64 / Kconfig

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 57c4c995965f8291bf3c89303bc8c00dc0276dd4..1fd16faa7f313834eb2677ca41c5e4c4fc9e9eeb 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -175,8 +175,6 @@ config ARM64
        select HAVE_DEBUG_KMEMLEAK
        select HAVE_DMA_CONTIGUOUS
        select HAVE_DYNAMIC_FTRACE
-       select HAVE_DYNAMIC_FTRACE_WITH_REGS \
-               if $(cc-option,-fpatchable-function-entry=2)
        select FTRACE_MCOUNT_USE_PATCHABLE_FUNCTION_ENTRY \
                if DYNAMIC_FTRACE_WITH_REGS
        select HAVE_EFFICIENT_UNALIGNED_ACCESS
@@ -228,6 +226,17 @@ config ARM64
        help
          ARM 64-bit (AArch64) Linux support.
 
+config CLANG_SUPPORTS_DYNAMIC_FTRACE_WITH_REGS
+       def_bool CC_IS_CLANG
+       # https://github.com/ClangBuiltLinux/linux/issues/1507
+       depends on AS_IS_GNU || (AS_IS_LLVM && (LD_IS_LLD || LD_VERSION >= 23600))
+       select HAVE_DYNAMIC_FTRACE_WITH_REGS
+
+config GCC_SUPPORTS_DYNAMIC_FTRACE_WITH_REGS
+       def_bool CC_IS_GCC
+       depends on $(cc-option,-fpatchable-function-entry=2)
+       select HAVE_DYNAMIC_FTRACE_WITH_REGS
+
 config 64BIT
        def_bool y