diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index 62d034adbd43..a5e9912e2d37 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -105,6 +105,7 @@ config ARCH_NO_VIRT_TO_BUS config PPC bool default y + select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE select HAVE_IDE select HAVE_KPROBES diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index a480df6e6012..fca9246470b1 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -11,6 +11,7 @@ config SPARC config SPARC64 bool default y + select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE select HAVE_IDE select HAVE_LMB diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index c742dfeb0dbe..fc86c54e791e 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -23,6 +23,7 @@ config X86 select HAVE_OPROFILE select HAVE_KPROBES select HAVE_KRETPROBES + select HAVE_DYNAMIC_FTRACE select HAVE_FTRACE select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64) select HAVE_ARCH_KGDB if !X86_VOYAGER diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index f3005717bcd0..5c2295b29f2c 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -4,6 +4,9 @@ config HAVE_FTRACE bool +config HAVE_DYNAMIC_FTRACE + bool + config TRACER_MAX_TRACE bool @@ -94,6 +97,7 @@ config CONTEXT_SWITCH_TRACER config DYNAMIC_FTRACE bool "enable/disable ftrace tracepoints dynamically" depends on FTRACE + depends on HAVE_DYNAMIC_FTRACE default y help This option will modify all the calls to ftrace dynamically