ftrace: enable using mcount recording on x86

Enable the use of the __mcount_loc infrastructure on x86_64 and i386.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index fc8351f..5a34c54 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -25,6 +25,7 @@ config X86
        select HAVE_KPROBES
        select ARCH_WANT_OPTIONAL_GPIOLIB
        select HAVE_KRETPROBES
+       select HAVE_FTRACE_MCOUNT_RECORD
        select HAVE_DYNAMIC_FTRACE
        select HAVE_FTRACE
        select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)