diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index e4824fd04bb7..91da283cd658 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -94,6 +94,7 @@ config PPC
 	select OF_RESERVED_MEM
 	select HAVE_FTRACE_MCOUNT_RECORD
 	select HAVE_DYNAMIC_FTRACE
+	select HAVE_DYNAMIC_FTRACE_WITH_REGS if MPROFILE_KERNEL
 	select HAVE_FUNCTION_TRACER
 	select HAVE_FUNCTION_GRAPH_TRACER
 	select SYSCTL_EXCEPTION_TRACE
@@ -373,6 +374,24 @@ config PPC_TRANSACTIONAL_MEM
        ---help---
          Support user-mode Transactional Memory on POWERPC.
 
+config DISABLE_MPROFILE_KERNEL
+	bool "Disable use of mprofile-kernel for kernel tracing"
+	depends on PPC64 && CPU_LITTLE_ENDIAN
+	default y
+	help
+	  Selecting this options disables use of the mprofile-kernel ABI for
+	  kernel tracing. That will cause options such as live patching
+	  (CONFIG_LIVEPATCH) which depend on CONFIG_DYNAMIC_FTRACE_WITH_REGS to
+	  be disabled also.
+
+	  If you have a toolchain which supports mprofile-kernel, then you can
+	  enable this. Otherwise leave it disabled. If you're not sure, say
+	  "N".
+
+config MPROFILE_KERNEL
+	depends on PPC64 && CPU_LITTLE_ENDIAN
+	def_bool !DISABLE_MPROFILE_KERNEL
+
 config IOMMU_HELPER
 	def_bool PPC64
 
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 96efd8213c1c..f4e49a4153cb 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -133,6 +133,21 @@ else
 CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64
 endif
 
+ifdef CONFIG_MPROFILE_KERNEL
+    ifeq ($(shell $(srctree)/arch/powerpc/scripts/gcc-check-mprofile-kernel.sh $(CC) -I$(srctree)/include -D__KERNEL__),OK)
+        CC_FLAGS_FTRACE := -pg -mprofile-kernel
+        KBUILD_CPPFLAGS += -DCC_USING_MPROFILE_KERNEL
+    else
+        # If the user asked for mprofile-kernel but the toolchain doesn't
+        # support it, emit a warning and deliberately break the build later
+        # with mprofile-kernel-not-supported. We would prefer to make this an
+        # error right here, but then the user would never be able to run
+        # oldconfig to change their configuration.
+        $(warning Compiler does not support mprofile-kernel, set CONFIG_DISABLE_MPROFILE_KERNEL)
+        CC_FLAGS_FTRACE := -mprofile-kernel-not-supported
+    endif
+endif
+
 CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell)
 CFLAGS-$(CONFIG_POWER4_CPU) += $(call cc-option,-mcpu=power4)
 CFLAGS-$(CONFIG_POWER5_CPU) += $(call cc-option,-mcpu=power5)
diff --git a/arch/powerpc/scripts/gcc-check-mprofile-kernel.sh b/arch/powerpc/scripts/gcc-check-mprofile-kernel.sh
new file mode 100755
index 000000000000..c658d8cf760b
--- /dev/null
+++ b/arch/powerpc/scripts/gcc-check-mprofile-kernel.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+
+set -e
+set -o pipefail
+
+# To debug, uncomment the following line
+# set -x
+
+# Test whether the compile option -mprofile-kernel exists and generates
+# profiling code (ie. a call to _mcount()).
+echo "int func() { return 0; }" | \
+    $* -S -x c -O2 -p -mprofile-kernel - -o - 2> /dev/null | \
+    grep -q "_mcount"
+
+# Test whether the notrace attribute correctly suppresses calls to _mcount().
+
+echo -e "#include <linux/compiler.h>\nnotrace int func() { return 0; }" | \
+    $* -S -x c -O2 -p -mprofile-kernel - -o - 2> /dev/null | \
+    grep -q "_mcount" && \
+    exit 1
+
+echo "OK"
+exit 0