uprobes/powerpc: Add dependency on single step emulation

Uprobes uses emulate_step in sstep.c, but we haven't explicitly specified
the dependency. On pseries HAVE_HW_BREAKPOINT protects us, but 44x has no
such luxury.

Consolidate other users that depend on sstep and create a new config option.

Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Suzuki K. Poulose <suzuki@in.ibm.com>
Cc: linuxppc-dev@ozlabs.org
Cc: stable@vger.kernel.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 1 insertions, 3 deletions

diff --git a/arch/powerpc/lib/Makefile b/arch/powerpc/lib/Makefile
index fa48a4cc19a3..450433276699 100644
--- a/arch/powerpc/lib/Makefile
+++ b/arch/powerpc/lib/Makefile
@@ -19,9 +19,7 @@ obj-$(CONFIG_PPC64)	+= copypage_64.o copyuser_64.o \
                            checksum_wrappers_64.o hweight_64.o \
                            copyuser_power7.o string_64.o copypage_power7.o \
                            memcpy_power7.o
-obj-$(CONFIG_XMON)      += sstep.o ldstfp.o
-obj-$(CONFIG_KPROBES)   += sstep.o ldstfp.o
-obj-$(CONFIG_HAVE_HW_BREAKPOINT)        += sstep.o ldstfp.o
+obj-$(CONFIG_PPC_EMULATE_SSTEP) += sstep.o ldstfp.o
 
 ifeq ($(CONFIG_PPC64),y)
 obj-$(CONFIG_SMP)       += locks.o