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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>
wifi-calibration
Suzuki K. Poulose 2013-01-07 00:26:57 +00:00 committed by Benjamin Herrenschmidt
parent 5611fe48c5
commit 5e249d4528
2 changed files with 5 additions and 3 deletions
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4
arch/powerpc/Kconfig
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@ -276,6 +276,10 @@ config PPC_ADV_DEBUG_DAC_RANGE
depends on PPC_ADV_DEBUG_REGS && 44x
default y
config PPC_EMULATE_SSTEP
bool
default y if KPROBES || UPROBES || XMON || HAVE_HW_BREAKPOINT
source "init/Kconfig"
source "kernel/Kconfig.freezer"

4
arch/powerpc/lib/Makefile
View File

@ -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