diff options
| -rw-r--r-- | arch/powerpc/Kconfig | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/Makefile | 12 | ||||
| -rw-r--r-- | arch/powerpc/kernel/trace/Makefile | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso32/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/kernel/vdso64/Makefile | 1 | ||||
| -rw-r--r-- | arch/powerpc/mm/Makefile | 5 | ||||
| -rw-r--r-- | arch/powerpc/xmon/Makefile | 1 |
7 files changed, 22 insertions, 2 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index ad8e22827de0..5b7945a7bd41 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -130,6 +130,7 @@ config PPC select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL + select ARCH_HAS_KCOV select ARCH_HAS_PHYS_TO_DMA select ARCH_HAS_PMEM_API if PPC64 select ARCH_HAS_PTE_SPECIAL diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 8809e287b80d..cddadccf551d 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -143,19 +143,29 @@ endif obj-$(CONFIG_EPAPR_PARAVIRT) += epapr_paravirt.o epapr_hcalls.o obj-$(CONFIG_KVM_GUEST) += kvm.o kvm_emul.o -# Disable GCOV & sanitizers in odd or sensitive code +# Disable GCOV, KCOV & sanitizers in odd or sensitive code GCOV_PROFILE_prom_init.o := n +KCOV_INSTRUMENT_prom_init.o := n UBSAN_SANITIZE_prom_init.o := n GCOV_PROFILE_machine_kexec_64.o := n +KCOV_INSTRUMENT_machine_kexec_64.o := n UBSAN_SANITIZE_machine_kexec_64.o := n GCOV_PROFILE_machine_kexec_32.o := n +KCOV_INSTRUMENT_machine_kexec_32.o := n UBSAN_SANITIZE_machine_kexec_32.o := n GCOV_PROFILE_kprobes.o := n +KCOV_INSTRUMENT_kprobes.o := n UBSAN_SANITIZE_kprobes.o := n GCOV_PROFILE_kprobes-ftrace.o := n +KCOV_INSTRUMENT_kprobes-ftrace.o := n UBSAN_SANITIZE_kprobes-ftrace.o := n UBSAN_SANITIZE_vdso.o := n +# Necessary for booting with kcov enabled on book3e machines +KCOV_INSTRUMENT_cputable.o := n +KCOV_INSTRUMENT_setup_64.o := n +KCOV_INSTRUMENT_paca.o := n + extra-$(CONFIG_PPC_FPU) += fpu.o extra-$(CONFIG_ALTIVEC) += vector.o extra-$(CONFIG_PPC64) += entry_64.o diff --git a/arch/powerpc/kernel/trace/Makefile b/arch/powerpc/kernel/trace/Makefile index b1725ad3e13d..858503775c58 100644 --- a/arch/powerpc/kernel/trace/Makefile +++ b/arch/powerpc/kernel/trace/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_TRACING) += trace_clock.o obj-$(CONFIG_PPC64) += $(obj64-y) obj-$(CONFIG_PPC32) += $(obj32-y) -# Disable GCOV & sanitizers in odd or sensitive code +# Disable GCOV, KCOV & sanitizers in odd or sensitive code GCOV_PROFILE_ftrace.o := n +KCOV_INSTRUMENT_ftrace.o := n UBSAN_SANITIZE_ftrace.o := n diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile index 50112d4473bb..ce199f6e4256 100644 --- a/arch/powerpc/kernel/vdso32/Makefile +++ b/arch/powerpc/kernel/vdso32/Makefile @@ -23,6 +23,7 @@ targets := $(obj-vdso32) vdso32.so vdso32.so.dbg obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32)) GCOV_PROFILE := n +KCOV_INSTRUMENT := n UBSAN_SANITIZE := n ccflags-y := -shared -fno-common -fno-builtin diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile index 69cecb346269..28e7d112aa2f 100644 --- a/arch/powerpc/kernel/vdso64/Makefile +++ b/arch/powerpc/kernel/vdso64/Makefile @@ -9,6 +9,7 @@ targets := $(obj-vdso64) vdso64.so vdso64.so.dbg obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64)) GCOV_PROFILE := n +KCOV_INSTRUMENT := n UBSAN_SANITIZE := n ccflags-y := -shared -fno-common -fno-builtin diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile index ee1efa3b3382..d52ec118e09d 100644 --- a/arch/powerpc/mm/Makefile +++ b/arch/powerpc/mm/Makefile @@ -47,3 +47,8 @@ obj-$(CONFIG_PPC_COPRO_BASE) += copro_fault.o obj-$(CONFIG_SPAPR_TCE_IOMMU) += mmu_context_iommu.o obj-$(CONFIG_PPC_PTDUMP) += ptdump/ obj-$(CONFIG_PPC_MEM_KEYS) += pkeys.o + +# Disable kcov instrumentation on sensitive code +# This is necessary for booting with kcov enabled on book3e machines +KCOV_INSTRUMENT_tlb_nohash.o := n +KCOV_INSTRUMENT_fsl_booke_mmu.o := n diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile index 878f9c1d3615..3050f9323254 100644 --- a/arch/powerpc/xmon/Makefile +++ b/arch/powerpc/xmon/Makefile @@ -5,6 +5,7 @@ subdir-ccflags-y := $(call cc-disable-warning, builtin-requires-header) GCOV_PROFILE := n +KCOV_INSTRUMENT := n UBSAN_SANITIZE := n # Disable ftrace for the entire directory |