diff options
| -rw-r--r-- | arch/arm/Kconfig | 3 | ||||
| -rw-r--r-- | arch/arm/boot/compressed/Makefile | 3 | ||||
| -rw-r--r-- | arch/arm/kvm/hyp/Makefile | 8 | ||||
| -rw-r--r-- | arch/arm/vdso/Makefile | 3 |
4 files changed, 16 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 2a78bdef9a24..47eb26dc2427 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -8,9 +8,10 @@ config ARM select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FORTIFY_SOURCE + select ARCH_HAS_KCOV select ARCH_HAS_PTE_SPECIAL if ARM_LPAE - select ARCH_HAS_SET_MEMORY select ARCH_HAS_PHYS_TO_DMA + select ARCH_HAS_SET_MEMORY select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL select ARCH_HAS_STRICT_MODULE_RWX if MMU select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile index a3c5fbcad4ab..1f5a5ffe7fcf 100644 --- a/arch/arm/boot/compressed/Makefile +++ b/arch/arm/boot/compressed/Makefile @@ -25,6 +25,9 @@ endif GCOV_PROFILE := n +# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. +KCOV_INSTRUMENT := n + # # Architecture dependencies # diff --git a/arch/arm/kvm/hyp/Makefile b/arch/arm/kvm/hyp/Makefile index 7fc0638f263a..d2b5ec9c4b92 100644 --- a/arch/arm/kvm/hyp/Makefile +++ b/arch/arm/kvm/hyp/Makefile @@ -23,3 +23,11 @@ obj-$(CONFIG_KVM_ARM_HOST) += hyp-entry.o obj-$(CONFIG_KVM_ARM_HOST) += switch.o CFLAGS_switch.o += $(CFLAGS_ARMV7VE) obj-$(CONFIG_KVM_ARM_HOST) += s2-setup.o + +# KVM code is run at a different exception code with a different map, so +# compiler instrumentation that inserts callbacks or checks into the code may +# cause crashes. Just disable it. +GCOV_PROFILE := n +KASAN_SANITIZE := n +UBSAN_SANITIZE := n +KCOV_INSTRUMENT := n diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile index bb4118213fee..f4efff9d3afb 100644 --- a/arch/arm/vdso/Makefile +++ b/arch/arm/vdso/Makefile @@ -30,6 +30,9 @@ CFLAGS_vgettimeofday.o = -O2 # Disable gcov profiling for VDSO code GCOV_PROFILE := n +# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in. +KCOV_INSTRUMENT := n + # Force dependency $(obj)/vdso.o : $(obj)/vdso.so |