Commit e37b3dd0 authored Jul 28, 2021 by Ilya Leoshkevich Committed by Heiko Carstens Jul 30, 2021

s390: enable KCSAN

s390x GCC and SystemZ Clang have ThreadSanitizer support now [1] [2],
so enable KCSAN for s390.

[1] https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=ea22954e7c58
[2] https://reviews.llvm.org/D105629



Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

parent 09b1b134

arch/s390/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -138,6 +138,7 @@ config S390
		select HAVE_ARCH_JUMP_LABEL_RELATIVE
		select HAVE_ARCH_KASAN
		select HAVE_ARCH_KASAN_VMALLOC
		select HAVE_ARCH_KCSAN
		select HAVE_ARCH_KFENCE
		select HAVE_ARCH_RANDOMIZE_KSTACK_OFFSET
		select HAVE_ARCH_SECCOMP_FILTER

arch/s390/boot/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -7,6 +7,7 @@ KCOV_INSTRUMENT := n
		GCOV_PROFILE := n
		UBSAN_SANITIZE := n
		KASAN_SANITIZE := n
		KCSAN_SANITIZE := n

		KBUILD_AFLAGS := $(KBUILD_AFLAGS_DECOMPRESSOR)
		KBUILD_CFLAGS := $(KBUILD_CFLAGS_DECOMPRESSOR)

arch/s390/boot/compressed/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -9,6 +9,7 @@ KCOV_INSTRUMENT := n
		GCOV_PROFILE := n
		UBSAN_SANITIZE := n
		KASAN_SANITIZE := n
		KCSAN_SANITIZE := n

		obj-y := $(if $(CONFIG_KERNEL_UNCOMPRESSED),,decompressor.o) info.o
		obj-all := $(obj-y) piggy.o syms.o

arch/s390/kernel/vdso32/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -36,6 +36,7 @@ CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
		GCOV_PROFILE := n
		UBSAN_SANITIZE := n
		KASAN_SANITIZE := n
		KCSAN_SANITIZE := n

		# Force dependency (incbin is bad)
		$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so

arch/s390/kernel/vdso64/Makefile

+1 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,7 @@ CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
		GCOV_PROFILE := n
		UBSAN_SANITIZE := n
		KASAN_SANITIZE := n
		KCSAN_SANITIZE := n

		# Force dependency (incbin is bad)
		$(obj)/vdso64_wrapper.o : $(obj)/vdso64.so