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authorIlya Leoshkevich <iii@linux.ibm.com>2021-07-28 14:59:04 +0300
committerHeiko Carstens <hca@linux.ibm.com>2021-07-30 18:09:23 +0300
commite37b3dd063a1a68e28a7cfaf77c84c472112e330 (patch)
treec9f816a28c28f228533812d8372a9541d2123b40 /arch/s390
parent09b1b13461e12e6962baf0c5bb9f65bedf284d90 (diff)
downloadlinux-e37b3dd063a1a68e28a7cfaf77c84c472112e330.tar.xz
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>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/Kconfig1
-rw-r--r--arch/s390/boot/Makefile1
-rw-r--r--arch/s390/boot/compressed/Makefile1
-rw-r--r--arch/s390/kernel/vdso32/Makefile1
-rw-r--r--arch/s390/kernel/vdso64/Makefile1
-rw-r--r--arch/s390/purgatory/Makefile1
6 files changed, 6 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index f20467af2ab2..92c0a1b4c528 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -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
diff --git a/arch/s390/boot/Makefile b/arch/s390/boot/Makefile
index 48cec16628e5..ed41a1a17490 100644
--- a/arch/s390/boot/Makefile
+++ b/arch/s390/boot/Makefile
@@ -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)
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index 660c799d875d..616cc541e6ff 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -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 := $(obj-y) piggy.o syms.o
diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
index 3457dcf10396..e3e6ac5686df 100644
--- a/arch/s390/kernel/vdso32/Makefile
+++ b/arch/s390/kernel/vdso32/Makefile
@@ -36,6 +36,7 @@ CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
GCOV_PROFILE := n
UBSAN_SANITIZE := n
KASAN_SANITIZE := n
+KCSAN_SANITIZE := n
# Force dependency (incbin is bad)
$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index 2a2092ce19f1..6568de236701 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -39,6 +39,7 @@ CPPFLAGS_vdso64.lds += -P -C -U$(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
diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile
index 21c4ebe29b9a..360ada80d20c 100644
--- a/arch/s390/purgatory/Makefile
+++ b/arch/s390/purgatory/Makefile
@@ -19,6 +19,7 @@ KCOV_INSTRUMENT := n
GCOV_PROFILE := n
UBSAN_SANITIZE := n
KASAN_SANITIZE := n
+KCSAN_SANITIZE := n
KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes
KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare