To avoid testcase failures we need to enable the pgstes. This can be done with /proc/sys/vm/allocate_pgste or with a linker option that creates an S390_PGSTE program header.
Signed-off-by: Christian Borntraeger borntraeger@de.ibm.com --- tools/testing/selftests/kvm/Makefile | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile index aef5bd1166cf..4aac14c1919f 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -44,7 +44,10 @@ CFLAGS += -O2 -g -std=gnu99 -fno-stack-protector -fno-PIE -I$(LINUX_TOOL_INCLUDE no-pie-option := $(call try-run, echo 'int main() { return 0; }' | \ $(CC) -Werror $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -no-pie -x c - -o "$$TMP", -no-pie)
-LDFLAGS += -pthread $(no-pie-option) +# On s390, build the testcases KVM-enabled +pgste-option := $(call cc-ldoption, -Wl$(comma)--s390-pgste) + +LDFLAGS += -pthread $(no-pie-option) $(pgste-option)
# After inclusion, $(OUTPUT) is defined and # $(TEST_GEN_PROGS) starts with $(OUTPUT)/