selftests/seccomp: s390 shares the syscall and return value register

s390 cannot set syscall number and reture code at the same time,
so set the appropriate flag to indicate it.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c
index c0aa46c..252140a 100644 (file)
--- a/tools/testing/selftests/seccomp/seccomp_bpf.c
+++ b/tools/testing/selftests/seccomp/seccomp_bpf.c
@@ -1615,6 +1615,7 @@ TEST_F(TRACE_poke, getpid_runs_normally)
 # define ARCH_REGS     s390_regs
 # define SYSCALL_NUM   gprs[2]
 # define SYSCALL_RET   gprs[2]
+# define SYSCALL_NUM_RET_SHARE_REG
 #elif defined(__mips__)
 # define ARCH_REGS     struct pt_regs
 # define SYSCALL_NUM   regs[2]