[kvm-unit-tests PATCH v2 6/9] s390x: smp: add test for EMERGENCY_SIGNAL with invalid CPU address

Nico Boehr
2022-03-23T17:03:41Z

In this case, we expect the order to be rejected.

Signed-off-by: Nico Boehr <nrb@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
---
s390x/smp.c | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/s390x/smp.c b/s390x/smp.c
index 36014e809f2e..6e67bea72b75 100644
--- a/s390x/smp.c
+++ b/s390x/smp.c
@@ -662,6 +662,7 @@ static void emcall(void)
static void test_emcall(void)
{
struct psw psw;
+ int cc;
psw.mask = extract_psw_mask();
psw.addr = (unsigned long)emcall;

@@ -674,6 +675,14 @@ static void test_emcall(void)
smp_sigp(1, SIGP_EMERGENCY_SIGNAL, 0, NULL);
wait_for_flag();
smp_cpu_stop(1);
+
+ report_prefix_push("invalid CPU address");
+
+ cc = sigp(INVALID_CPU_ADDRESS, SIGP_EMERGENCY_SIGNAL, 0, NULL);
+ report(cc == 3, "CC = 3");
+
+ report_prefix_pop();
+
report_prefix_pop();
}

--
2.31.1