[kvm-unit-tests GIT PULL 18/27] s390x: smp: add test for EMERGENCY_SIGNAL with invalid CPU address

[Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>]

From: Nico Boehr <nrb@xxxxxxxxxxxxx>

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

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

diff --git a/s390x/smp.c b/s390x/smp.c
index 2015f82c..c204d0b9 100644
--- a/s390x/smp.c
+++ b/s390x/smp.c
@@ -338,6 +338,7 @@ static void emcall(void)
 static void test_emcall(void)
 {
 	struct psw psw;
+	int cc;
 	psw.mask = extract_psw_mask();
 	psw.addr = (unsigned long)emcall;
 
@@ -350,6 +351,14 @@ 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();
 }
 
-- 
2.34.1