diff mbox series

[kvm-unit-tests,v1,6/9] s390x: smp: add test for EMERGENCY_SIGNAL with invalid CPU address

Message ID 20220321101904.387640-7-nrb@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series s390x: Further extend instruction interception tests | expand

Commit Message

Nico Boehr March 21, 2022, 10:19 a.m. UTC 
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(+)
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Patch

diff --git a/s390x/smp.c b/s390x/smp.c
index f22520b4f4fc..3bd7e7c8f5ed 100644
--- a/s390x/smp.c
+++ b/s390x/smp.c
@@ -580,6 +580,7 @@  static void emcall(void)
 static void test_emcall(void)
 {
 	struct psw psw;
+	int cc;
 	psw.mask = extract_psw_mask();
 	psw.addr = (unsigned long)emcall;
 
@@ -592,6 +593,14 @@  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();
 }