Two minimal tests:
- our own CPU should be running when we check ourselves
- a CPU should at least have some times with a not running
indication. To speed things up we stop CPU1
Also rename smp_cpu_running to smp_sense_running_status.
Signed-off-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
---
lib/s390x/smp.c | 2 +-
lib/s390x/smp.h | 2 +-
s390x/smp.c | 15 +++++++++++++++
3 files changed, 17 insertions(+), 2 deletions(-)
diff --git a/lib/s390x/smp.c b/lib/s390x/smp.c
index 5ed8b7b..492cb05 100644
--- a/lib/s390x/smp.c
+++ b/lib/s390x/smp.c
@@ -58,7 +58,7 @@ bool smp_cpu_stopped(uint16_t addr)
return !!(status & (SIGP_STATUS_CHECK_STOP|SIGP_STATUS_STOPPED));
}
-bool smp_cpu_running(uint16_t addr)
+bool smp_sense_running_status(uint16_t addr)
{
if (sigp(addr, SIGP_SENSE_RUNNING, 0, NULL) != SIGP_CC_STATUS_STORED)
return true;
diff --git a/lib/s390x/smp.h b/lib/s390x/smp.h
index a8b98c0..639ec92 100644
--- a/lib/s390x/smp.h
+++ b/lib/s390x/smp.h
@@ -40,7 +40,7 @@ struct cpu_status {
int smp_query_num_cpus(void);
struct cpu *smp_cpu_from_addr(uint16_t addr);
bool smp_cpu_stopped(uint16_t addr);
-bool smp_cpu_running(uint16_t addr);
+bool smp_sense_running_status(uint16_t addr);
int smp_cpu_restart(uint16_t addr);
int smp_cpu_start(uint16_t addr, struct psw psw);
int smp_cpu_stop(uint16_t addr);
diff --git a/s390x/smp.c b/s390x/smp.c
index 79cdc1f..4450aff 100644
--- a/s390x/smp.c
+++ b/s390x/smp.c
@@ -210,6 +210,20 @@ static void test_emcall(void)
report_prefix_pop();
}
+static void test_sense_running(void)
+{
+ report_prefix_push("sense_running");
+ /* we are running */
+ report(smp_sense_running_status(0), "CPU0 sense claims running");
+ /* make sure CPU is stopped to speed up the not running case */
+ smp_cpu_stop(1);
+ /* Make sure to have at least one time with a not running indication */
+ while(smp_sense_running_status(1));
+ report(true, "CPU1 sense claims not running");
+ report_prefix_pop();
+}
+
+
/* Used to dirty registers of cpu #1 before it is reset */
static void test_func_initial(void)
{
@@ -319,6 +333,7 @@ int main(void)
test_store_status();
test_ecall();
test_emcall();
+ test_sense_running();
test_reset();
test_reset_initial();
smp_cpu_destroy(1);
--
2.25.1
