tests/unit/test-smp-parse: Constify some pointer/struct

Declare structures const when we don't need to modify
them at runtime.

Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Yanan Wang <wangyanan55@huawei.com>
Tested-by: Yanan Wang <wangyanan55@huawei.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211216132015.815493-8-philmd@redhat.com>

tests/unit/test-smp-parse.c

@@ -83,7 +83,7 @@ typedef struct SMPTestData {
  * then test the automatic calculation algorithm of the missing
  * values in the parser.
  */
-static struct SMPTestData data_generic_valid[] = {
+static const struct SMPTestData data_generic_valid[] = {
     {
         /* config: no configuration provided
          * expect: cpus=1,sockets=1,cores=1,threads=1,maxcpus=1 */
@@ -285,7 +285,7 @@ static struct SMPTestData data_generic_valid[] = {
     },
 };
 
-static struct SMPTestData data_generic_invalid[] = {
+static const struct SMPTestData data_generic_invalid[] = {
     {
         /* config: -smp 2,dies=2 */
         .config = SMP_CONFIG_WITH_DIES(T, 2, F, 0, T, 2, F, 0, F, 0, F, 0),
@@ -319,7 +319,7 @@ static struct SMPTestData data_generic_invalid[] = {
     },
 };
 
-static struct SMPTestData data_with_dies_invalid[] = {
+static const struct SMPTestData data_with_dies_invalid[] = {
     {
         /* config: -smp 16,sockets=2,dies=2,cores=4,threads=2,maxcpus=16 */
         .config = SMP_CONFIG_WITH_DIES(T, 16, T, 2, T, 2, T, 4, T, 2, T, 16),
@@ -356,7 +356,7 @@ static char *smp_config_to_string(SMPConfiguration *config)
         config->has_maxcpus ? "true" : "false", config->maxcpus);
 }
 
-static char *cpu_topology_to_string(CpuTopology *topo)
+static char *cpu_topology_to_string(const CpuTopology *topo)
 {
     return g_strdup_printf(
         "(CpuTopology) {\n"
@@ -372,7 +372,7 @@ static char *cpu_topology_to_string(CpuTopology *topo)
 }
 
 static void check_parse(MachineState *ms, SMPConfiguration *config,
-                        CpuTopology *expect_topo, const char *expect_err,
+                        const CpuTopology *expect_topo, const char *expect_err,
                         bool is_valid)
 {
     g_autofree char *config_str = smp_config_to_string(config);
@@ -466,7 +466,7 @@ static void smp_parse_test(MachineState *ms, SMPTestData *data, bool is_valid)
 }
 
 /* The parsed results of the unsupported parameters should be 1 */
-static void unsupported_params_init(MachineClass *mc, SMPTestData *data)
+static void unsupported_params_init(const MachineClass *mc, SMPTestData *data)
 {
     if (!mc->smp_props.dies_supported) {
         data->expect_prefer_sockets.dies = 1;