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-rw-r--r--vl.c47
1 files changed, 27 insertions, 20 deletions
diff --git a/vl.c b/vl.c
index 45eff56..0736d84 100644
--- a/vl.c
+++ b/vl.c
@@ -154,7 +154,7 @@ CharDriverState *sclp_hds[MAX_SCLP_CONSOLES];
int win2k_install_hack = 0;
int singlestep = 0;
int smp_cpus = 1;
-int max_cpus = 0;
+int max_cpus = 1;
int smp_cores = 1;
int smp_threads = 1;
int acpi_enabled = 1;
@@ -1218,7 +1218,6 @@ static QemuOptsList qemu_smp_opts = {
static void smp_parse(QemuOpts *opts)
{
if (opts) {
-
unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
unsigned cores = qemu_opt_get_number(opts, "cores", 0);
@@ -1246,6 +1245,17 @@ static void smp_parse(QemuOpts *opts)
}
max_cpus = qemu_opt_get_number(opts, "maxcpus", cpus);
+
+ if (max_cpus > MAX_CPUMASK_BITS) {
+ error_report("unsupported number of maxcpus");
+ exit(1);
+ }
+
+ if (max_cpus < cpus) {
+ error_report("maxcpus must be equal to or greater than smp");
+ exit(1);
+ }
+
if (sockets * cores * threads > max_cpus) {
error_report("cpu topology: "
"sockets (%u) * cores (%u) * threads (%u) > "
@@ -1255,25 +1265,11 @@ static void smp_parse(QemuOpts *opts)
}
smp_cpus = cpus;
- smp_cores = cores > 0 ? cores : 1;
- smp_threads = threads > 0 ? threads : 1;
-
- }
-
- if (max_cpus == 0) {
- max_cpus = smp_cpus;
- }
-
- if (max_cpus > MAX_CPUMASK_BITS) {
- error_report("unsupported number of maxcpus");
- exit(1);
- }
- if (max_cpus < smp_cpus) {
- error_report("maxcpus must be equal to or greater than smp");
- exit(1);
+ smp_cores = cores;
+ smp_threads = threads;
}
- if (smp_cpus > 1 || smp_cores > 1 || smp_threads > 1) {
+ if (smp_cpus > 1) {
Error *blocker = NULL;
error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
replay_add_blocker(blocker);
@@ -2968,6 +2964,7 @@ int main(int argc, char **argv, char **envp)
FILE *vmstate_dump_file = NULL;
Error *main_loop_err = NULL;
Error *err = NULL;
+ bool list_data_dirs = false;
qemu_init_cpu_loop();
qemu_mutex_lock_iothread();
@@ -3354,7 +3351,9 @@ int main(int argc, char **argv, char **envp)
add_device_config(DEV_GDB, optarg);
break;
case QEMU_OPTION_L:
- if (data_dir_idx < ARRAY_SIZE(data_dir)) {
+ if (is_help_option(optarg)) {
+ list_data_dirs = true;
+ } else if (data_dir_idx < ARRAY_SIZE(data_dir)) {
data_dir[data_dir_idx++] = optarg;
}
break;
@@ -4086,6 +4085,14 @@ int main(int argc, char **argv, char **envp)
data_dir[data_dir_idx++] = CONFIG_QEMU_DATADIR;
}
+ /* -L help lists the data directories and exits. */
+ if (list_data_dirs) {
+ for (i = 0; i < data_dir_idx; i++) {
+ printf("%s\n", data_dir[i]);
+ }
+ exit(0);
+ }
+
smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */