return list;
}
+static void numa_node_parse_cpus(int nodenr, const char *cpus)
+{
+ char *endptr;
+ unsigned long long value, endvalue;
+
+ /* Empty CPU range strings will be considered valid, they will simply
+ * not set any bit in the CPU bitmap.
+ */
+ if (!*cpus) {
+ return;
+ }
+
+ if (parse_uint(cpus, &value, &endptr, 10) < 0) {
+ goto error;
+ }
+ if (*endptr == '-') {
+ if (parse_uint_full(endptr + 1, &endvalue, 10) < 0) {
+ goto error;
+ }
+ } else if (*endptr == '\0') {
+ endvalue = value;
+ } else {
+ goto error;
+ }
+
+ if (endvalue >= MAX_CPUMASK_BITS) {
+ endvalue = MAX_CPUMASK_BITS - 1;
+ fprintf(stderr,
+ "qemu: NUMA: A max of %d VCPUs are supported\n",
+ MAX_CPUMASK_BITS);
+ }
+
+ if (endvalue < value) {
+ goto error;
+ }
+
+ bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
+ return;
+
+error:
+ fprintf(stderr, "qemu: Invalid NUMA CPU range: %s\n", cpus);
+ exit(1);
+}
+
static void numa_add(const char *optarg)
{
char option[128];
char *endptr;
- unsigned long long value, endvalue;
unsigned long long nodenr;
- value = endvalue = 0ULL;
-
optarg = get_opt_name(option, 128, optarg, ',');
if (*optarg == ',') {
optarg++;
if (get_param_value(option, 128, "nodeid", optarg) == 0) {
nodenr = nb_numa_nodes;
} else {
- nodenr = strtoull(option, NULL, 10);
+ if (parse_uint_full(option, &nodenr, 10) < 0) {
+ fprintf(stderr, "qemu: Invalid NUMA nodeid: %s\n", option);
+ exit(1);
+ }
}
if (nodenr >= MAX_NODES) {
node_mem[nodenr] = sval;
}
if (get_param_value(option, 128, "cpus", optarg) != 0) {
- value = strtoull(option, &endptr, 10);
- if (*endptr == '-') {
- endvalue = strtoull(endptr+1, &endptr, 10);
- } else {
- endvalue = value;
- }
-
- if (!(endvalue < MAX_CPUMASK_BITS)) {
- endvalue = MAX_CPUMASK_BITS - 1;
- fprintf(stderr,
- "A max of %d CPUs are supported in a guest\n",
- MAX_CPUMASK_BITS);
- }
-
- bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
+ numa_node_parse_cpus(nodenr, option);
}
nb_numa_nodes++;
} else {