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-rw-r--r--vl.c43
1 files changed, 21 insertions, 22 deletions
diff --git a/vl.c b/vl.c
index 6d2ce45..e71cb30 100644
--- a/vl.c
+++ b/vl.c
@@ -28,6 +28,7 @@
#include <errno.h>
#include <sys/time.h>
#include <zlib.h>
+#include "bitmap.h"
/* Needed early for CONFIG_BSD etc. */
#include "config-host.h"
@@ -241,7 +242,7 @@ QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order
int nb_numa_nodes;
uint64_t node_mem[MAX_NODES];
-uint64_t node_cpumask[MAX_NODES];
+unsigned long *node_cpumask[MAX_NODES];
uint8_t qemu_uuid[16];
@@ -952,6 +953,8 @@ static void numa_add(const char *optarg)
unsigned long long value, endvalue;
int nodenr;
+ value = endvalue = 0ULL;
+
optarg = get_opt_name(option, 128, optarg, ',') + 1;
if (!strcmp(option, "node")) {
if (get_param_value(option, 128, "nodeid", optarg) == 0) {
@@ -971,27 +974,22 @@ static void numa_add(const char *optarg)
}
node_mem[nodenr] = sval;
}
- if (get_param_value(option, 128, "cpus", optarg) == 0) {
- node_cpumask[nodenr] = 0;
- } else {
+ if (get_param_value(option, 128, "cpus", optarg) != 0) {
value = strtoull(option, &endptr, 10);
- if (value >= 64) {
- value = 63;
- fprintf(stderr, "only 64 CPUs in NUMA mode supported.\n");
+ if (*endptr == '-') {
+ endvalue = strtoull(endptr+1, &endptr, 10);
} else {
- if (*endptr == '-') {
- endvalue = strtoull(endptr+1, &endptr, 10);
- if (endvalue >= 63) {
- endvalue = 62;
- fprintf(stderr,
- "only 63 CPUs in NUMA mode supported.\n");
- }
- value = (2ULL << endvalue) - (1ULL << value);
- } else {
- value = 1ULL << value;
- }
+ 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);
}
- node_cpumask[nodenr] = value;
+
+ bitmap_set(node_cpumask[nodenr], value, endvalue-value+1);
}
nb_numa_nodes++;
}
@@ -2331,7 +2329,7 @@ int main(int argc, char **argv, char **envp)
for (i = 0; i < MAX_NODES; i++) {
node_mem[i] = 0;
- node_cpumask[i] = 0;
+ node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS);
}
nb_numa_nodes = 0;
@@ -3468,8 +3466,9 @@ int main(int argc, char **argv, char **envp)
}
for (i = 0; i < nb_numa_nodes; i++) {
- if (node_cpumask[i] != 0)
+ if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) {
break;
+ }
}
/* assigning the VCPUs round-robin is easier to implement, guest OSes
* must cope with this anyway, because there are BIOSes out there in
@@ -3477,7 +3476,7 @@ int main(int argc, char **argv, char **envp)
*/
if (i == nb_numa_nodes) {
for (i = 0; i < max_cpus; i++) {
- node_cpumask[i % nb_numa_nodes] |= 1 << i;
+ set_bit(i, node_cpumask[i % nb_numa_nodes]);
}
}
}