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-rw-r--r--target-i386/cpu.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index f34ba23dad..697848da42 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1307,6 +1307,16 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *name)
return -1;
}
+/* Convert all '_' in a feature string option name to '-', to make feature
+ * name conform to QOM property naming rule, which uses '-' instead of '_'.
+ */
+static inline void feat2prop(char *s)
+{
+ while ((s = strchr(s, '_'))) {
+ *s = '-';
+ }
+}
+
/* Parse "+feature,-feature,feature=foo" CPU feature string
*/
static void cpu_x86_parse_featurestr(X86CPU *cpu, char *features, Error **errp)
@@ -1329,6 +1339,7 @@ static void cpu_x86_parse_featurestr(X86CPU *cpu, char *features, Error **errp)
add_flagname_to_bitmaps(featurestr + 1, minus_features);
} else if ((val = strchr(featurestr, '='))) {
*val = 0; val++;
+ feat2prop(featurestr);
if (!strcmp(featurestr, "family")) {
object_property_parse(OBJECT(cpu), val, featurestr, errp);
} else if (!strcmp(featurestr, "model")) {
@@ -1355,9 +1366,9 @@ static void cpu_x86_parse_featurestr(X86CPU *cpu, char *features, Error **errp)
object_property_parse(OBJECT(cpu), num, featurestr, errp);
} else if (!strcmp(featurestr, "vendor")) {
object_property_parse(OBJECT(cpu), val, featurestr, errp);
- } else if (!strcmp(featurestr, "model_id")) {
- object_property_parse(OBJECT(cpu), val, "model-id", errp);
- } else if (!strcmp(featurestr, "tsc_freq")) {
+ } else if (!strcmp(featurestr, "model-id")) {
+ object_property_parse(OBJECT(cpu), val, featurestr, errp);
+ } else if (!strcmp(featurestr, "tsc-freq")) {
int64_t tsc_freq;
char *err;
char num[32];
@@ -1370,7 +1381,7 @@ static void cpu_x86_parse_featurestr(X86CPU *cpu, char *features, Error **errp)
}
snprintf(num, sizeof(num), "%" PRId64, tsc_freq);
object_property_parse(OBJECT(cpu), num, "tsc-frequency", errp);
- } else if (!strcmp(featurestr, "hv_spinlocks")) {
+ } else if (!strcmp(featurestr, "hv-spinlocks")) {
char *err;
numvalue = strtoul(val, &err, 0);
if (!*val || *err) {