Signed-off-by: Igor Mammedov <[email protected]>
---
target-i386/cpu.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 440e724..777b8ce 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -963,6 +963,32 @@ static void x86_cpuid_set_tsc_freq(Object *obj, Visitor
*v, void *opaque,
cpu->env.tsc_khz = value / 1000;
}
+#if !defined(CONFIG_USER_ONLY)
+static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ int64_t value = hyperv_get_spinlock_retries();
+
+ visit_type_int(v, &value, name, errp);
+}
+
+static void x86_set_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ int64_t value;
+
+ visit_type_int(v, &value, name, errp);
+ if (error_is_set(errp)) {
+ return;
+ }
+ if (!value) {
+ error_set(errp, QERR_PROPERTY_VALUE_BAD, "", name, "0");
+ return;
+ }
+ hyperv_set_spinlock_retries(value);
+}
+#endif
+
static void cpudef_2_x86_cpu(X86CPU *cpu, x86_def_t *def, Error **errp)
{
CPUX86State *env = &cpu->env;
@@ -1919,6 +1945,11 @@ static void x86_cpu_initfn(Object *obj)
object_property_add(obj, "tsc-frequency", "int",
x86_cpuid_get_tsc_freq,
x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
+#if !defined(CONFIG_USER_ONLY)
+ object_property_add(obj, "hv_spinlocks", "int",
+ x86_get_hv_spinlocks,
+ x86_set_hv_spinlocks, NULL, NULL, NULL);
+#endif
x86_register_cpuid_properties(obj, feature_name);
x86_register_cpuid_properties(obj, ext_feature_name);
x86_register_cpuid_properties(obj, ext2_feature_name);
--
1.7.11.2
