},
};
+/**
+ * x86_cpu_compat_set_features:
+ * @cpu_model: CPU model name to be changed. If NULL, all CPU models are changed
+ * @w: Identifies the feature word to be changed.
+ * @feat_add: Feature bits to be added to feature word
+ * @feat_remove: Feature bits to be removed from feature word
+ *
+ * Change CPU model feature bits for compatibility.
+ *
+ * This function may be used by machine-type compatibility functions
+ * to enable or disable feature bits on specific CPU models.
+ */
+void x86_cpu_compat_set_features(const char *cpu_model, FeatureWord w,
+ uint32_t feat_add, uint32_t feat_remove)
+{
+ x86_def_t *def;
+ int i;
+ for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
+ def = &builtin_x86_defs[i];
+ if (!cpu_model || !strcmp(cpu_model, def->name)) {
+ def->features[w] |= feat_add;
+ def->features[w] &= ~feat_remove;
+ }
+ }
+}
+
#ifdef CONFIG_KVM
static int cpu_x86_fill_model_id(char *str)
{
void disable_kvm_pv_eoi(void);
+void x86_cpu_compat_set_features(const char *cpu_model, FeatureWord w,
+ uint32_t feat_add, uint32_t feat_remove);
+
+
/* Return name of 32-bit register, from a R_* constant */
const char *get_register_name_32(unsigned int reg);