@@ -503,6 +503,19 @@ static int get_para_features(kvm_context_t kvm_context)
return features;
}
+static void kvm_trim_features(uint32_t *features, uint32_t supported)
+{
+ int i;
+ uint32_t mask;
+
+ for (i = 0; i < 32; ++i) {
+ mask = 1U << i;
+ if ((*features & mask) && !(supported & mask)) {
+ *features &= ~mask;
+ }
+ }
+}
+
int kvm_arch_qemu_init_env(CPUState *cenv)
{
struct kvm_cpuid_entry2 cpuid_ent[100];
@@ -566,6 +579,16 @@ int kvm_arch_qemu_init_env(CPUState *cenv)
do_cpuid_ent(&cpuid_ent[cpuid_nent++], i, 0, ©);
kvm_setup_cpuid2(kvm_context, cenv->cpu_index, cpuid_nent, cpuid_ent);
+
+ kvm_trim_features(&cenv->cpuid_features,
+ kvm_arch_get_supported_cpuid(cenv, 1, R_EDX));
+ kvm_trim_features(&cenv->cpuid_ext_features,
+ kvm_arch_get_supported_cpuid(cenv, 1, R_ECX));
+ kvm_trim_features(&cenv->cpuid_ext2_features,
+ kvm_arch_get_supported_cpuid(cenv, 0x80000001, R_EDX));
+ kvm_trim_features(&cenv->cpuid_ext3_features,
+ kvm_arch_get_supported_cpuid(cenv, 0x80000001, R_ECX));
+
return 0;
}
@@ -94,20 +94,6 @@ static void add_flagname_to_bitmaps(char *flagname, uint32_t *features,
}
}
-static void kvm_trim_features(uint32_t *features, uint32_t supported,
- const char *names[])
-{
- int i;
- uint32_t mask;
-
- for (i = 0; i < 32; ++i) {
- mask = 1U << i;
- if ((*features & mask) && !(supported & mask)) {
- *features &= ~mask;
- }
- }
-}
-
typedef struct x86_def_t {
const char *name;
uint32_t level;
@@ -1715,20 +1701,5 @@ CPUX86State *cpu_x86_init(const char *cpu_model)
qemu_init_vcpu(env);
- if (kvm_enabled()) {
- kvm_trim_features(&env->cpuid_features,
- kvm_arch_get_supported_cpuid(env, 1, R_EDX),
- feature_name);
- kvm_trim_features(&env->cpuid_ext_features,
- kvm_arch_get_supported_cpuid(env, 1, R_ECX),
- ext_feature_name);
- kvm_trim_features(&env->cpuid_ext2_features,
- kvm_arch_get_supported_cpuid(env, 0x80000001, R_EDX),
- ext2_feature_name);
- kvm_trim_features(&env->cpuid_ext3_features,
- kvm_arch_get_supported_cpuid(env, 0x80000001, R_ECX),
- ext3_feature_name);
- }
-
return env;
}
We also kill the unused name argument. It would introduce an non-necessary depedency on code present at helper.c Signed-off-by: Glauber Costa <glommer@redhat.com> --- qemu-kvm-x86.c | 23 +++++++++++++++++++++++ target-i386/helper.c | 29 ----------------------------- 2 files changed, 23 insertions(+), 29 deletions(-)