diff options
-rw-r--r-- | target-i386/kvm.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/target-i386/kvm.c b/target-i386/kvm.c index 7b092ee385..ff92b1d118 100644 --- a/target-i386/kvm.c +++ b/target-i386/kvm.c @@ -106,6 +106,8 @@ static int has_xsave; static int has_xcrs; static int has_pit_state2; +static struct kvm_cpuid2 *cpuid_cache; + int kvm_has_pit_state2(void) { return has_pit_state2; @@ -199,9 +201,14 @@ static struct kvm_cpuid2 *get_supported_cpuid(KVMState *s) { struct kvm_cpuid2 *cpuid; int max = 1; + + if (cpuid_cache != NULL) { + return cpuid_cache; + } while ((cpuid = try_get_cpuid(s, max)) == NULL) { max *= 2; } + cpuid_cache = cpuid; return cpuid; } @@ -319,8 +326,6 @@ uint32_t kvm_arch_get_supported_cpuid(KVMState *s, uint32_t function, ret |= cpuid_1_edx & CPUID_EXT2_AMD_ALIASES; } - g_free(cpuid); - /* fallback for older kernels */ if ((function == KVM_CPUID_FEATURES) && !found) { ret = get_para_features(s); |