static int kvm_get_msr(CPUState *env, struct kvm_msr_entry *msrs, int n) { struct kvm_msrs *kmsrs = qemu_malloc(sizeof *kmsrs + n * sizeof *msrs); int r; kmsrs->nmsrs = n; memcpy(kmsrs->entries, msrs, n * sizeof *msrs); r = kvm_vcpu_ioctl(env, KVM_GET_MSRS, kmsrs); memcpy(msrs, kmsrs->entries, n * sizeof *msrs); free(kmsrs); return r; }