On 12/6/19 10:19 AM, Peter Maydell wrote: >> @@ -549,6 +549,8 @@ bool kvm_arm_get_host_cpu_features(ARMHostCPUFeatures >> *ahcf) >> ARM64_SYS_REG(3, 0, 0, 7, 0)); >> err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr1, >> ARM64_SYS_REG(3, 0, 0, 7, 1)); >> + err |= read_sys_reg64(fdarray[2], &ahcf->isar.id_aa64mmfr2, >> + ARM64_SYS_REG(3, 0, 0, 7, 2)); > > Do current KVM kernels definitely handle the request for this > new register (ie don't return an error)?
Yes, ID_AA64MMFR2 was added to the sys_regs table in the same commit (93390c0a1b20b) as all of the others here. r~
