ddm <hope2h...@163.com> 于2019年8月5日周一 上午11:55写道:
> Hi guys, > > > I have tried via modprobe kvmintel enable_apicv=Y to adjust KVM > parameter, but it doesn't effect, and > cat /sys/module/kvm_intel/parameters/enable_apicv always return "N". > I don't know how to configure KVM or QEMU to support APIC virtualizaion > feature? > > AFAICT APICv is hardware feature, but I still don't know accurately after which CPU support it. You may refer the code about 'enable_apicv' related code in kvm to see how to detect this capability. Thanks, Li Qiang > > My host infos are as follows: > Architecture: x86_64 > CPU op-mode(s): 32-bit, 64-bit > Byte Order: Little Endian > CPU(s): 1 > On-line CPU(s) list: 0 > Thread(s) per core: 1 > Core(s) per socket: 1 > Socket(s): 1 > NUMA node(s): 1 > Vendor ID: GenuineIntel > CPU family: 6 > Model: 142 > Model name: Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz > Stepping: 10 > CPU MHz: 2112.001 > BogoMIPS: 4224.00 > Virtualization: VT-x > Hypervisor vendor: VMware > Virtualization type: full > L1d cache: 32K > L1i cache: 32K > L2 cache: 256K > L3 cache: 8192K > NUMA node0 CPU(s): 0 > Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr > pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb > rdtscp lm constant_tsc arch_perfmon nopl xtopology tsc_reliable nonstop_tsc > cpuid pni pclmulqdq vmx ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe > popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm > 3dnowprefetch cpuid_fault invpcid_single pti ssbd ibrs ibpb stibp > tpr_shadow vnmi ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 > invpcid rtm rdseed adx smap xsaveopt arat flush_l1d arch_capabilities > > > Could you tell me how to configure it? > > > Thanks! > >