Description of problem:
在使用kvm的时候，加载内核模块出错：

modprobe kvm-amd
modprobe: ERROR: could not insert 'kvm_amd': Operation not supported

dmesg | grep kvm返回信息：

[    8.799476] kvm: no hardware support
[    8.817276] kvm: no hardware support

uefi bios中已经将 cpu svm 打开。

出现问题的内核：
3.10.0-1160.90.1.0.1.an7.x86_64
3.10.0-1160.an7.x86_64

cpu信息：

lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                32
On-line CPU(s) list:   0-31
Thread(s) per core:    1
Core(s) per socket:    1
座：                 32
NUMA 节点：         2
厂商 ID：           HygonGenuine
CPU 系列：          24
型号：              1
型号名称：        Hygon C86 5280 16-core Processor
步进：              1
CPU MHz：             1600.000
CPU max MHz:           2500.0000
CPU min MHz:           1600.0000
BogoMIPS：            3199.54
虚拟化：           AMD-V
NUMA 节点0 CPU：    0-7,16-23
NUMA 节点1 CPU：    8-15,24-31
Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm nopl aperfmperf eagerfpu pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 cpb hw_pstate rsb_ctxsw ibpb fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 clzero irperf xsaveerptr arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif overflow_recov succor smca

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