Since I have a sapphire rapids available, I tested the fix:
```
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 45 bits physical, 57 bits virtual
Byte Order: Little Endian
CPU(s): 192
On-line CPU(s) list: 0-191
Vendor ID: GenuineIntel
Model name: Intel(R) Xeon(R) Platinum 8488C
```
And `virsh capabilities` detects the SapphireRapids-noTSX CPU model
```
<capabilities>
<host>
<uuid>78b3870e-a24e-4aa6-9a17-99bda0d68375</uuid>
<cpu>
<arch>x86_64</arch>
<model>SapphireRapids-noTSX</model>
<vendor>Intel</vendor>
<microcode version='721421777'/>
<signature family='6' model='143' stepping='8'/>
<counter name='tsc' frequency='2400000000' scaling='yes'/>
<topology sockets='1' dies='1' cores='48' threads='2'/>
<maxphysaddr mode='emulate' bits='45'/>
...
```
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https://bugs.launchpad.net/bugs/2084102
Title:
Sapphire rapids not recognized by virsh capabilities
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