Re: [PATCH RESEND 0/4] Add extra information to versioned CPU models

[Tao Xu <tao3.xu@intel.com>]

On 12/5/2019 4:55 PM, Xiaoyao Li wrote:
> On 12/2/2019 2:32 PM, Tao Xu wrote:
>> This series of patches will remove MPX from Denverton, remove Remove
>> monitor from some CPU models. Add additional information for -cpu help
>> to indicate the changes in this version of CPU model.
>>
>> The output is as follows:
>> x86_64-softmmu/qemu-system-x86_64 -cpu help | grep "\["
>> x86 Broadwell-v2          Intel Core Processor (Broadwell) [no TSX]
>> x86 Broadwell-v3          Intel Core Processor (Broadwell) [IBRS]
>> x86 Broadwell-v4          Intel Core Processor (Broadwell) [no TSX, IBRS]
> 
> Above the changes of each Broadwell-v{2,3,4} are based on Broadwell-v1.
> 
>> x86 Cascadelake-Server-v2  Intel Xeon Processor (Cascadelake) [ARCH_CAPABILITIES]
>> x86 Cascadelake-Server-v3  Intel Xeon Processor (Cascadelake) [no TSX]
> 
> But in the code, Cascadelake-Server-v3 inherits all the features in
> Cascadelake-Server-v2 and removes TSX related hle & rtm.
> 
> So if we keep the same rule based on v1, it should be
> 
>    x86 Cascadelake-Server-v3  Intel Xeon Processor (Cascadelake)
> [ARCH_CAPABILITIES, no TSX]

Thank you for your suggestion. I will correct this.