Yes, /proc/sysinfo is a method to expose parts of the STSI instruction to 
unpriviledged code.
This is very z-specific.

On 03/26/2018 02:38 PM, Michael MacIsaac wrote:
> Hello list,
>
> Is /proc/sysinfo a zLinux thing only?
>
> I got on a Lintel VMWare virtual machine and was surprised to not see that
> file.  If it's not part of Lintel, how do they query their hipervisor
> hierarchy?
>
> Thanks.
>
> --
>      -Mike MacIsaac
>
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